Winter Storm Warning
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
516 AM MDT Thu Apr 16 2026
MTZ330-170230-
/O.CON.KTFX.WS.W.0005.000000T0000Z-260417T0600Z/
Gallatin and Madison County Mountains and Centennial Mountains-
Including the following locations: Raynolds Pass, West
Yellowstone, Targhee Pass, and Big Sky
516 AM MDT Thu Apr 16 2026
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...
* WHAT...Heavy snow. Storm total snow accumulations between 6 and 16
inches.
* WHERE...Gallatin and Madison County Mountains and Centennial
Mountains.
* WHEN...Until midnight MDT tonight.
* IMPACTS...Travel could be very difficult and tire chains may be
required for some vehicles. Falling and or blowing snow may
significantly reduce visibility. Those in the backcountry should
ensure they are prepared for dangerous conditions. Isolated power
outages and or tree damage possible.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions can
be obtained by calling 5 1 1 or visiting the MDT Road Report website.
To see a graphical representation of the degree of stress on young
livestock please visit our webpage and select Local Programs then
Cold Air Advisory for Newborn Livestock.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
503 AM MDT Thu Apr 16 2026
MTZ067-068-171115-
/O.CON.KBYZ.WS.W.0007.000000T0000Z-260417T1200Z/
Absaroka/Beartooth Mountains-Crazy Mountains-
Including the locations of Cooke City
503 AM MDT Thu Apr 16 2026
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY...
* WHAT...Heavy snow and blowing snow. Total snow accumulations of 1
to 2 feet. Winds gusting as high as 45 mph.
* WHERE...Absaroka/Beartooth Mountains and Crazy Mountains.
* WHEN...Until 6 AM MDT Friday.
* IMPACTS...Recreation in the high country will be impacted by heavy
accumulating snow. Widespread blowing snow could significantly
reduce visibility. Avalanche danger may increase.
* ADDITIONAL DETAILS...Highest snow totals expected over 8,000 feet.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Recreation in the backcountry will be hazardous due to falling and
blowing snow. Be alert for the possibility of increased avalanche
conditions.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
237 AM MDT Thu Apr 16 2026
WYZ001-002-012-170015-
/O.CON.KRIW.WS.W.0004.000000T0000Z-260417T1200Z/
Yellowstone National Park-Absaroka Mountains-Teton and Gros
Ventre Mountains-
Including the cities of Lake, Mammoth, and Old Faithful
237 AM MDT Thu Apr 16 2026
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY...
* WHAT...Heavy snow expected. Total snow accumulations between 9 and
18 inches, with the highest elevations could see up to 20 inches.
Winds gusting between 30 and 50 mph.
* WHERE...Absaroka Mountains, Teton and Gros Ventre Mountains, and
Yellowstone National Park.
* WHEN...Until 6 AM MDT Friday.
* IMPACTS...Travel could be very difficult, especially across Teton
Pass and Togwotee Pass. Strong winds will cause limited visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .
&&
$$
Freeze Warning
URGENT - WEATHER MESSAGE
National Weather Service Boise ID
220 AM MDT Thu Apr 16 2026
IDZ012-ORZ064-162115-
/O.CAN.KBOI.FZ.W.0001.260416T1000Z-260416T1600Z/
/O.CON.KBOI.FZ.W.0002.260417T0600Z-260417T1600Z/
Lower Treasure Valley-Oregon Lower Treasure Valley-
Including the cities of Nyssa, Caldwell, Nampa, and Ontario
220 AM MDT Thu Apr 16 2026 /120 AM PDT Thu Apr 16 2026/
...FREEZE WARNING IS CANCELLED FOR TODAY...
...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT MDT /11 PM PDT/
TONIGHT TO 10 AM MDT /9 AM PDT/ FRIDAY...
* WHAT...Sub-freezing temperatures as low as 28 expected.
* WHERE...Lower Treasure Valley Zones.
* WHEN...From midnight MDT /11 PM PDT/ tonight to 10 AM MDT /9 AM
PDT/ Friday.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
1247 AM MDT Thu Apr 16 2026
IDZ051>055-161600-
/O.CON.KPIH.FZ.W.0001.260416T0900Z-260416T1600Z/
/O.CON.KPIH.FZ.W.0002.260417T0900Z-260417T1600Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain-
Lower Snake River Plain-Eastern Magic Valley-
Including the cities of St. Anthony, Mud Lake, American Falls,
Craters of the Moon NM, Idaho Falls, Oakley, INL, Fort Hall,
Burley, Blackfoot, Pocatello, Richfield, Rexburg, Carey, Rupert,
Shoshone, Shelley, and Heyburn
1247 AM MDT Thu Apr 16 2026
...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM MDT THIS MORNING...
...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 10 AM MDT FRIDAY...
* WHAT...For the first Freeze Warning, sub-freezing temperatures 26
to 30 degrees. A Hard Freeze is possible. For the second Freeze
Warning, sub-freezing temperatures 18 to 22 degrees. A Hard Freeze
is expected.
* WHERE...Eastern Magic Valley, Shoshone/Lava Beds, Arco/Mud Lake
Desert, Lower Snake River Plain, and Upper Snake River Plain.
* WHEN...For the first Freeze Warning, until 10 AM MDT this morning.
For the second Freeze Warning, from 3 AM to 10 AM MDT Friday.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
Visit weather.gov/pocatello for more information.
McKaughan
Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Rapid City SD
359 AM MDT Thu Apr 16 2026
...CRITICAL FIRE WEATHER CONDITIONS POSSIBLE THURSDAY ACROSS
PORTIONS OF NORTHEASTERN WYOMING AND SOUTHWESTERN INTO SOUTH
CENTRAL SOUTH DAKOTA...
.Very warm (70s and 80s) and dry (humidities as low as 13
percent) conditions today. Southwest winds will increase through
the day with gusts to 40 mph. The combination of warm, dry, and
windy conditions ahead of a cold front will result in critical
fire weather conditions this afternoon and evening.
SDZ321-322-325-326-332>335-WYZ317-170100-
/O.CON.KUNR.FW.W.0016.260416T1800Z-260417T0100Z/
Southern Black Hills-Fall River County Area-Custer County Plains-
Pine Ridge Area-Badlands Area-Bennett County Area-
Mellette and Todd Counties-Tripp County-Weston County Plains-
359 AM MDT Thu Apr 16 2026 /459 AM CDT Thu Apr 16 2026/
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON MDT /1 PM CDT/
TODAY TO 7 PM MDT /8 PM CDT/ THIS EVENING FOR GUSTY WINDS AND LOW
RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 317, 321, 322, 325, 326,
332, 333, 334, AND 335...
* AFFECTED AREA...Fire Weather Zones 317 Weston County Plains,
321 Southern Black Hills, 322 Fall River County Area, 325
Custer County Plains, 326 Pine Ridge Area, 332 Badlands Area,
333 Bennett County Area, 334 Mellette and Todd Counties and
335 Tripp County.
* WINDS...West 15 to 25 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 13 percent.
* IMPACTS...The combination of gusty winds and low relative
humidity would produce critical fire weather conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
516 AM MDT Thu Apr 16 2026
MTZ301-161800-
/O.CON.KTFX.WW.Y.0021.000000T0000Z-260416T1800Z/
East Glacier Park Region-
Including the following locations: Saint Mary, Babb, East Glacier
Park, Logan Pass, Marias Pass, and Kiowa
516 AM MDT Thu Apr 16 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY...
* WHAT...Snow. Additional snow accumulations up to 4 inches. Winds
gusting as high as 35 mph.
* WHERE...East Glacier Park Region Zone.
* WHEN...Until noon MDT today.
* IMPACTS...Travel could be very difficult and tire chains may be
required for some vehicles. Falling and or blowing snow may
significantly reduce visibility. Those in the backcountry should
ensure they are prepared for dangerous conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
To see a graphical representation of the degree of stress on young
livestock please visit our webpage and select Local Programs then
Cold Air Advisory for Newborn Livestock.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
516 AM MDT Thu Apr 16 2026
MTZ307-317-320-161800-
/O.CON.KTFX.WW.Y.0021.000000T0000Z-260416T1800Z/
Southern Rocky Mountain Front-Little Belt and Highwood Mountains-
Big Belt, Bridger and Castle Mountains-
Including the following locations: Trident, Rogers Pass, Battle
Ridge Pass, Monarch, Kings Hill Pass, Deep Creek Pass, Maudlow,
Bozeman Pass, and Neihart
516 AM MDT Thu Apr 16 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY...
* WHAT...Snow. Additional snow accumulations up to two inches. Winds
gusting as high as 35 mph.
* WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and
Highwood Mountains, and Southern Rocky Mountain Front.
* WHEN...Until noon MDT today.
* IMPACTS...Slushy snow covered roads may make travel difficult.
Falling and or blowing snow may significantly reduce visibility.
Those in the backcountry should ensure they are prepared for
dangerous conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
To see a graphical representation of the degree of stress on young
livestock please visit our webpage and select Local Programs then
Cold Air Advisory for Newborn Livestock.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
516 AM MDT Thu Apr 16 2026
MTZ325-170000-
/O.CON.KTFX.WW.Y.0021.000000T0000Z-260417T0000Z/
Madison River Valley-
Including the following locations: McAllister, Jeffers, Cameron,
Norris, and Ennis
516 AM MDT Thu Apr 16 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
* WHAT...Snow. Additional snow accumulations up to two inches.
* WHERE...Madison River Valley.
* WHEN...Until 6 PM MDT this evening.
* IMPACTS...Slushy snow covered roads may make travel difficult,
especially Thursday morning. The hazardous conditions could impact
the Thursday morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
To see a graphical representation of the degree of stress on young
livestock please visit our webpage and select Local Programs then
Cold Air Advisory for Newborn Livestock.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
516 AM MDT Thu Apr 16 2026
MTZ326-170000-
/O.CON.KTFX.WW.Y.0021.000000T0000Z-260417T0000Z/
Gallatin Valley-
Including the following locations: Bozeman and Gallatin Gateway
516 AM MDT Thu Apr 16 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
* WHAT...Snow. Additional snow accumulations between 2 and 4 inches.
* WHERE...Gallatin Valley.
* WHEN...Until 6 PM MDT this evening.
* IMPACTS...Slushy snow covered roads may make travel difficult,
especially Thursday morning. The hazardous conditions could impact
the Thursday morning and evening commutes. Isolated power outages
and or tree damage possible.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
To see a graphical representation of the degree of stress on young
livestock please visit our webpage and select Local Programs then
Cold Air Advisory for Newborn Livestock.
&&
$$
Moldan
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
503 AM MDT Thu Apr 16 2026
MTZ040-171115-
/O.CON.KBYZ.WW.Y.0015.000000T0000Z-260417T1200Z/
Northern Park-
Including the locations of Clyde Park and Wilsall
503 AM MDT Thu Apr 16 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY...
* WHAT...Snow. Total snow accumulations between 1 and 3 inches.
* WHERE...Northern Park.
* WHEN...Until 6 AM MDT Friday.
* IMPACTS...Plan on slick road conditions and poor visibility at
times. The hazardous conditions will impact the Thursday morning
and evening commutes.
* ADDITIONAL DETAILS...Locations close to the mountains may see
locally higher snow totals.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
503 AM MDT Thu Apr 16 2026
MTZ056-065-066-171115-
/O.CON.KBYZ.WW.Y.0015.000000T0000Z-260417T1200Z/
Red Lodge Foothills-Livingston Area-Beartooth Foothills-
Including the locations of Roscoe, Roberts, Red Lodge, McLeod,
Fishtail, Nye, Springdale, and Livingston
503 AM MDT Thu Apr 16 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY...
* WHAT...Snow. Additional snow accumulations up to 4 inches. Winds
gusting as high as 35 mph.
* WHERE...Beartooth Foothills, Livingston Area, and Red Lodge
Foothills.
* WHEN...Until 6 AM MDT Friday.
* IMPACTS...Falling snow and breezy winds may lead to visibility
reductions due to blowing snow. The hazardous conditions will
impact the Thursday morning and evening commutes.
* ADDITIONAL DETAILS...Locations close to the mountains may see
locally higher snow totals.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
503 AM MDT Thu Apr 16 2026
MTZ064-171115-
/O.CON.KBYZ.WW.Y.0015.000000T0000Z-260417T1200Z/
Paradise Valley-
Including the locations of Emigrant
503 AM MDT Thu Apr 16 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY...
* WHAT...Snow. Additional snow accumulations between 2 and 5 inches.
Winds gusting as high as 30 mph.
* WHERE...Paradise Valley.
* WHEN...Until 6 AM MDT Friday.
* IMPACTS...Falling snow and breezy winds may lead to visibility
reductions due to blowing snow. The hazardous conditions will
impact the Thursday morning and evening commutes.
* ADDITIONAL DETAILS...Locations on the east side of the valley may
see locally higher snow totals, esepcailly in the higher
elevations. Areas near Gardiner may also see totals over 3 inches.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
503 AM MDT Thu Apr 16 2026
MTZ138-WYZ199-171115-
/O.CON.KBYZ.WW.Y.0015.260416T1800Z-260417T1200Z/
Southern Big Horn-Sheridan Foothills-
Including the locations of Pryor, Wyola, Big Horn, Lodge Grass,
Dayton, Ranchester, Sheridan, and Clearmont
503 AM MDT Thu Apr 16 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 AM
MDT FRIDAY...
* WHAT...Snow. Total snow accumulations up to three inches. Winds
gusting as high as 40 mph.
* WHERE...In Montana, Southern Big Horn. In Wyoming, Sheridan
Foothills.
* WHEN...From noon today to 6 AM MDT Friday.
* IMPACTS...Falling snow and breezy winds may lead to visibility
reductions due to blowing snow. The hazardous conditions will
impact the Thursday evening commute.
* ADDITIONAL DETAILS...Snow totals near Sheridan and along I-90 will
generally be around 1 inch. The highest snowfall totals are
expected close to the mountains. Heaviest snowfall is expected
during the evening hours.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.
&&
$$
Additional graphics for this hazard can be found at
http://www.weather.gov/billings
Chambers
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
503 AM MDT Thu Apr 16 2026
MTZ171-WYZ198-171115-
/O.CON.KBYZ.WW.Y.0015.260416T1500Z-260417T1200Z/
Pryor/Northern Bighorn Mountains-Northeast Bighorn Mountains-
Including the locations of Burgess Jct and Story
503 AM MDT Thu Apr 16 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO 6 AM MDT FRIDAY...
* WHAT...Snow and blowing snow. Total snow accumulations between 6
and 12 inches. Winds gusting as high as 35 mph.
* WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming,
Northeast Bighorn Mountains.
* WHEN...From 9 AM this morning to 6 AM MDT Friday.
* IMPACTS...Travel could be very difficult at times, including
Highway 14. Blowing snow could significantly reduce visibility. The
hazardous conditions will impact the Thursday morning and evening
commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
237 AM MDT Thu Apr 16 2026
WYZ008-009-170015-
/O.CON.KRIW.WW.Y.0015.260416T1500Z-260417T1200Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
237 AM MDT Thu Apr 16 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO 6 AM MDT FRIDAY...
* WHAT...Snow and wind expected. Total snow accumulations between 6
and 12 inches for elevations above 7,000 feet. Winds gusting
between 35 and 55 mph.
* WHERE...Bighorn Mountains Southeast and Bighorn Mountains West.
* WHEN...From 9 AM this morning to 6 AM MDT Friday.
* IMPACTS...Travel could be difficult, especially over Powder River
Pass. Gusty winds will cause limited visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
237 AM MDT Thu Apr 16 2026
WYZ010-011-170015-
/O.CON.KRIW.WW.Y.0015.260416T1800Z-260417T1200Z/
Northeast Johnson County-Southeast Johnson County-
Including the cities of Buffalo and Kaycee
237 AM MDT Thu Apr 16 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 AM
MDT FRIDAY...
* WHAT...Snow, wind, and cold expected. Total snow accumulations
between 1 and 4 inches with gusty north winds. Winds gusting
between 35 and 55 mph. Expect temperatures below 28 degrees Friday
morning.
* WHERE...Northeast Johnson County and Southeast Johnson County.
* WHEN...From noon today to 6 AM MDT Friday.
* IMPACTS...Plan on hazardous road conditions, including along I-25.
Gusty winds and snow will cause limited visibility. Vulnerable
outdoor equipment and vegetation could be impacted by freezing
temperatures.
* ADDITIONAL DETAILS...Snow squalls are possible Thursday afternoon
and evening. If a snow squall does occur, expect instances of very
low visibilities. Temperatures will drop below 28 degrees by
Friday morning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
1242 AM MDT Thu Apr 16 2026
IDZ060-066-161800-
/O.CON.KPIH.WW.Y.0009.000000T0000Z-260417T1200Z/
Bear River Range-Centennial Mountains - Island Park-
Including the cities of Island Park, Emigration Summit, and
Kilgore
1242 AM MDT Thu Apr 16 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY
ABOVE 6500 FT ELEVATION...
* WHAT...Snow above 6500 ft elevation. Additional snow accumulations
between 2 and 6 inches. Winds gusting as high as 40 mph.
* WHERE...Centennial Mountains - Island Park and Bear River Range.
* WHEN...Until 6 AM MDT Friday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Call 5 1 1 or visit
511.idaho.gov for the latest road conditions.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
1242 AM MDT Thu Apr 16 2026
IDZ071>074-161800-
/O.CON.KPIH.WW.Y.0009.000000T0000Z-260416T1800Z/
Frank Church Wilderness-Sawtooth/Stanley Basin-Sun Valley Region-
Big Lost Highlands/Copper Basin-
Including the cities of Sun Valley, Copper Basin, Ketchum,
Stanley, Clayton, and Galena
1242 AM MDT Thu Apr 16 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY
ABOVE 7000 FT ELEVATION...
* WHAT...Snow above 7000 ft elevation. Additional snow accumulations
of 2 to 4 inches. Winds gusting as high as 35 mph.
* WHERE...Big Lost Highlands/Copper Basin, Frank Church Wilderness,
Sawtooth/Stanley Basin, and Sun Valley Region.
* WHEN...Until noon MDT today.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday morning commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Call 5 1 1 or visit
511.idaho.gov for the latest road conditions.
&&
$$
Visit weather.gov/pocatello for more information.
McKaughan
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1153 AM MDT Tue Apr 14 2026
IDZ005-006-161500-
/O.NEW.KMSO.WW.Y.0019.260416T0000Z-260416T1500Z/
Northern Clearwater Mountains-Southern Clearwater Mountains-
1053 AM PDT Tue Apr 14 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM WEDNESDAY TO 8 AM PDT
THURSDAY...
* WHAT...Snow expected. There is a likelihood of minor to moderate
winter weather impacts. Total snow accumulations of 2 to 5 inches
below 5,000 feet, with 5 to 10 inches in the higher terrain.
* WHERE...Highway 12 Lowell to Lolo Pass, Highway 11 Pierce to
Headquarters, Elk City, Elk River, Dixie, and Pierce.
* WHEN...From 5 PM Wednesday to 8 AM PDT Thursday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra
caution while driving. Closures and disruptions to infrastructure
may occur. The hazardous conditions could impact the Wednesday
morning and evening commutes, especially over higher passes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
Outdoor recreationalists should be prepared for winter conditions.
Snowfall could impact roads and cold temperatures may result in
hypothermia.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1153 AM MDT Tue Apr 14 2026
IDZ009-010-161500-
/O.NEW.KMSO.WW.Y.0019.260416T0000Z-260416T1500Z/
Western Lemhi County-Eastern Lemhi County-
1153 AM MDT Tue Apr 14 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO 9 AM MDT
THURSDAY...
* WHAT...Snow expected. There is a likelihood of moderate winter
weather impacts. Total snow accumulations of 3 to 7 inches above
5,000 feet, including area mountain passes. Total snow
accumulations of up to 2 inches in lower elevation valley areas.
* WHERE...Highway 93 Lost Trail Pass to Gibbonsville, Lemhi Pass,
Williams Creek Summit, Salmon, Shoup, Highway 28 Tendoy to Lone
Pine, and Bannock Pass.
* WHEN...From 6 PM Wednesday to 9 AM MDT Thursday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra
caution while driving. Closures and disruptions to infrastructure
may occur. The hazardous conditions could impact the Wednesday
morning and evening commutes, especially over higher passes.
* ADDITIONAL DETAILS...An elevated risk exists for snow squalls to
produce poor visibility and gusty winds as the front arrives
Wednesday evening across mountain pass areas.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
Outdoor recreationalists should be prepared for winter conditions.
Snowfall could impact roads and cold temperatures may result in
hypothermia.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1153 AM MDT Tue Apr 14 2026
MTZ002-161500-
/O.NEW.KMSO.WW.Y.0019.260415T0600Z-260416T1500Z/
West Glacier Region-
1153 AM MDT Tue Apr 14 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
MDT THURSDAY...
* WHAT...Snow expected. There is a likelihood of moderate winter
weather impacts. Total snow accumulations of 5 to 10 inches from
Essex to Marias Pass and 12 to 20 inches above 6,000 feet. Total
snow accumulations of 1 to 5 inches in valley locations.
* WHERE...Polebridge, Essex, Glacier National Park, Marias Pass,
Highway 83 Bigfork to Swan Lake, and Bad Rock Canyon.
* WHEN...From midnight tonight to 9 AM MDT Thursday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra
caution while driving. Closures and disruptions to infrastructure
may occur. The hazardous conditions could impact the Wednesday
morning and evening commutes, especially over higher passes.
* ADDITIONAL DETAILS...Valley locations will see rain changeover to
snow Wednesday evening into Thursday morning as the cold front
arrives. Roadways will become slushy Wednesday afternoon as
temperatures warm near freezing at Marias Pass on Highway 2.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
Outdoor recreationalists should be prepared for winter conditions.
Snowfall could impact roads and cold temperatures may result in
hypothermia.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1153 AM MDT Tue Apr 14 2026
MTZ004-161500-
/O.NEW.KMSO.WW.Y.0019.260415T0600Z-260416T1500Z/
Lower Clark Fork Region-
1153 AM MDT Tue Apr 14 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
MDT THURSDAY...
* WHAT...Snow expected. There is a likelihood of moderate winter
weather impacts. Total snow accumulations of 6 to 12 inches for
Lookout Pass and the higher terrain. Total snow accumulations of
up to 2 inches in lower elevation valley areas.
* WHERE...Highway 200 Thompson Falls to Plains, Highway 200 Trout
Creek to Heron, I-90 Lookout Pass to Haugan, and Evaro Hill.
* WHEN...From midnight tonight to 9 AM MDT Thursday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra
caution while driving. Closures and disruptions to infrastructure
may occur. The hazardous conditions could impact the Wednesday
morning and evening commutes, especially over higher passes.
* ADDITIONAL DETAILS...Valley locations will see rain changeover to
snow Wednesday evening into Thursday morning as the cold front
arrives. Roadways will become slushy Wednesday afternoon as
temperatures warm near freezing at Lookout Pass on Interstate 90.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
Outdoor recreationalists should be prepared for winter conditions.
Snowfall could impact roads and cold temperatures may result in
hypothermia.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1153 AM MDT Tue Apr 14 2026
MTZ006-161500-
/O.NEW.KMSO.WW.Y.0019.260415T2100Z-260416T1500Z/
Bitterroot/Sapphire Mountains-
1153 AM MDT Tue Apr 14 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM WEDNESDAY TO 9 AM MDT
THURSDAY...
* WHAT...Snow expected. There is a likelihood of moderate winter
weather impacts. Total snow accumulations between 4 and 8 inches
for Lolo and Lost Trail Passes, with 7 to 14 inches above 6,000
feet in the higher terrain.
* WHERE...Highway 93 Sula to Lost Trail Pass and Lolo Pass.
* WHEN...From 3 PM Wednesday to 9 AM MDT Thursday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra
caution while driving. Closures and disruptions to infrastructure
may occur. The hazardous conditions could impact the Wednesday
morning and evening commutes, especially over higher passes.
* ADDITIONAL DETAILS...An elevated risk exists for snow squalls to
produce poor visibility and gusty winds as the front arrives late
Wednesday afternoon into the evening.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
Outdoor recreationalists should be prepared for winter conditions.
Snowfall could impact roads and cold temperatures may result in
hypothermia.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1153 AM MDT Tue Apr 14 2026
MTZ007-161500-
/O.NEW.KMSO.WW.Y.0019.260416T0000Z-260416T1500Z/
Butte/Blackfoot Region-
1153 AM MDT Tue Apr 14 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO 9 AM MDT
THURSDAY...
* WHAT...Snow expected. There is a likelihood of moderate winter
weather impacts. Total snow accumulations of 1 to 3 inches, with 3
to 7 inches expected above 7,000 feet. Winds gusting as high as 35
mph.
* WHERE...Highway 12 Garrison to Elliston, Georgetown Lake,
MacDonald Pass, Butte, and Homestake Pass.
* WHEN...From 6 PM Wednesday to 9 AM MDT Thursday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra
caution while driving. Closures and disruptions to infrastructure
may occur. The hazardous conditions could impact the Wednesday
morning and evening commutes, especially over higher passes.
* ADDITIONAL DETAILS...An elevated risk exists for snow squalls to
produce poor visibility and gusty winds as the front arrives
Wednesday evening.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
Outdoor recreationalists should be prepared for winter conditions.
Snowfall could impact roads and cold temperatures may result in
hypothermia.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1153 AM MDT Tue Apr 14 2026
MTZ043-161500-
/O.NEW.KMSO.WW.Y.0019.260416T0000Z-260416T1500Z/
Potomac/Seeley Lake Region-
1153 AM MDT Tue Apr 14 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO 9 AM MDT
THURSDAY...
* WHAT...Snow expected. There is a likelihood of minor to moderate
winter weather impacts. Total snow accumulations up to two inches,
with 6 to 14 inches above 6,000 feet in the Swan and Mission
Mountains.
* WHERE...Highway 200 Bonner to Greenough, I-90 East Missoula to
Bearmouth, and Highway 83 Seeley Lake to Condon.
* WHEN...From 6 PM Wednesday to 9 AM MDT Thursday.
* IMPACTS...Winter traveling conditions. For MINOR winter weather
impacts, expect a few inconveniences to normal activities. Use
caution while driving. The hazardous conditions could impact the
Thursday morning commute, especially over higher passes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
AL
Lake Wind Advisory
URGENT - WEATHER MESSAGE
National Weather Service Glasgow MT
825 PM MDT Wed Apr 15 2026
MTZ016-017-021>023-060-162200-
/O.CON.KGGW.LW.Y.0009.260416T1500Z-260417T0300Z/
Central and Southeast Phillips-Central and Southern Valley-
Petroleum-Garfield-McCone-Southwest Phillips-
Including Zortman, Circle, Glasgow, Frazer, Hinsdale, Saco, Fort
Peck, Winnett, Malta, and Jordan
825 PM MDT Wed Apr 15 2026
...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 9 AM TO 9 PM MDT
THURSDAY...
* WHAT...Northwest winds 15 to 25 mph with gusts up to 35 mph
expected.
* WHERE...Fort Peck Lake.
* WHEN...From 9 AM to 9 PM MDT Thursday.
* IMPACTS...Strong winds will produce waves up to 4 feet which can
overturn or swamp small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Boaters on Fort Peck Lake should use extra caution since strong
winds and rough waves can overturn small craft.
&&
$$
Forrester
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Bismarck ND
611 AM CDT Thu Apr 16 2026
NDZ018>020-031>036-040>046-171115-
Dunn-Mercer-Oliver-Golden Valley-Billings-Stark-Morton-Burleigh-
Kidder-Slope-Hettinger-Grant-Bowman-Adams-Sioux-Emmons-
611 AM CDT Thu Apr 16 2026 /511 AM MDT Thu Apr 16 2026/
This Hazardous Weather Outlook is for portions of south central
North Dakota and southwest North Dakota.
.DAY ONE...Today and Tonight
There is a slight chance for a few thunderstorms later today into
this evening. The chance for severe weather is very low.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
The probability for widespread hazardous weather is low.
.SPOTTER INFORMATION STATEMENT...
Spotters are asked to provide reports to the NWS using standard
procedures, including through our social media accounts.
$$
Hazardous Weather Outlook
National Weather Service Rapid City SD
419 AM MDT Thu Apr 16 2026
SDZ024-025-028-WYZ054>057-060-171300-
Northern Black Hills-Northern Foothills-Central Black Hills-
Northern Campbell-Southern Campbell-Western Crook-
Wyoming Black Hills-Northeastern Crook-
419 AM MDT Thu Apr 16 2026
This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.
.DAY ONE...Today and Tonight
A strong cold front moves through the area this afternoon with
showers and a few thunderstorms moving into the area this
afternoon. Rain will transition to snow tonight as colder air
moves in.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
Light snow continues through Friday with total accumulations of 1
to 3 inches expected.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today.
&&
Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity
$$
Hazardous Weather Outlook
National Weather Service Rapid City SD
419 AM MDT Thu Apr 16 2026
SDZ027-029>031-041>044-046-047-049-074>077-WYZ058-059-171300-
Southern Foothills-Southern Black Hills-Custer Co Plains-
Pennington Co Plains-Western Fall River-Northern Oglala Lakota-
Northern Jackson-Bennett-Mellette-Todd-Tripp-Hermosa Foothills-
Eastern Fall River-Southern Oglala Lakota-Southern Jackson-
Weston County Plains-Newcastle-
419 AM MDT Thu Apr 16 2026 /519 AM CDT Thu Apr 16 2026/
This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.
.DAY ONE...Today and Tonight
Very warm, dry, and windy conditions will result in very high fire
danger and critical fire weather conditions this afternoon.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today.
&&
Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity
$$
Hazardous Weather Outlook
National Weather Service Riverton WY
253 AM MDT Thu Apr 16 2026
WYZ001>020-022>030-171300-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
253 AM MDT Thu Apr 16 2026
...Winter Storm Warning in effect for the northwestern mountains
through tonight...
...Winter Weather Advisories in effect for portions of central
Wyoming from tonight through Friday...
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and Tonight.
Snow moving into the west, spreading East of the Divide and into
southern Wyoming later today and tonight. Gusty wind will
accompany the snow with snow squalls possible in central and
southern Wyoming. Please see forecasts and Winter Weather Products
for details.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday...Much colder with snow showers continuing, ending in the
evening. A hard freeze is likely Friday night.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
