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Winter Storm Warning


URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
117 PM MDT Thu Apr 17 2025

MTZ056-066-181500-
/O.CON.KBYZ.WS.W.0012.000000T0000Z-250418T1500Z/
Red Lodge Foothills-Beartooth Foothills-
Including the locations of Fishtail, Nye, Roscoe, Red Lodge,
Roberts, and McLeod
117 PM MDT Thu Apr 17 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY...

* WHAT...Heavy snow. Total snow accumulations between 10 and 18
  inches. Winds gusting as high as 40 mph.

* WHERE...Beartooth Foothills and Red Lodge Foothills.

* WHEN...Until 9 AM MDT Friday.

* IMPACTS...Roads, including US-212, will be slick and hazardous.
  Travel will be very difficult to impossible. The hazardous
  conditions will impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. For the latest road
conditions, call 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
117 PM MDT Thu Apr 17 2025

MTZ067-068-181800-
/O.CON.KBYZ.WS.W.0012.000000T0000Z-250418T1800Z/
Absaroka/Beartooth Mountains-Crazy Mountains-
Including the locations of Cooke City
117 PM MDT Thu Apr 17 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY...

* WHAT...Heavy snow and blowing snow. Total snow accumulations
  between 1 and 2 feet. Winds gusting as high as 50 mph.

* WHERE...Absaroka/Beartooth Mountains and Crazy Mountains.

* WHEN...Until noon MDT Friday.

* IMPACTS...Recreation in the high country will be impacted by heavy
  accumulating and blowing snow. Avalanche danger will increase.

* ADDITIONAL DETAILS...The highest amounts will fall on north and
  east facing slopes. Locations such as Cooke City will see much
  lower amounts, between 4 and 8 inches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. For the latest road
conditions, call 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
117 PM MDT Thu Apr 17 2025

MTZ138-169-WYZ199-181800-
/O.CON.KBYZ.WS.W.0012.000000T0000Z-250418T1800Z/
Southern Big Horn-Bighorn Canyon-Sheridan Foothills-
Including the locations of Lodge Grass, Big Horn, Dayton,
Ranchester, Fort Smith, Pryor, Clearmont, Sheridan, and Wyola
117 PM MDT Thu Apr 17 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY...

* WHAT...Heavy wet snow. Total snow accumulations between 4 and 12
  inches, greatest close to the mountains. Winds gusting as high as
  35 mph.

* WHERE...In Montana, Bighorn Canyon and Southern Big Horn. In
  Wyoming, Sheridan Foothills.

* WHEN...Until noon MDT Friday.

* IMPACTS...Roads, including Interstate 90, will be slick and
  hazardous. Travel could be very difficult with poor visibilities.
  The hazardous conditions will impact the evening commute.

* ADDITIONAL DETAILS...Expect most snow to accumulate on grassy
  surfaces. The highest amounts will fall along and west of I-90,
  especially in the higher terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. For the latest road
conditions, call 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
117 PM MDT Thu Apr 17 2025

MTZ170-180600-
/O.CON.KBYZ.WS.W.0012.000000T0000Z-250418T0600Z/
Northern Carbon-
Including the locations of Joliet and Fromberg
117 PM MDT Thu Apr 17 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Heavy wet snow occurring. Additional snow accumulations
  between 1 and 2 inches, greatest over the highest hills. Winds
  gusting as high as 30 mph.

* WHERE...Northern Carbon.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Roads, and especially bridges and overpasses, will be
  slick and hazardous. Plan on slippery road conditions. The
  hazardous conditions could impact the evening commute.

* ADDITIONAL DETAILS...Most additional snow will accumulate on
  grassy surfaces.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. For the latest road
conditions, call 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
117 PM MDT Thu Apr 17 2025

MTZ171-WYZ198-181800-
/O.CON.KBYZ.WS.W.0012.000000T0000Z-250418T1800Z/
Pryor/Northern Bighorn Mountains-Northeast Bighorn Mountains-
Including the locations of Story and Burgess Jct
117 PM MDT Thu Apr 17 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY...

* WHAT...Heavy snow and blowing snow. Total snow accumulations
  between 1 and 2 feet. Winds could gust as high as 45 mph.

* WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming,
  Northeast Bighorn Mountains.

* WHEN...Until noon MDT Friday.

* IMPACTS...Travel could be very difficult to impossible on Highway
  14 through Burgess Junction, due to snowy conditions and poor
  visibility. Recreation in the high country will be impacted by
  harsh winter conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. For the latest road
conditions, call 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
102 PM MDT Thu Apr 17 2025

WYZ003-005-180900-
/O.CON.KRIW.WS.W.0010.000000T0000Z-250418T0900Z/
Cody Foothills-Southwest Bighorn Basin-
Including the cities of Clark, Meeteetse, Cody, and Thermopolis
102 PM MDT Thu Apr 17 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM MDT FRIDAY...

* WHAT...Snow expected. Additional snow accumulations between 1 and
  5 inches, highest closest to the mountains. Winds gusting as high
  as 55 mph.

* WHERE...Southwest Bighorn Basin and Cody Foothills.

* WHEN...Until 3 AM MDT Friday.

* IMPACTS...Travel could be difficult, especially along Wyoming
  Highway 120 between Cody and Thermopolis.

* ADDITIONAL DETAILS...Snow accumulations may be hindered during the
  daytime hours Thursday due to temperatures ranging from 30 to 35
  and recent warm temperatures.

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.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
102 PM MDT Thu Apr 17 2025

WYZ010-011-181300-
/O.CON.KRIW.WS.W.0010.000000T0000Z-250418T1800Z/
Northeast Johnson County-Southeast Johnson County-
Including the cities of Kaycee and Buffalo
102 PM MDT Thu Apr 17 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY...

* WHAT...Heavy snow. Additional snow accumulations between 2 and 4
  inches. North winds gusting as high as 45 mph.

* WHERE...Johnson County.

* WHEN...Until noon MDT Friday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the Thursday evening commute.

* ADDITIONAL DETAILS...Snow accumulations may be hindered during the
  daytime hours Thursday due to temperatures ranging from 30 to 35
  and recent warm temperatures.

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.

&&

$$


Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
207 PM MDT Thu Apr 17 2025

MTZ330-180600-
/O.CAN.KTFX.WS.W.0010.000000T0000Z-250418T0600Z/
/O.NEW.KTFX.WW.Y.0035.250417T2007Z-250418T0600Z/
Gallatin and Madison County Mountains and Centennial Mountains-
Including the following locations: West Yellowstone, Targhee
Pass, Big Sky, and Raynolds Pass
207 PM MDT Thu Apr 17 2025

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Snow. Additional snow accumulations up to 3 inches, with up
  to 5 inches in the higher terrain. Winds gusting as high as 50 mph.

* WHERE...Gallatin and Madison County Mountains and Centennial
  Mountains.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Roads, and especially bridges and overpasses, will
  likely become slick and hazardous.

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.

Remember, a Winter Weather Advisory means that there is at least an
80% chance of minor impacts due to winter weather conditions during
the advisory period.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
117 PM MDT Thu Apr 17 2025

MTZ036-180600-
/O.CON.KBYZ.WW.Y.0025.000000T0000Z-250418T0600Z/
Powder River-
Including the locations of Powderville, Sonnette, Biddle, and
Broadus
117 PM MDT Thu Apr 17 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Snow occurring. Additional snow accumulations 1 to 2
  inches, greatest over the higher hills west of Broadus. Winds
  gusting as high as 30 mph.

* WHERE...Powder River.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Travel on US-212 will be impacted by snowy or slushy
  conditions and poor visibility.

* ADDITIONAL DETAILS...Most snow will accumulate on grassy surfaces.

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
117 PM MDT Thu Apr 17 2025

MTZ058-180600-
/O.CON.KBYZ.WW.Y.0025.000000T0000Z-250418T0600Z/
Southern Rosebud-
Including the locations of Lame Deer, Birney, and Ashland
117 PM MDT Thu Apr 17 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Snow occurring. Additional snow accumulations up to an inch
  with 2 inches in the higher hills.

* WHERE...Southern Rosebud.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Roads, and especially bridges and overpasses, will be
  slick and hazardous. Plan on slippery road conditions. The
  hazardous conditions will impact the evening commute.

* ADDITIONAL DETAILS...Most additional snow will accumulate on
  grassy surfaces.

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
117 PM MDT Thu Apr 17 2025

MTZ139-180600-
/O.CON.KBYZ.WW.Y.0025.000000T0000Z-250418T0600Z/
Southeastern Carbon-
Including the locations of Bridger, Belfry, and Warren
117 PM MDT Thu Apr 17 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Snow occurring. Additional snow accumulations from less
  than an inch to 2 inches. Winds gusting as high as 45 mph.

* WHERE...Southeastern Carbon.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions will impact the evening commute.

* ADDITIONAL DETAILS...Most snow will accumulate on grassy surfaces.

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

Arthur

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
102 PM MDT Thu Apr 17 2025

WYZ002-181300-
/O.CON.KRIW.WW.Y.0021.000000T0000Z-250418T1800Z/
Absaroka Mountains-
102 PM MDT Thu Apr 17 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT FRIDAY...

* WHAT...Snow. Additional snow accumulations between 3 and 7 inches,
  with up to 10 inches at the highest elevations. Winds gusting as
  high as 50 mph.

* WHERE...Absaroka Mountains.

* WHEN...Until noon MDT Friday.

* IMPACTS...Travel could be difficult, especially over Chief Joseph
  Pass.

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
102 PM MDT Thu Apr 17 2025

WYZ007>009-181300-
/O.CON.KRIW.WW.Y.0021.000000T0000Z-250418T1800Z/
Owl Creek and Bridger Mountains-Bighorn Mountains West-Bighorn
Mountains Southeast-
102 PM MDT Thu Apr 17 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT FRIDAY...

* WHAT...Snow. Additional snow accumulations between 5 and 9 inches,
  with up to 12 inches at the highest elevations. Winds gusting as
  high as 50 mph.

* WHERE...Owl Creek and Bridger Mountains, Bighorn Mountains
  Southeast, and Bighorn Mountains West.

* WHEN...Until noon MDT Friday.

* IMPACTS...Travel could be very difficult. Areas of blowing snow
  could significantly reduce visibility at times. The hazardous
  conditions could impact the Thursday evening commute

* ADDITIONAL DETAILS...Total snow accumulations through Wind River
  Canyon will be 4 to 6 inches, and Thursday daytime accumulations
  may be hindered due to recent warm weather and temperatures
  ranging from 30 to 35.

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.

&&

$$

For more information from the National Weather Service, visit
https://weather.gov/riw/ .

Wittmann

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
1041 AM MDT Thu Apr 17 2025

SDZ024-WYZ057-180745-
/O.CON.KUNR.WW.Y.0014.000000T0000Z-250418T1500Z/
Northern Black Hills-Wyoming Black Hills-
Including the cities of Deadwood, Brownsville, Deerfield,
Rochford, Silver City, Nemo, Mystic, Terry Peak, Four Corners,
Galena, Sundance, Lead, and Cheyenne Crossing
1041 AM MDT Thu Apr 17 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY...

* WHAT...Snow. Additional snow accumulations between 2 and 5 inches.

* WHERE...In South Dakota, Northern Black Hills. In Wyoming, Wyoming
  Black Hills.

* WHEN...Until 9 AM MDT Friday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the Thursday evening and Friday morning
  commutes.

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.

&&

$$

Dye

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
1041 AM MDT Thu Apr 17 2025

WYZ054-055-180600-
/O.EXB.KUNR.WW.Y.0014.000000T0000Z-250418T0600Z/
Northern Campbell-Southern Campbell-
Including the cities of Weston, Wright, Recluse, Gillette, and
Rozet
1041 AM MDT Thu Apr 17 2025

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

* WHAT...Snow. Additional snow accumulations between 1 and 3 inches.
  Winds gusting as high as 35 mph.

* WHERE...Northern Campbell and Southern Campbell.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the Thursday evening commute.

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.

&&

$$


Wind Advisory


URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
118 PM MDT Thu Apr 17 2025

IDZ052-053-067-068-180900-
/O.CON.KPIH.WI.Y.0011.000000T0000Z-250418T0900Z/
Arco/Mud Lake Desert-Upper Snake River Plain-Beaverhead - Lemhi
Highlands-Lost River Valley-
Including the cities of Mackay, Idaho Falls, St. Anthony,
Spencer, Dubois, Arco, Howe, Chilly, Craters of the Moon NM, Mud
Lake, Rexburg, Edie School, Small, and INL
118 PM MDT Thu Apr 17 2025

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM MDT FRIDAY...

* WHAT...North winds 25 to 35 mph with gusts up to 50 mph.

* WHERE...Lost River Valley, Beaverhead - Lemhi Highlands, Arco/Mud
  Lake Desert, and Upper Snake River Plain.

* WHEN...Until 3 AM MDT Friday.

* IMPACTS...Gusty winds could make driving difficult, especially for
  high profile vehicles. Unsecured objects may be blown around.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

Secure outdoor objects.

&&

$$

Visit weather.gov/pocatello for more information.

McKaughan

URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
207 PM MDT Tue Apr 15 2025

IDZ010-180000-
/O.NEW.KMSO.WI.Y.0004.250416T2100Z-250418T0000Z/
Eastern Lemhi County-
207 PM MDT Tue Apr 15 2025

...WIND ADVISORY IN EFFECT FROM 3 PM WEDNESDAY TO 6 PM MDT
THURSDAY...

* WHAT...Southwest winds turning north: 20 to 30 mph with gusts up
  to 40 mph expected. Higher gusts around 50 mph associated with
  showers.

* WHERE...Eastern Lemhi County.

* WHEN...From 3 PM Wednesday to 6 PM MDT Thursday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

* ADDITIONAL DETAILS...Visibility reductions will accompany frontal
  passage with rain abruptly changing to snow by late Wednesday
  evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

&&

$$


Special Weather Statement


Special Weather Statement
National Weather Service Billings MT
248 PM MDT Thu Apr 17 2025

MTZ029>031-034-042-056>058-065>068-138-139-141-169>173-228-235-
172215-
Pryor/Northern Bighorn Mountains MT-Northern Stillwater MT-
Northern Big Horn MT-Southeastern Carbon MT-Beartooth Foothills
MT-Northeastern Yellowstone MT-Southern Big Horn MT-Crazy
Mountains MT-Southwestern Yellowstone MT-Melville Foothills MT-
Northern Carbon MT-Bighorn Canyon MT-Red Lodge Foothills MT-
Southern Wheatland MT-Golden Valley MT-Livingston Area MT-
Northern Rosebud MT-Absaroka/Beartooth Mountains MT-Musselshell
MT-Southern Rosebud MT-Northern Sweet Grass MT-Treasure MT-
248 PM MDT Thu Apr 17 2025

...SNOW SHOWERS WILL IMPACT SOUTHERN MUSSELSHELL...TREASURE...
YELLOWSTONE...SOUTHERN GOLDEN VALLEY...NORTHWESTERN CARBON...SWEET
GRASS...SOUTHEASTERN WHEATLAND...STILLWATER...CENTRAL PARK...BIG
HORN AND SOUTHERN ROSEBUD COUNTIES UNTIL 415 PM MDT...

At 248 PM MDT, Snow showers were moving south over the area this
afternoon, with additional showers expected to continue into the
evening. Quick reductions in visibility down to a 1/4 mile and
slushy accumulations up to an inch are possible with the showers.

Locations impacted include...
  Billings, Hardin, Colstrip, Columbus, Forsyth, Big Timber, Hysham,
  Custer, Laurel, Bridger, Joliet, Fromberg, Lodge Grass, Ryegate,
  Ballantine, Worden, Huntley, Shepherd, Lockwood and Billings
  Heights.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Conditions can deteriorate rapidly in winter weather situations. Be
prepared for snow or ice covered roads. Slow down and allow extra
time when traveling.

&&

LAT...LON 4579 11029 4637 11004 4644 10823 4628 10629
      4614 10619 4515 10626 4521 10786 4532 10794
      4538 10845 4525 10865 4533 10857 4526 10871
      4535 10991 4552 11022
TIME...MOT...LOC 2042Z   4585 10872

$$

Palmquist


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Rapid City SD
606 AM MDT Thu Apr 17 2025

SDZ001-002-012>014-026-027-030>032-041>044-046-047-049-072>078-
181300-
Harding-Northern Perkins-Butte-Northern Meade Co Plains-Ziebach-
Rapid City-Southern Foothills-Custer Co Plains-
Pennington Co Plains-Haakon-Western Fall River-
Northern Oglala Lakota-Northern Jackson-Bennett-Mellette-Todd-
Tripp-Sturgis/Piedmont Foothills-Southern Meade Co Plains-
Hermosa Foothills-Eastern Fall River-Southern Oglala Lakota-
Southern Jackson-Southern Perkins-
606 AM MDT Thu Apr 17 2025 /706 AM CDT Thu Apr 17 2025/

This Hazardous Weather Outlook is for portions of western South
Dakota.

.DAY ONE...Today and Tonight

An upper level system will bring areas of light rain to much of
the area later today and tonight. Some snow will mix in across
some areas late today and especially tonight. Any accumulations
will mostly be an inch or less across the area.

.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 Rapid City SD
606 AM MDT Thu Apr 17 2025

SDZ024-WYZ057-181300-
Northern Black Hills-Wyoming Black Hills-
606 AM MDT Thu Apr 17 2025

This Hazardous Weather Outlook is for portions of the Black Hills
of South Dakota...and the Black Hills of Wyoming.

.DAY ONE...Today and Tonight

An upper level system will move across the area today and tonight.
Snowfall is expected, with accumulations across much of the area,
especially the higher elevations. Amounts up to around 6 inches
are expected, highest across the northwestern Black Hills and the
higher elevations of the Bear Lodge Mountains.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Lingering light snow and snow showers are expected on Friday. Any
additional accumulation is expected to be light.

.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
606 AM MDT Thu Apr 17 2025

SDZ025-028-029-WYZ054>056-058>060-181300-
Northern Foothills-Central Black Hills-Southern Black Hills-
Northern Campbell-Southern Campbell-Western Crook-
Weston County Plains-Newcastle-Northeastern Crook-
606 AM MDT Thu Apr 17 2025

This Hazardous Weather Outlook is for portions of northwestern
South Dakota...the Black Hills of South Dakota...and northeast
Wyoming.

.DAY ONE...Today and Tonight

An upper level system will move across the area today and tonight.
Some snowfall is expected, with accumulations up to several
inches across much of the area, especially the higher elevations.

.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
304 AM MDT Thu Apr 17 2025

WYZ001>020-022>030-181315-
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-
304 AM MDT Thu Apr 17 2025

...WINTER WEATHER ADVISORY AND WINTER STORM WARNING IN EFFECT THROUGH
FRIDAY MORNING...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and tonight.

A cold front will bring much colder temperatures today, with
increasing snow east of the divide, especially on northeast facing
slopes. Gusty north winds will bring hazardous winter conditions.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Friday...Snow tapers off during the morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE