Freeze Warning

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
1048 AM MDT Mon Oct 12 2026

IDZ051-052-054-055-131500-
/O.NEW.KPIH.FZ.W.0020.261013T1000Z-261013T1500Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Lower Snake River Plain-
Eastern Magic Valley-
Including the cities of Rupert, Craters of the Moon NM, Burley, INL,
Heyburn, Pocatello, American Falls, Mud Lake, Blackfoot, Richfield,
Shelley, Oakley, Fort Hall, Shoshone, and Carey
1048 AM MDT Mon Oct 12 2026

...FREEZE WARNING IN EFFECT FROM 4 AM TO 9 AM MDT TUESDAY...

* WHAT...Sub-freezing temperatures as low as 29 expected.

* WHERE...Eastern Magic Valley, Shoshone/Lava Beds, Arco/Mud Lake
  Desert, and Lower Snake River Plain.

* WHEN...From 4 AM to 9 AM MDT Tuesday.

* IMPACTS...Frost and freeze conditions could kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing.

* ADDITIONAL DETAILS...Extensive cloud cover will be a limiting
  factor, likely making sub-freezing temperatures very short-lived.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

Winter Weather Advisory

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
202 AM MDT Tue Oct 13 2026

WYZ014-015-140000-
/O.CON.KRIW.WW.Y.0020.000000T0000Z-261014T1200Z/
Wind River Mountains West-Wind River Mountains East-
202 AM MDT Tue Oct 13 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations of a coating to 3
  inches for elevations up to 9,000 feet. Snow accumulations of 3 to
  12 inches are expected across elevations of 9,000 feet and above.

* WHERE...Wind River Mountains East and Wind River Mountains West.

* WHEN...Until 6 AM MDT Wednesday. The time of maximum impact is most
  likely Tuesday afternoon into Tuesday night.

* IMPACTS...Travel could be difficult especially across the
  backcountry. The hazardous conditions may impact the commutes
  across South Pass.

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.

&&

$$

https://www.weather.gov/riw/

Hattings

URGENT - WINTER WEATHER MESSAGE
National Weather Service Elko NV
1118 PM PDT Mon Oct 12 2026

NVZ034-140000-
/O.CON.KLKN.WW.Y.0005.000000T0000Z-261014T0000Z/
Ruby Mountains and East Humboldt Range in Elko-
1118 PM PDT Mon Oct 12 2026

...A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT TUESDAY
AFTERNOON...

* WHAT...Snow. Additional snow accumulations between 5 and 10 inches.

* WHERE...Ruby Mountains and East Humboldt Range in Elko County.

* WHEN...Until 5 PM PDT Tuesday afternoon.

* IMPACTS...Travel could be difficult.

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.

&&

$$

87

URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
959 PM MDT Mon Oct 12 2026

UTZ111-132100-
/O.EXT.KSLC.WW.Y.0014.261013T0359Z-261014T1200Z/
Wasatch Mountains South of I-80-
Including the following locations - Alta and Brighton
959 PM MDT Mon Oct 12 2026

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM MDT WEDNESDAY...

* WHAT...Snow expected, particularly for elevations above 8,500ft.
  Total snow accumulations of 3 to 6 inches in upper Little and Big
  Cottonwood, with higher amounts expected for elevations above
  9,000ft.

* WHERE...Wasatch Mountains South of I-80.

* WHEN...Until 6 AM MDT Wednesday.

* IMPACTS...Winter driving conditions are expected.

* ADDITIONAL DETAILS...Early season snowfall on roadways may pose a
  significant risk to under-prepared travelers. While minor snow
  accumulations are expected for upper Little and Big Cottonwood
  Canyon, Guardsman Pass will likely see higher snowfall potential.
  If traveling along this route, be prepared for winter driving
  conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For winter road conditions
from the Utah Department of Transportation, visit
http://www.udottraffic.utah.gov.

For graphical depictions of the snowfall forecast, including Official
NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
959 PM MDT Mon Oct 12 2026

UTZ112-132100-
/O.CON.KSLC.WW.Y.0014.000000T0000Z-261014T1200Z/
Western Uinta Mountains-
Including the following locations - Moon Lake and Mirror Lake
Highway
959 PM MDT Mon Oct 12 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY...

* WHAT...Snow. Additional snow accumulations up to 8 to 14 inches,
  especially for elevations above 9,000ft.

* WHERE...Western Uinta Mountains.

* WHEN...Until 6 AM MDT Wednesday.

* IMPACTS...Winter driving conditions are expected.

* ADDITIONAL DETAILS...Seasonal roads such as Bald Mountain Pass
  remain open at this time and may pose a significant risk to
  under-prepared travelers. If traveling along high elevation routes,
  be prepared for periods of accumulating road snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For winter road conditions
from the Utah Department of Transportation, visit
http://www.udottraffic.utah.gov.

For graphical depictions of the snowfall forecast, including Official
NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.

&&

$$

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

For information on potential travel impacts visit
http://udottraffic.utah.gov

MT

Frost Advisory

URGENT - WEATHER MESSAGE
National Weather Service Boise ID
1125 AM MDT Mon Oct 12 2026

IDZ012-014-016-ORZ064-131700-
/O.NEW.KBOI.FR.Y.0002.261013T0600Z-261014T1600Z/
Lower Treasure Valley-Upper Treasure Valley-Western Magic Valley-
Oregon Lower Treasure Valley-
Including the cities of Boise, Caldwell, Twin Falls, Nyssa, Nampa,
and Ontario
1125 AM MDT Mon Oct 12 2026 /1025 AM PDT Mon Oct 12 2026/

...FROST ADVISORY IN EFFECT FROM MIDNIGHT MDT /11 PM PDT/ TONIGHT TO
10 AM MDT /9 AM PDT/ WEDNESDAY...

* WHAT...Low temperatures between 33 and 35 degrees Tuesday and
  Wednesday mornings will result in frost formation. A 40% chance
  temperatures could fall below freezing, 30 to 32 degrees, from
  Mountain Home through the Western Magic Valley on Wednesday
  morning.

* WHERE...Portions of south central and southwest Idaho and southeast
  Oregon.

* WHEN...From midnight MDT /11 PM PDT/ tonight to 10 AM MDT /9 AM
  PDT/ Wednesday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

JDS

Special Weather Statement

Special Weather Statement
National Weather Service Riverton WY
130 PM MDT Mon Oct 12 2026

WYZ002-012-024-131800-
Absaroka Mountains-Teton and Gros Ventre Mountains-
Salt River and Wyoming Ranges-
130 PM MDT Mon Oct 12 2026

...PERIODS OF HIGH ELEVATION SNOWFALL MONDAY AFTERNOON THROUGH
TUESDAY EVENING...

Rounds of precipitation are expected to move across portions of WY
starting Monday afternoon through Tuesday evening. Colder
temperatures should support wet snowfall across the higher
elevations mainly above 9,000 ft.

* WHAT...Periods of light to moderate wet snowfall with total
  snow accumulations of a coating to 3 inches. The highest
  elevations above 10,000 ft may see accumulations of 3 to 6
  inches.

* WHERE...Elevations mainly above 9,000 ft across the Teton, Gros
  Ventre, and Absaroka Ranges.

* WHEN...Monday afternoon through Tuesday evening.

* ADDITIONAL DETAILS...Travel may be difficult in the backcountry
  and especially at higher elevations. Plan accordingly if headed
  into the backcountry for any outdoor activities.

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.

$$