National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

WY28 - South Pass (KSOU)

Lat: 42.47752°NLon: 108.8444°WElev: 8196.0ft.

NA

28°F

-2°C

Humidity 82%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility 1.24 mi
Wind Chill23°F (-5°C)
Last update 26 Dec 04:56 AM MST
Extended Forecast for

22 Miles WSW Lander/Hunt Field WY

  • Overnight

    Overnight: Snow likely. The snow could be heavy at times. Widespread blowing snow. Cloudy, with a steady temperature around 21. Windy, with a southwest wind around 30 mph, with gusts as high as 41 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 21 °F

    Heavy Snow
    and Blowing
    Snow

  • Friday

    Friday: Snow. The snow could be heavy at times. Widespread blowing snow. Temperature rising to near 22 by 8am, then falling to around 14 during the remainder of the day. Wind chill values as low as -10. Very windy, with a southwest wind 32 to 40 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 9 to 13 inches possible.

    High: 22 °F⇓

    Heavy Snow
    and Blowing
    Snow

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times. Widespread blowing snow before 11pm. Low around 7. Wind chill values as low as -15. Windy, with a west wind 28 to 32 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 7 °F

    Heavy Snow
    and Blowing
    Snow then
    Snow Likely
    and Windy

  • Saturday

    Saturday: Snow. High near 9. Wind chill values as low as -25. Windy, with a west southwest wind 29 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 9 °F

    Snow and
    Windy

  • Saturday Night

    Saturday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around -12. Blustery, with a west northwest wind 15 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: -12 °F

    Snow Likely
    and Blustery

  • Sunday

    Sunday: A 20 percent chance of snow before 11am. Sunny and cold, with a high near 1. West northwest wind 11 to 14 mph.

    High: 1 °F

    Slight Chance
    Snow then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -7. Breezy, with a west northwest wind 13 to 16 mph.

    Low: -7 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Monday

    Monday: Sunny, with a high near 11. Breezy.

    High: 11 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 6. Breezy.

    Low: 6 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Overnight
Snow likely. The snow could be heavy at times. Widespread blowing snow. Cloudy, with a steady temperature around 21. Windy, with a southwest wind around 30 mph, with gusts as high as 41 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 3 to 5 inches possible.
Friday
Snow. The snow could be heavy at times. Widespread blowing snow. Temperature rising to near 22 by 8am, then falling to around 14 during the remainder of the day. Wind chill values as low as -10. Very windy, with a southwest wind 32 to 40 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 9 to 13 inches possible.
Friday Night
Snow. The snow could be heavy at times. Widespread blowing snow before 11pm. Low around 7. Wind chill values as low as -15. Windy, with a west wind 28 to 32 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Saturday
Snow. High near 9. Wind chill values as low as -25. Windy, with a west southwest wind 29 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Saturday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around -12. Blustery, with a west northwest wind 15 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday
A 20 percent chance of snow before 11am. Sunny and cold, with a high near 1. West northwest wind 11 to 14 mph.
Sunday Night
Mostly clear, with a low around -7. Breezy, with a west northwest wind 13 to 16 mph.
Monday
Sunny, with a high near 11. Breezy.
Monday Night
Partly cloudy, with a low around 6. Breezy.
Tuesday
Partly sunny, with a high near 18. Blustery.
Tuesday Night
Mostly cloudy, with a low around 10. Blustery.
Wednesday
Mostly sunny, with a high near 19. Blustery.
Wednesday Night
Partly cloudy, with a low around 11. Breezy.
New Year's Day
Mostly cloudy, with a high near 19. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles WSW Lander/Hunt Field WY
 42.7°N 109.14°W (Elev. 11965 ft)
Last Update:
4:02 am MST Dec 26, 2025
Forecast Valid:
5am MST Dec 26, 2025-6pm MST Jan 1, 2026
 
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