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

Jackson, Jackson Hole Airport (KJAC)

Lat: 43.6°NLon: 110.73333°WElev: 6450.0ft.

Rain

36°F

2°C

Humidity 81%
Wind Speed S 12 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 26 Dec 01:56 AM MST
Extended Forecast for

Jackson WY

Winter Weather Advisory December 26, 05:00am until December 26, 11:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A 50 percent chance of snow. Mostly cloudy, with a low around 25. Breezy, with a south wind around 17 mph, with gusts as high as 24 mph. Total nighttime snow accumulation of less than one inch possible.

    Low: 25 °F

    Chance Snow
    and Breezy

  • Friday

    Friday: Snow, mainly before 5pm. Some thunder is also possible. Patchy blowing snow between 2pm and 3pm. High near 34. Breezy, with a south wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 34 °F

    Snow and
    Patchy
    Blowing Snow

  • Friday Night

    Friday Night: Snow, mainly after 11pm. Low around 23. Breezy, with a south southwest wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 23 °F

    Snow and
    Breezy

  • Saturday

    Saturday: Snow. Some thunder is also possible. High near 25. Breezy, with a west southwest wind 15 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 25 °F

    Snow and
    Breezy

  • Saturday Night

    Saturday Night: Snow likely before 11pm. Partly cloudy, with a low around 2. West wind 6 to 11 mph becoming north after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 2 °F

    Snow Likely
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 16. Light and variable wind becoming west around 6 mph in the morning.

    High: 16 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 2. North northwest wind around 5 mph becoming east northeast after midnight.

    Low: 2 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 24.

    High: 24 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

Detailed Forecast

Overnight
A 50 percent chance of snow. Mostly cloudy, with a low around 25. Breezy, with a south wind around 17 mph, with gusts as high as 24 mph. Total nighttime snow accumulation of less than one inch possible.
Friday
Snow, mainly before 5pm. Some thunder is also possible. Patchy blowing snow between 2pm and 3pm. High near 34. Breezy, with a south wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow, mainly after 11pm. Low around 23. Breezy, with a south southwest wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday
Snow. Some thunder is also possible. High near 25. Breezy, with a west southwest wind 15 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Snow likely before 11pm. Partly cloudy, with a low around 2. West wind 6 to 11 mph becoming north after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday
Sunny, with a high near 16. Light and variable wind becoming west around 6 mph in the morning.
Sunday Night
Mostly clear, with a low around 2. North northwest wind around 5 mph becoming east northeast after midnight.
Monday
Sunny, with a high near 24.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Sunny, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 19.
New Year's Day
A slight chance of snow. Partly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jackson WY
 43.46°N 110.75°W (Elev. 7185 ft)
Last Update:
1:48 am MST Dec 26, 2025
Forecast Valid:
2am MST Dec 26, 2025-6pm MST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation