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.

Overcast

33°F

1°C

Humidity 88%
Wind Speed N 0 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 24 Dec 11:56 AM MST
Extended Forecast for

Moose WY

  • This Afternoon

    This Afternoon: Showers likely, mainly after 3pm. Increasing clouds, with a high near 43. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 43 °F

    Showers
    Likely

  • Tonight

    Tonight: Rain showers before 5am, then rain, possibly mixed with snow showers. Low around 33. Breezy, with a south southwest wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 33 °F

    Showers then
    Rain/Snow and
    Breezy

  • Christmas Day

    Christmas Day: Rain showers likely before 2pm, then scattered rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 42. Breezy, with a south wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 42 °F

    Breezy.
    Showers
    Likely then
    Scattered
    Rain/Snow

  • Thursday Night

    Thursday Night: Snow showers, possibly mixed with rain. Some thunder is also possible. Low around 29. South southwest wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow

  • Friday

    Friday: Snow showers. Some thunder is also possible. High near 39. Breezy, with a southwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 39 °F

    Snow Showers
    and Breezy

  • Friday Night

    Friday Night: Snow showers. Low around 19. Southwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.

    Low: 19 °F

    Snow Showers

  • Saturday

    Saturday: Snow showers. Some thunder is also possible. High near 30. Breezy, with a southwest wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.

    High: 30 °F

    Snow Showers
    and Breezy

  • Saturday Night

    Saturday Night: A 40 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 2.

    Low: 2 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 24.

    High: 24 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely, mainly after 3pm. Increasing clouds, with a high near 43. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain showers before 5am, then rain, possibly mixed with snow showers. Low around 33. Breezy, with a south southwest wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Christmas Day
Rain showers likely before 2pm, then scattered rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 42. Breezy, with a south wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Snow showers, possibly mixed with rain. Some thunder is also possible. Low around 29. South southwest wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Friday
Snow showers. Some thunder is also possible. High near 39. Breezy, with a southwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Friday Night
Snow showers. Low around 19. Southwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.
Saturday
Snow showers. Some thunder is also possible. High near 30. Breezy, with a southwest wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Saturday Night
A 40 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 2.
Sunday
Sunny, with a high near 24.
Sunday Night
Mostly clear, with a low around 3.
Monday
Sunny, with a high near 31.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Mostly sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Moose WY
 43.66°N 110.72°W (Elev. 6509 ft)
Last Update:
11:47 am MST Dec 24, 2025
Forecast Valid:
12pm MST Dec 24, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation