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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

Jackson, Jackson Hole Airport (KJAC)

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

light snow

28°F

-2°C

Humidity 92%
Wind Speed SW 9 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 27°F (-3°C)
Visibility 9.00 mi
Wind Chill19°F (-7°C)
Last update 07 Dec 11:35 PM MST
Extended Forecast for

Moose WY

  • Tonight

    Tonight: Snow, mainly before 1am. Low around 24. South wind 10 to 14 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 24 °F

    Snow

  • Monday

    Monday: A chance of snow before 8am, then a chance of snow after noon. Mostly cloudy, with a high near 36. Breezy, with a south wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow
    and Breezy

  • Monday Night

    Monday Night: Snow before 2am, then rain and snow. Low around 29. Breezy, with a south southwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 29 °F

    Breezy. Snow
    then
    Rain/Snow

  • Tuesday

    Tuesday: Rain, possibly mixed with snow before 7am, then snow between 7am and 8am, then rain, possibly mixed with snow after 8am. High near 39. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow. Low around 30. Breezy, with a southwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: Rain. High near 43. Breezy, with a southwest wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    High: 43 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 31. Breezy, with a southwest wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    Low: 31 °F

    Rain Likely
    and Breezy

  • Thursday

    Thursday: A 50 percent chance of rain. Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Rain

Detailed Forecast

Tonight
Snow, mainly before 1am. Low around 24. South wind 10 to 14 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
Monday
A chance of snow before 8am, then a chance of snow after noon. Mostly cloudy, with a high near 36. Breezy, with a south wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Monday Night
Snow before 2am, then rain and snow. Low around 29. Breezy, with a south southwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Tuesday
Rain, possibly mixed with snow before 7am, then snow between 7am and 8am, then rain, possibly mixed with snow after 8am. High near 39. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain, possibly mixed with snow. Low around 30. Breezy, with a southwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday
Rain. High near 43. Breezy, with a southwest wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 31. Breezy, with a southwest wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 44.
Thursday Night
A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 26.
Friday
A slight chance of rain and snow before 11am. Partly sunny, with a high near 44. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
A slight chance of rain and snow. Mostly sunny, with a high near 42.
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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 pm MST Dec 7, 2025
Forecast Valid:
11pm MST Dec 7, 2025-6pm MST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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