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

Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Jackson, Jackson Hole Airport (KJAC)

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

light snow

37°F

3°C

Humidity 81%
Wind Speed SW 18 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 32°F (0°C)
Visibility 9.00 mi
Wind Chill27°F (-3°C)
Last update 09 Dec 04:56 AM MST
Extended Forecast for

Jackson WY

  • Overnight

    Overnight: Rain and snow. Steady temperature around 38. Breezy, with a south wind around 20 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 38 °F

    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: Rain and snow. High near 44. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain and snow before 2am, then rain between 2am and 5am, then rain, possibly mixed with snow after 5am. Low around 36. Breezy, with a south wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, becoming all rain after 7am. High near 47. Breezy, with a south southwest wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow and
    Breezy then
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 30. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 26 mph.

    Low: 30 °F

    Slight Chance
    Rain and
    Breezy

  • Thursday

    Thursday: A slight chance of rain before 8am, then a slight chance of rain and snow between 8am and 11am, then a slight chance of rain after 11am. Partly sunny, with a high near 47. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 47 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A slight chance of rain, mixing with snow after 8pm, then gradually ending. Mostly cloudy, with a low around 30. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Rain and snow. Steady temperature around 38. Breezy, with a south wind around 20 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday
Rain and snow. High near 44. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Rain and snow before 2am, then rain between 2am and 5am, then rain, possibly mixed with snow after 5am. Low around 36. Breezy, with a south wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Rain, possibly mixed with snow, becoming all rain after 7am. High near 47. Breezy, with a south southwest wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 30. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 26 mph.
Thursday
A slight chance of rain before 8am, then a slight chance of rain and snow between 8am and 11am, then a slight chance of rain after 11am. Partly sunny, with a high near 47. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of rain, mixing with snow after 8pm, then gradually ending. Mostly cloudy, with a low around 30. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 46.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Partly cloudy, with a low around 22.
Monday
A slight chance of rain and snow showers. Partly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jackson WY
 43.49°N 110.75°W (Elev. 6329 ft)
Last Update:
5:01 am MST Dec 9, 2025
Forecast Valid:
5am MST Dec 9, 2025-6pm MST Dec 15, 2025
 
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