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

Powell Municipal Airport (KPOY)

Lat: 44.8672°NLon: 108.7934°WElev: 5092.0ft.

Clear

45°F

7°C

Humidity 45%
Wind Speed WSW 19 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 08 Dec 11:35 PM MST
Extended Forecast for

Powell WY

  • Tonight

    Tonight: Isolated showers after 5am. Mostly cloudy, with a steady temperature around 39. South wind 10 to 13 mph. Chance of precipitation is 10%.

    Low: 39 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly between 11am and 5pm. Partly sunny, with a high near 48. Breezy, with a west northwest wind 5 to 10 mph becoming north northwest 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%.

    High: 48 °F

    Scattered
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 29. Northwest wind 5 to 9 mph becoming south southeast after midnight. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Snow showers likely before 8am, then rain and snow showers likely between 8am and 11am, then a chance of rain showers after 11am. Mostly cloudy, with a high near 45. Southeast wind around 9 mph becoming south southwest in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    Likely then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 33. South southwest wind 6 to 8 mph.

    Low: 33 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of rain and snow showers. Mostly cloudy, with a high near 49. South wind 8 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 50%.

    High: 49 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 11pm, then a chance of snow showers. Mostly cloudy, with a low around 14. North northwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 14 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Friday

    Friday: A 30 percent chance of snow showers, mainly before 11am. Mostly cloudy, with a high near 32.

    High: 32 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Isolated showers after 5am. Mostly cloudy, with a steady temperature around 39. South wind 10 to 13 mph. Chance of precipitation is 10%.
Tuesday
Scattered showers, mainly between 11am and 5pm. Partly sunny, with a high near 48. Breezy, with a west northwest wind 5 to 10 mph becoming north northwest 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
Tuesday Night
A slight chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 29. Northwest wind 5 to 9 mph becoming south southeast after midnight. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
Snow showers likely before 8am, then rain and snow showers likely between 8am and 11am, then a chance of rain showers after 11am. Mostly cloudy, with a high near 45. Southeast wind around 9 mph becoming south southwest in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 33. South southwest wind 6 to 8 mph.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 49. South wind 8 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow showers before 11pm, then a chance of snow showers. Mostly cloudy, with a low around 14. North northwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Friday
A 30 percent chance of snow showers, mainly before 11am. Mostly cloudy, with a high near 32.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Powell WY
 44.79°N 108.75°W (Elev. 4370 ft)
Last Update:
10:31 pm MST Dec 8, 2025
Forecast Valid:
11pm MST Dec 8, 2025-6pm MST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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