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

Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Powell Municipal Airport (KPOY)

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

Partly Cloudy

41°F

5°C

Humidity 41%
Wind Speed WSW 12 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 08 Dec 03:35 PM MST
Extended Forecast for

Powell WY

  • This Afternoon

    This Afternoon: Mostly cloudy, with a steady temperature around 39. West southwest wind around 6 mph.

    High: 39 °F

    Mostly Cloudy

  • Tonight

    Tonight: Isolated showers after 5am. Mostly cloudy, with a low around 34. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 10%.

    Low: 34 °F

    Mostly Cloudy
    then 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 28 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 28. Northwest wind 5 to 9 mph becoming south southeast after midnight. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 28 °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 46. Southeast wind around 9 mph becoming south southwest in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 46 °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. 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

Detailed Forecast

This Afternoon
Mostly cloudy, with a steady temperature around 39. West southwest wind around 6 mph.
Tonight
Isolated showers after 5am. Mostly cloudy, with a low around 34. South wind 9 to 13 mph, with gusts as high as 23 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 28 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 28. 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 46. 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. 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.
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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:
2:31 pm MST Dec 8, 2025
Forecast Valid:
4pm MST Dec 8, 2025-6pm MST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation