Heavy Snow from the Midwest into the Great Lakes; Locally Heavy Rain in the Western Gulf Coast

A significant winter storm will produce a broad area of moderate to heavy snow from the Midwest through the western Great Lakes. Significant snow accumulations of 6-12 inches, and locally more than 1 foot, and gusty wind may cause hazardous travel conditions. Thunderstorms, some severe, and showers may produce locally heavy rain and isolated flash flooding along the western Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Powell Municipal Airport (KPOY)

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

Clear

9°F

-13°C

Humidity 78%
Wind Speed SSE 11 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill-5°F (-21°C)
Last update 29 Nov 08:55 PM MST
Extended Forecast for

3 Miles SSW Ralston WY

  • Tonight

    Tonight: Mostly cloudy, with a low around 7. Wind chill values as low as zero. East southeast wind around 6 mph becoming calm  after midnight.

    Low: 7 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 25. Light and variable wind becoming north around 6 mph in the morning.

    High: 25 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 10. West southwest wind 6 to 8 mph.

    Low: 10 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 31. South southwest wind around 7 mph becoming east southeast in the morning.

    High: 31 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 19. South southwest wind 8 to 10 mph.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after 11am.  Mostly cloudy, with a high near 36. South southwest wind 5 to 8 mph becoming north in the afternoon.

    High: 36 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow showers.  Mostly cloudy, with a low around 18. North wind 6 to 10 mph.

    Low: 18 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 7. Wind chill values as low as zero. East southeast wind around 6 mph becoming calm after midnight.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 25. Light and variable wind becoming north around 6 mph in the morning.
Sunday Night
Mostly clear, with a low around 10. West southwest wind 6 to 8 mph.
Monday
Sunny, with a high near 31. South southwest wind around 7 mph becoming east southeast in the morning.
Monday Night
Mostly cloudy, with a low around 19. South southwest wind 8 to 10 mph.
Tuesday
A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 36. South southwest wind 5 to 8 mph becoming north in the afternoon.
Tuesday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 18. North wind 6 to 10 mph.
Wednesday
Mostly sunny, with a high near 30.
Wednesday Night
Partly cloudy, with a low around 14.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
A slight chance of snow showers. Mostly cloudy, with a low around 20.
Friday
A slight chance of rain and snow showers. Partly sunny, with a high near 39.
Friday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 25.
Saturday
A chance of rain and snow showers. Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Ralston WY
 44.73°N 108.92°W (Elev. 4747 ft)
9:01 pm MST Nov 29, 2025
9pm MST Nov 29, 2025-6pm MST Dec 6, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database