Heavy Snow in the Northern Plains and Upper Midwest; Severe Thunderstorms in the Southern U.S.

In the north-central U.S., a storm will bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest today before moving across the Great Lakes with heavy lake effect snow Wednesday into Thanksgiving Day. Isolated severe thunderstorms are likely across parts of the Southeast/Deep South, mainly from this morning into early evening. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

Lat: 44.5174°NLon: 108.0752°WElev: 3934.0ft.

Clear

23°F

-5°C

Humidity 79%
Wind Speed WNW 5 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 25 Nov 08:20 AM MST
Extended Forecast for

Greybull WY

  • Today

    Today: Sunny, with a high near 37. West northwest wind 5 to 9 mph becoming southeast in the afternoon.

    High: 37 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 17. East southeast wind around 5 mph becoming calm  in the evening.

    Low: 17 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 39. Calm wind.

    High: 39 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Partly sunny, with a high near 44. Light southeast wind.

    High: 44 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 22. Calm wind becoming west around 5 mph after midnight.

    Low: 22 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain and snow showers, mainly after 11am.  Partly sunny, with a high near 41. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 40%.

    High: 41 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Snow showers likely, mainly before 11pm.  Mostly cloudy, with a low around 16. Chance of precipitation is 60%.

    Low: 16 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of snow showers.  Mostly cloudy, with a high near 31.

    High: 31 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Sunny, with a high near 37. West northwest wind 5 to 9 mph becoming southeast in the afternoon.
Tonight
Increasing clouds, with a low around 17. East southeast wind around 5 mph becoming calm in the evening.
Wednesday
Mostly cloudy, with a high near 39. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 21. Calm wind.
Thanksgiving Day
Partly sunny, with a high near 44. Light southeast wind.
Thursday Night
Mostly cloudy, with a low around 22. Calm wind becoming west around 5 mph after midnight.
Friday
A chance of rain and snow showers, mainly after 11am. Partly sunny, with a high near 41. Northwest wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Friday Night
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 16. Chance of precipitation is 60%.
Saturday
A 30 percent chance of snow showers. Mostly cloudy, with a high near 31.
Saturday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 8.
Sunday
A chance of snow showers. Partly sunny, with a high near 22.
Sunday Night
Mostly cloudy, with a low around 2.
Monday
Mostly sunny, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
Greybull WY
 44.49°N 108.04°W (Elev. 3973 ft)
8:31 am MST Nov 25, 2025
8am MST Nov 25, 2025-6pm MST Dec 1, 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