Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

-9°F

-23°C

Humidity 86%
Wind Speed SSE 3 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint -12°F (-24°C)
Visibility 10.00 mi
Last update 20 Feb 05:53 AM MST
Extended Forecast for

Greybull WY

  • Today

    Today: Mostly sunny, with a high near 30. Wind chill values as low as zero. Light and variable wind.

    High: 30 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 2. Wind chill values as low as -5. Light southeast wind.

    Low: 2 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 36. Light south southeast wind.

    High: 36 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 9. Calm wind.

    Low: 9 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 41. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 15. Southeast wind around 6 mph.

    Low: 15 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 50. South southeast wind 3 to 8 mph.

    High: 50 °F

    Partly Sunny

  • Monday Night

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

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 11am.  Mostly cloudy, with a high near 55.

    High: 55 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 30. Wind chill values as low as zero. Light and variable wind.
Tonight
Partly cloudy, with a low around 2. Wind chill values as low as -5. Light southeast wind.
Saturday
Sunny, with a high near 36. Light south southeast wind.
Saturday Night
Partly cloudy, with a low around 9. Calm wind.
Sunday
Mostly sunny, with a high near 41. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 15. Southeast wind around 6 mph.
Monday
Partly sunny, with a high near 50. South southeast wind 3 to 8 mph.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 55.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 24.
Wednesday
A slight chance of rain and snow showers. Mostly sunny, with a high near 52.
Wednesday Night
Mostly clear, with a low around 21.
Thursday
Sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Greybull WY
 44.49°N 108.04°W (Elev. 3973 ft)
5:01 am MST Feb 20, 2026
6am MST Feb 20, 2026-6pm MST Feb 26, 2026
 
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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