Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

South Big Horn County Airport (KGEY)

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

Mostly Cloudy

34°F

1°C

Humidity 66%
Wind Speed E 3 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 29 Jan 10:53 AM MST
Extended Forecast for

Greybull/S Big Horn Airport WY

  • Today

    Today: Mostly sunny, with a high near 39. East southeast wind 3 to 5 mph.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. Light southeast wind.

    Low: 18 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 42. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 42 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21. Southeast wind 3 to 5 mph.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 46. Calm wind.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 19. Light east southeast wind.

    Low: 19 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 47. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 47 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 39. East southeast wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 18. Light southeast wind.
Friday
Partly sunny, with a high near 42. Calm wind becoming south southeast around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 21. Southeast wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 46. Calm wind.
Saturday Night
Partly cloudy, with a low around 19. Light east southeast wind.
Sunday
Partly sunny, with a high near 47. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Mostly clear, with a low around 19.
Wednesday
Mostly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Greybull/S Big Horn Airport WY
 44.51°N 108.07°W (Elev. 3799 ft)
10:47 am MST Jan 29, 2026
11am MST Jan 29, 2026-6pm MST Feb 4, 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