Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

45°F

7°C

Humidity 33%
Wind Speed S 5 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 30 Jan 12:35 PM MST
Extended Forecast for

Greybull/S Big Horn Airport WY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 44. Southeast wind 3 to 6 mph.

    High: 44 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. East wind around 5 mph becoming calm  after midnight.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 50. Calm wind.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 48. Calm wind becoming south southeast around 6 mph.

    High: 48 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 23. Light and variable wind.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 44. Southeast wind 3 to 6 mph.
Tonight
Mostly cloudy, with a low around 20. East wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 50. Calm wind.
Saturday Night
Partly cloudy, with a low around 20. Calm wind.
Sunday
Partly sunny, with a high near 48. Calm wind becoming south southeast around 6 mph.
Sunday Night
Mostly cloudy, with a low around 23. Light and variable wind.
Monday
Mostly sunny, with a high near 51. Calm wind.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Partly sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 22.
Thursday
Sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Greybull/S Big Horn Airport WY
 44.51°N 108.07°W (Elev. 3799 ft)
11:47 am MST Jan 30, 2026
12pm MST Jan 30, 2026-6pm MST Feb 5, 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