National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

43°F

6°C

Humidity 38%
Wind Speed S 3 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 28 Feb 09:20 AM MST
Extended Forecast for

Greybull/S Big Horn Airport WY

  • Today

    Today: Sunny, with a high near 58. Calm wind becoming north around 6 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. North northeast wind around 7 mph becoming northwest in the evening.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 57. Northwest wind around 5 mph becoming calm in the morning.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. Light east wind.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 59. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 59 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. North northwest wind around 6 mph becoming calm in the evening.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 60. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 58. Calm wind becoming north around 6 mph.
Tonight
Mostly cloudy, with a low around 25. North northeast wind around 7 mph becoming northwest in the evening.
Sunday
Mostly sunny, with a high near 57. Northwest wind around 5 mph becoming calm in the morning.
Sunday Night
Mostly cloudy, with a low around 32. Light east wind.
Monday
A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 59. Calm wind becoming north northwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 28. North northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 60. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 29.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 31.
Thursday
A chance of showers. Mostly cloudy, with a high near 51. Breezy.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greybull/S Big Horn Airport WY
 44.51°N 108.07°W (Elev. 3799 ft)
Last Update:
9:32 am MST Feb 28, 2026
Forecast Valid:
9am MST Feb 28, 2026-6pm MST Mar 6, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation