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 >

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

39°F

4°C

Humidity 48%
Wind Speed WNW 12 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 28 Feb 08:20 PM MST
Extended Forecast for

Greybull WY

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. West northwest wind 5 to 7 mph.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 59. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 59 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 30. North northwest wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 60. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29. Southeast wind 7 to 10 mph.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 25. West northwest wind 5 to 7 mph.
Sunday
Mostly sunny, with a high near 56. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 32. Light east wind.
Monday
Mostly cloudy, with a high near 59. Calm wind becoming north northwest around 6 mph in the afternoon.
Monday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 30. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 60. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 29. Southeast wind 7 to 10 mph.
Wednesday
Mostly cloudy, with a high near 59.
Wednesday Night
A 40 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 30.
Thursday
A 50 percent chance of showers. Cloudy, with a high near 50.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 22.
Saturday
A slight chance of showers. Sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greybull WY
 44.49°N 108.04°W (Elev. 3973 ft)
Last Update:
7:48 pm MST Feb 28, 2026
Forecast Valid:
8pm MST Feb 28, 2026-6pm MST Mar 7, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation