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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

69°F

21°C

Humidity 28%
Wind Speed NNW 5 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 03 Oct 06:53 PM MDT
Extended Forecast for

Greybull/S Big Horn Airport WY

  • Tonight

    Tonight: Mostly clear, with a low around 43. North wind around 6 mph becoming calm.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80. Calm wind becoming southeast around 6 mph.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. Light and variable wind.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85. Southeast wind around 6 mph becoming calm in the afternoon.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. Light north northwest wind.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 43. North wind around 6 mph becoming calm.
Sunday
Sunny, with a high near 80. Calm wind becoming southeast around 6 mph.
Sunday Night
Mostly clear, with a low around 45. Light and variable wind.
Monday
Sunny, with a high near 85. Southeast wind around 6 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 49. Calm wind.
Tuesday
Sunny, with a high near 82. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 48. Light north northwest wind.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greybull/S Big Horn Airport WY
 44.51°N 108.07°W (Elev. 3799 ft)
Last Update:
6:32 pm MDT Oct 3, 2026
Forecast Valid:
7pm MDT Oct 3, 2026-6pm MDT Oct 10, 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