Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

55°F

13°C

Humidity 28%
Wind Speed SE 6 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 19 Mar 11:30 PM MDT
Extended Forecast for

Greybull/S Big Horn Airport WY

  • Tonight

    Tonight: Mostly clear, with a low around 40. East wind around 5 mph becoming calm  after midnight.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44. West wind 6 to 13 mph becoming east in the evening. Winds could gust as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Breezy, with a southeast wind 6 to 11 mph becoming west northwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 82 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 40. Breezy, with a northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 30 mph.

    Low: 40 °F

    Slight Chance
    Showers and
    Breezy

  • Sunday

    Sunday: Sunny, with a high near 64. Northwest wind 6 to 8 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. North northeast wind around 6 mph becoming calm  in the evening.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 40. East wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 80. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 44. West wind 6 to 13 mph becoming east in the evening. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 82. Breezy, with a southeast wind 6 to 11 mph becoming west northwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 40. Breezy, with a northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 64. Northwest wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 34. North northeast wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 69.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 73.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 34. Breezy.
Thursday
A slight chance of rain and snow showers. Sunny, with a high near 59. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Greybull/S Big Horn Airport WY
 44.51°N 108.07°W (Elev. 3799 ft)
11:32 pm MDT Mar 19, 2026
11pm MDT Mar 19, 2026-6pm MDT Mar 26, 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