Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

42°F

6°C

Humidity 48%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 20 Mar 06:53 AM MDT
Extended Forecast for

4 Miles N Greybull/S Big Horn Airport WY

  • Today

    Today: Sunny, with a high near 76. Breezy, with a southeast wind 7 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 76 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Breezy, with a west southwest wind 10 to 16 mph becoming east southeast in the evening. Winds could gust as high as 24 mph.

    Low: 48 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77. Windy, with a south southeast wind 9 to 14 mph becoming west northwest 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 77 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Windy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 42. Windy, with a northwest wind 20 to 25 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 38 mph.

    Low: 42 °F

    Slight Chance
    Showers and
    Windy

  • Sunday

    Sunday: Sunny, with a high near 59. Northwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37. North northeast wind 5 to 8 mph becoming southeast after midnight.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 65. Light and variable wind becoming north northeast 5 to 7 mph in the morning.

    High: 65 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 76. Breezy, with a southeast wind 7 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.
Tonight
Partly cloudy, with a low around 48. Breezy, with a west southwest wind 10 to 16 mph becoming east southeast in the evening. Winds could gust as high as 24 mph.
Saturday
Mostly sunny, with a high near 77. Windy, with a south southeast wind 9 to 14 mph becoming west northwest 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 42. Windy, with a northwest wind 20 to 25 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 38 mph.
Sunday
Sunny, with a high near 59. Northwest wind 7 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 37. North northeast wind 5 to 8 mph becoming southeast after midnight.
Monday
Partly sunny, with a high near 65. Light and variable wind becoming north northeast 5 to 7 mph in the morning.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 69.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 76. Breezy.
Wednesday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 37. Breezy.
Thursday
A slight chance of rain and snow showers. Sunny, with a high near 54. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Greybull/S Big Horn Airport WY
 44.58°N 108.08°W (Elev. 4800 ft)
6:47 am MDT Mar 20, 2026
7am MDT Mar 20, 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