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

65°F

18°C

Humidity 21%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 20 Mar 08:53 PM MDT
Extended Forecast for

20 Miles NNE Greybull/S Big Horn Airport WY

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Northwest wind 8 to 11 mph becoming southeast after midnight.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61. Breezy, with an east southeast wind 11 to 21 mph becoming west in the afternoon. Winds could gust as high as 29 mph.

    High: 61 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Rain showers likely before midnight, then rain and snow showers likely between midnight and 3am, then snow showers likely after 3am.  Snow level 9800 feet lowering to 7500 feet after midnight . Mostly cloudy, with a low around 35. Breezy, with a west northwest wind 16 to 21 mph becoming north 9 to 14 mph after midnight. Winds could gust as high as 29 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 35 °F

    Showers
    Likely and
    Breezy then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Isolated snow showers before noon.  Sunny, with a high near 44. North wind 6 to 8 mph becoming west in the afternoon.  Chance of precipitation is 20%.

    High: 44 °F

    Isolated Snow
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. West northwest wind around 6 mph becoming southeast in the evening.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 49. South southeast wind around 6 mph becoming west northwest in the afternoon.

    High: 49 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. Northwest wind 7 to 9 mph becoming north northeast after midnight.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. Northwest wind 8 to 11 mph becoming southeast after midnight.
Saturday
Mostly sunny, with a high near 61. Breezy, with an east southeast wind 11 to 21 mph becoming west in the afternoon. Winds could gust as high as 29 mph.
Saturday Night
Rain showers likely before midnight, then rain and snow showers likely between midnight and 3am, then snow showers likely after 3am. Snow level 9800 feet lowering to 7500 feet after midnight . Mostly cloudy, with a low around 35. Breezy, with a west northwest wind 16 to 21 mph becoming north 9 to 14 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Isolated snow showers before noon. Sunny, with a high near 44. North wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 34. West northwest wind around 6 mph becoming southeast in the evening.
Monday
Partly sunny, with a high near 49. South southeast wind around 6 mph becoming west northwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 38. Northwest wind 7 to 9 mph becoming north northeast after midnight.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 61. Breezy.
Wednesday Night
A chance of rain and snow showers. Snow level 9400 feet lowering to 7500 feet after midnight . Mostly cloudy, with a low around 30. Breezy.
Thursday
A chance of snow showers. Mostly sunny, with a high near 38. Breezy.
Thursday Night
A slight chance of snow showers. Partly cloudy, with a low around 25. Blustery.
Friday
Sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles NNE Greybull/S Big Horn Airport WY
 44.8°N 107.96°W (Elev. 7539 ft)
8:34 pm MDT Mar 20, 2026
9pm MDT Mar 20, 2026-6pm MDT Mar 27, 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