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

61°F

16°C

Humidity 27%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 20 Mar 10:53 AM MDT
Extended Forecast for

Greybull WY

  • Today

    Today: Sunny, with a high near 79. Light and variable wind becoming southwest 6 to 11 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 43. West southwest wind 6 to 11 mph becoming east in the evening.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Breezy, with a southeast wind 5 to 10 mph becoming west northwest 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 81 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 40. Breezy, with a northwest wind 15 to 20 mph decreasing to 8 to 13 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 63. Northwest wind 5 to 7 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. North northeast wind around 6 mph becoming calm  in the evening.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 68. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Monday Night

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

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 79. Light and variable wind becoming southwest 6 to 11 mph in the afternoon.
Tonight
Partly cloudy, with a low around 43. West southwest wind 6 to 11 mph becoming east in the evening.
Saturday
Mostly sunny, with a high near 81. Breezy, with a southeast wind 5 to 10 mph becoming west northwest 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 40. Breezy, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 63. Northwest wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 33. North northeast wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 68. Calm wind becoming north northeast around 5 mph in the afternoon.
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 43.
Wednesday
Mostly sunny, with a high near 80. Breezy.
Wednesday Night
Partly cloudy, with a low around 34. Breezy.
Thursday
Sunny, with a high near 58. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Greybull WY
 44.49°N 108.04°W (Elev. 3973 ft)
10:03 am MDT Mar 20, 2026
11am 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