Severe Thunderstorms in the Central U.S.; Heavy to Excessive Rainfall in the Ohio Valley and Central Appalachians

Severe thunderstorms producing damaging winds, hail, and a few tornadoes are expected through Tuesday across parts of the central Plains and lower to mid Missouri Valley. Heavy to excessive rainfall could produce flooding across portions of the Ohio Valley into the Central Appalachians through Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

77°F

25°C

Humidity 38%
Wind Speed NNW 21 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 Jun 07:35 PM MDT
Extended Forecast for

Greybull/S Big Horn Airport WY

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Some of the storms could be severe.  Partly cloudy, with a low around 55. Breezy, with a north northwest wind 16 to 21 mph becoming northwest 5 to 10 mph in the evening. Winds could gust as high as 31 mph.

    Low: 55 °F

    Severe
    Thunderstorms
    and Breezy
    then Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after noon.  Mostly sunny, with a high near 76. Breezy, with a northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Breezy, with a northwest wind 5 to 15 mph becoming east southeast after midnight. Winds could gust as high as 22 mph.

    Low: 52 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. South southeast wind 5 to 7 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. East wind 6 to 8 mph becoming north in the evening.

    Low: 56 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 95. Light southeast wind increasing to 5 to 10 mph in the afternoon.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. East wind 8 to 10 mph becoming north northwest after midnight.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Some of the storms could be severe. Partly cloudy, with a low around 55. Breezy, with a north northwest wind 16 to 21 mph becoming northwest 5 to 10 mph in the evening. Winds could gust as high as 31 mph.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 76. Breezy, with a northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 52. Breezy, with a northwest wind 5 to 15 mph becoming east southeast after midnight. Winds could gust as high as 22 mph.
Wednesday
Sunny, with a high near 88. South southeast wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 56. East wind 6 to 8 mph becoming north in the evening.
Juneteenth
Sunny, with a high near 95. Light southeast wind increasing to 5 to 10 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 58. East wind 8 to 10 mph becoming north northwest after midnight.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 93.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 54. Breezy.
Sunday
A chance of showers. Mostly sunny, with a high near 77.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 48. Breezy.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Greybull/S Big Horn Airport WY
 44.51°N 108.07°W (Elev. 3799 ft)
6:44 pm MDT Jun 16, 2025
7pm MDT Jun 16, 2025-6pm MDT Jun 23, 2025
 
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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