Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

91°F

33°C

Humidity 16%
Wind Speed N 0 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 18 Jul 05:35 PM MDT
Extended Forecast for

Greybull/S Big Horn Airport WY

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 9pm.  Mostly cloudy, with a low around 59. East wind 5 to 9 mph becoming calm.  Chance of precipitation is 30%.

    Low: 59 °F

    Scattered
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 95. Southeast wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. Southwest wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 22 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59. West wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 94. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 94 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 58.

    Low: 58 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 59. East wind 5 to 9 mph becoming calm. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 95. Southeast wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Saturday Night
Mostly clear, with a low around 58. Southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Sunday
Sunny, with a high near 96. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 59. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Monday
Mostly sunny, with a high near 94. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 58. North wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.
Wednesday
A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 94.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Greybull/S Big Horn Airport WY
 44.51°N 108.07°W (Elev. 3799 ft)
5:28 pm MDT Jul 18, 2025
5pm MDT Jul 18, 2025-6pm MDT Jul 25, 2025
 
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Additional Resources

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Hourly Weather Forecast

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