Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Mostly Cloudy

58°F

14°C

Humidity 86%
Wind Speed WNW 14 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Jul 10:22 PM MDT
Extended Forecast for

13 Miles NNE Greybull/S Big Horn Airport WY

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 53. North northwest wind 8 to 11 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 10am.  Cloudy, then gradually becoming mostly sunny, with a high near 68. West wind 8 to 10 mph.  Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. West northwest wind 6 to 8 mph becoming east southeast after midnight.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. East southeast wind 8 to 10 mph becoming west in the afternoon.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. West wind 6 to 9 mph becoming east after midnight.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 85. East wind 6 to 9 mph becoming west in the afternoon.

    High: 85 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 62. North northwest wind 7 to 9 mph becoming east southeast after midnight.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 88.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm. Cloudy, with a low around 53. North northwest wind 8 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and thunderstorms likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 68. West wind 8 to 10 mph. Chance of precipitation is 60%.
Wednesday Night
Mostly clear, with a low around 56. West northwest wind 6 to 8 mph becoming east southeast after midnight.
Thursday
Sunny, with a high near 85. East southeast wind 8 to 10 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 62. West wind 6 to 9 mph becoming east after midnight.
Friday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. East wind 6 to 9 mph becoming west in the afternoon.
Friday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62. North northwest wind 7 to 9 mph becoming east southeast after midnight.
Saturday
A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 62.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 87.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNE Greybull/S Big Horn Airport WY
 44.69°N 107.95°W (Elev. 5000 ft)
7:28 pm MDT Jul 15, 2025
10pm MDT Jul 15, 2025-6pm MDT Jul 22, 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