Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

84°F

29°C

Humidity 20%
Wind Speed WNW 16 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 02 Aug 06:21 PM MDT
Extended Forecast for

Shell WY

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Breezy, with a west northwest wind 11 to 16 mph becoming northeast 5 to 10 mph in the evening. Winds could gust as high as 23 mph.  Chance of precipitation is 20%.

    Low: 59 °F

    Isolated
    T-storms and
    Breezy then
    Mostly Clear

  • Sunday

    Sunday: Isolated showers and thunderstorms between noon and 5pm.  Sunny, with a high near 85. Calm wind becoming west northwest around 6 mph in the afternoon.  Chance of precipitation is 20%.

    High: 85 °F

    Sunny then
    Isolated
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. East northeast wind 5 to 9 mph becoming light and variable  after midnight.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 95. Light and variable wind becoming south 5 to 9 mph in the morning.

    High: 95 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. South wind 5 to 9 mph becoming north northeast after midnight.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 90. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. North northwest wind 6 to 9 mph becoming east northeast after midnight.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Breezy, with a west northwest wind 11 to 16 mph becoming northeast 5 to 10 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Sunday
Isolated showers and thunderstorms between noon and 5pm. Sunny, with a high near 85. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 60. East northeast wind 5 to 9 mph becoming light and variable after midnight.
Monday
Mostly sunny, with a high near 95. Light and variable wind becoming south 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 59. South wind 5 to 9 mph becoming north northeast after midnight.
Tuesday
Sunny, with a high near 90. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 60. North northwest wind 6 to 9 mph becoming east northeast after midnight.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 94.
Thursday Night
Mostly cloudy, with a low around 61.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 88.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Shell WY
 44.53°N 107.8°W (Elev. 4190 ft)
4:44 pm MDT Aug 2, 2025
6pm MDT Aug 2, 2025-6pm MDT Aug 9, 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