Heavy Rain in the Southeast; Wintry Mix from the Plains through the Ohio Valley

A storm system will bring a number impacts to the central and eastern US. Heavy rain and thunderstorms are expected in the Gulf Coast and Deep South. Further north, a wintry mix may produce a glaze of ice from the Ozarks/Mid-South east through the Ohio Valley. Accumulating snow is expected from the central Plains east into the Upper Ohio Valley/Lower Great Lakes. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

10°F

-12°C

Humidity 78%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Last update 01 Dec 09:00 AM MST
Extended Forecast for

Greybull/S Big Horn Airport WY

  • Today

    Today: Mostly sunny, with a high near 29. Calm wind becoming south southeast 5 to 7 mph in the morning.

    High: 29 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 17. Calm wind becoming southeast around 5 mph.

    Low: 17 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after 11am.  Mostly cloudy, with a high near 35. Light and variable wind.

    High: 35 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly before 11pm.  Mostly cloudy, with a low around 16. North northwest wind 6 to 8 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Snow Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. Northwest wind around 6 mph becoming south in the afternoon.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 10. Southeast wind 5 to 9 mph.

    Low: 10 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 32. South southeast wind 3 to 6 mph.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers after 11pm.  Mostly cloudy, with a low around 14.

    Low: 14 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 29. Calm wind becoming south southeast 5 to 7 mph in the morning.
Tonight
Increasing clouds, with a low around 17. Calm wind becoming southeast around 5 mph.
Tuesday
A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 35. Light and variable wind.
Tuesday Night
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 16. North northwest wind 6 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
Mostly sunny, with a high near 30. Northwest wind around 6 mph becoming south in the afternoon.
Wednesday Night
Mostly clear, with a low around 10. Southeast wind 5 to 9 mph.
Thursday
Mostly sunny, with a high near 32. South southeast wind 3 to 6 mph.
Thursday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 14.
Friday
Partly sunny, with a high near 36.
Friday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 17.
Saturday
A chance of rain and snow showers. Mostly cloudy, with a high near 36.
Saturday Night
A slight chance of snow showers. Mostly cloudy, with a low around 13.
Sunday
Partly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
Greybull/S Big Horn Airport WY
 44.51°N 108.07°W (Elev. 3799 ft)
8:47 am MST Dec 1, 2025
9am MST Dec 1, 2025-6pm MST Dec 7, 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