Frigid Airmass to Bring Significantly Colder Temperatures; Heavy Lake-effect Snow; Fire Concerns Across the Central Gulf Coast

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Temperatures will tie or break many records across the Southeast through tonight. Moderate to heavy lake effect snow will continue downwind of the Great Lakes. Gusty winds and dry conditions will support an elevated fire weather threat across the Central Gulf Coast. Read More >

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

32°F

0°C

Humidity 69%
Wind Speed NNE 3 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 10 Nov 09:20 AM MST
Extended Forecast for

Greybull/S Big Horn Airport WY

  • Today

    Today: Mostly sunny, with a high near 57. South southeast wind around 6 mph.

    High: 57 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Southeast wind 3 to 6 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Veterans Day

    Veterans Day: Sunny, with a high near 60. Calm wind.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 30. Calm wind becoming southeast around 5 mph after midnight.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 59. Southeast wind 5 to 7 mph.

    High: 59 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. Southeast wind around 7 mph.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64. Breezy, with a south southeast wind 7 to 15 mph, with gusts as high as 21 mph.

    High: 64 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. Breezy.

    Low: 37 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: A chance of rain showers before 11am, then a chance of rain and snow showers.  Mostly cloudy, with a high near 52. Chance of precipitation is 40%.

    High: 52 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Mostly sunny, with a high near 57. South southeast wind around 6 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Southeast wind 3 to 6 mph.
Veterans Day
Sunny, with a high near 60. Calm wind.
Tuesday Night
Mostly clear, with a low around 30. Calm wind becoming southeast around 5 mph after midnight.
Wednesday
Partly sunny, with a high near 59. Southeast wind 5 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 31. Southeast wind around 7 mph.
Thursday
Mostly sunny, with a high near 64. Breezy, with a south southeast wind 7 to 15 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 37. Breezy.
Friday
A chance of rain showers before 11am, then a chance of rain and snow showers. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow showers, mainly before 11pm. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 45.
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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 Nov 10, 2025
9am MST Nov 10, 2025-6pm MST Nov 16, 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