National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

28°F

-2°C

Humidity 58%
Wind Speed N 0 MPH
Barometer 30.4 in (1029.46 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 30 Dec 11:35 AM MST
Extended Forecast for

20 Miles NNE Greybull/S Big Horn Airport WY

  • Today

    Today: Sunny, with a high near 32. West wind around 7 mph.

    High: 32 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. South wind around 9 mph becoming northeast after midnight.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 40. South southeast wind around 8 mph.

    High: 40 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. South wind around 9 mph.

    Low: 31 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 38. South southwest wind around 7 mph.

    High: 38 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. South wind around 7 mph.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 37. South southwest wind 7 to 9 mph.

    High: 37 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 32. West wind around 7 mph.
Tonight
Mostly clear, with a low around 28. South wind around 9 mph becoming northeast after midnight.
Wednesday
Sunny, with a high near 40. South southeast wind around 8 mph.
Wednesday Night
Mostly cloudy, with a low around 31. South wind around 9 mph.
New Year's Day
Mostly cloudy, with a high near 38. South southwest wind around 7 mph.
Thursday Night
Mostly cloudy, with a low around 30. South wind around 7 mph.
Friday
Partly sunny, with a high near 37. South southwest wind 7 to 9 mph.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Partly sunny, with a high near 39.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles NNE Greybull/S Big Horn Airport WY
 44.8°N 107.96°W (Elev. 7539 ft)
Last Update:
10:18 am MST Dec 30, 2025
Forecast Valid:
11am MST Dec 30, 2025-6pm MST Jan 5, 2026
 
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Additional Resources

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