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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Overcast

50°F

10°C

Humidity 43%
Wind Speed SSE 17 MPH
Barometer 29.15 in (987.13 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 17 Feb 07:00 AM MST
Extended Forecast for

4 Miles N Greybull/S Big Horn Airport WY

  • Today

    Today: A slight chance of rain and snow before 9am, then a chance of snow between 9am and 3pm. Partly sunny, with a high near 54. Windy, with a west southwest wind 17 to 22 mph becoming west 24 to 29 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 54 °F

    Chance
    Rain/Snow and
    Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 24. Breezy, with a west wind 16 to 21 mph becoming east southeast 8 to 13 mph in the evening. Winds could gust as high as 31 mph.

    Low: 24 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow after 11am. Partly sunny, with a high near 37. Breezy, with an east southeast wind 9 to 14 mph becoming northwest 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow. Low around 10. Wind chill values as low as zero. Windy, with a northwest wind 23 to 28 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 10 °F

    Snow and
    Windy

  • Thursday

    Thursday: A 30 percent chance of snow before 11am. Partly sunny, with a high near 24. West wind around 8 mph becoming south southeast in the afternoon. New snow accumulation of less than a half inch possible.

    High: 24 °F

    Chance Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 5. South southeast wind 6 to 8 mph.

    Low: 5 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 28. South southeast wind around 7 mph.

    High: 28 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

Detailed Forecast

Today
A slight chance of rain and snow before 9am, then a chance of snow between 9am and 3pm. Partly sunny, with a high near 54. Windy, with a west southwest wind 17 to 22 mph becoming west 24 to 29 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tonight
Partly cloudy, with a low around 24. Breezy, with a west wind 16 to 21 mph becoming east southeast 8 to 13 mph in the evening. Winds could gust as high as 31 mph.
Wednesday
A 30 percent chance of snow after 11am. Partly sunny, with a high near 37. Breezy, with an east southeast wind 9 to 14 mph becoming northwest 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. Low around 10. Wind chill values as low as zero. Windy, with a northwest wind 23 to 28 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Thursday
A 30 percent chance of snow before 11am. Partly sunny, with a high near 24. West wind around 8 mph becoming south southeast in the afternoon. New snow accumulation of less than a half inch possible.
Thursday Night
Partly cloudy, with a low around 5. South southeast wind 6 to 8 mph.
Friday
Partly sunny, with a high near 28. South southeast wind around 7 mph.
Friday Night
Partly cloudy, with a low around 7.
Saturday
Sunny, with a high near 31.
Saturday Night
Mostly clear, with a low around 9.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Greybull/S Big Horn Airport WY
 44.58°N 108.08°W (Elev. 4800 ft)
Last Update:
6:17 am MST Feb 17, 2026
Forecast Valid:
7am MST Feb 17, 2026-6pm MST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation