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

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

36°F

2°C

Humidity 55%
Wind Speed SSE 6 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 15 Apr 06:35 AM MDT
Extended Forecast for

Greybull/S Big Horn Airport WY

  • Today

    Today: Mostly sunny, with a high near 69. Breezy, with a south southeast wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 69 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Tonight

    Tonight: Isolated showers between 3am and 5am. Cloudy, then gradually becoming partly cloudy, with a low around 38. Southwest wind 8 to 14 mph becoming southeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Thursday

    Thursday: Rain showers before 3pm, then rain and snow showers. Some thunder is also possible. High near 53. Breezy, with a northwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 53 °F

    Showers
    Likely then
    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Rain and snow showers likely, becoming all snow after 9pm. Mostly cloudy, with a low around 27. Blustery, with a north northwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Blustery.
    Rain/Snow
    Likely then
    Scattered
    Snow Showers

  • Friday

    Friday: Scattered snow showers. Partly sunny, with a high near 46. Breezy, with a north northwest wind 10 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Scattered
    Snow Showers
    and Breezy

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 23. Blustery, with a north wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 29 mph.

    Low: 23 °F

    Slight Chance
    Snow Showers
    and Blustery
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 54. Light south southeast wind becoming southeast 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 69. Breezy, with a south southeast wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.
Tonight
Isolated showers between 3am and 5am. Cloudy, then gradually becoming partly cloudy, with a low around 38. Southwest wind 8 to 14 mph becoming southeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Thursday
Rain showers before 3pm, then rain and snow showers. Some thunder is also possible. High near 53. Breezy, with a northwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Rain and snow showers likely, becoming all snow after 9pm. Mostly cloudy, with a low around 27. Blustery, with a north northwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Scattered snow showers. Partly sunny, with a high near 46. Breezy, with a north northwest wind 10 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 23. Blustery, with a north wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 29 mph.
Saturday
Sunny, with a high near 54. Light south southeast wind becoming southeast 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Greybull/S Big Horn Airport WY
 44.51°N 108.07°W (Elev. 3799 ft)
Last Update:
6:02 am MDT Apr 15, 2026
Forecast Valid:
6am MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation