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

South Big Horn County Airport (KGEY)

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

Clear

43°F

6°C

Humidity 52%
Wind Speed NNE 3 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 09 Apr 11:20 PM MDT
Extended Forecast for

4 Miles N Greybull/S Big Horn Airport WY

  • Tonight

    Tonight: Mostly clear, with a low around 34. North northwest wind around 6 mph becoming south southeast after midnight.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 68. South southeast wind 5 to 9 mph.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Scattered showers, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 45. East wind 7 to 11 mph becoming northwest in the evening. Chance of precipitation is 30%.

    Low: 45 °F

    Scattered
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 73. Breezy, with a southeast wind 9 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 73 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 42. Breezy, with a southwest wind 8 to 15 mph becoming southeast after midnight. Winds could gust as high as 21 mph.

    Low: 42 °F

    Chance
    Showers and
    Breezy then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 68. Southeast wind 8 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 68 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 42. Southwest wind 8 to 11 mph.

    Low: 42 °F

    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60. Chance of precipitation is 50%.

    High: 60 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 38. Breezy. Chance of precipitation is 40%.

    Low: 38 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 34. North northwest wind around 6 mph becoming south southeast after midnight.
Friday
Mostly sunny, with a high near 68. South southeast wind 5 to 9 mph.
Friday Night
Scattered showers, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 45. East wind 7 to 11 mph becoming northwest in the evening. Chance of precipitation is 30%.
Saturday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 73. Breezy, with a southeast wind 9 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 42. Breezy, with a southwest wind 8 to 15 mph becoming southeast after midnight. Winds could gust as high as 21 mph.
Sunday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 68. Southeast wind 8 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 42. Southwest wind 8 to 11 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 38. Breezy. Chance of precipitation is 40%.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 36. Breezy.
Thursday
A chance of rain and snow showers. Partly sunny, with a high near 54.
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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:
10:32 pm MDT Apr 9, 2026
Forecast Valid:
11pm MDT Apr 9, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation