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

57°F

14°C

Humidity 23%
Wind Speed NW 14 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 09 Apr 12:53 PM MDT
Extended Forecast for

Greybull/S Big Horn Airport WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 60. Breezy, with a north northwest wind 13 to 16 mph, with gusts as high as 24 mph.

    High: 60 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 32. North northwest wind 8 to 13 mph becoming light and variable after midnight.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 73. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. Southeast wind around 6 mph.

    Low: 41 °F

    Mostly 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 78. Southeast wind 6 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 40. Southwest wind 6 to 11 mph becoming light and variable after midnight.

    Low: 40 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 73. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 73 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66. Chance of precipitation is 50%.

    High: 66 °F

    Slight Chance
    Showers then
    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 60. Breezy, with a north northwest wind 13 to 16 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 32. North northwest wind 8 to 13 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 73. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 41. Southeast wind around 6 mph.
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 78. Southeast wind 6 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 40. Southwest wind 6 to 11 mph becoming light and variable after midnight.
Sunday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 73. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Sunday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 40.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Mostly sunny, with a high near 66.
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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:
12:32 pm MDT Apr 9, 2026
Forecast Valid:
1pm MDT Apr 9, 2026-6pm MDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation