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

82°F

28°C

Humidity 20%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 13 Jul 11:00 AM MDT
Extended Forecast for

Greybull/S Big Horn Airport WY

  • Today

    Today: Sunny, with a high near 96. Calm wind becoming north around 6 mph in the afternoon.

    High: 96 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. North wind 5 to 8 mph becoming calm.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds and hot, with a high near 98. Calm wind becoming north northwest 5 to 9 mph in the afternoon.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 60. North northwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. Breezy, with a northwest wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    High: 78 °F

    Slight Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Breezy, with a north northwest wind 10 to 16 mph, with gusts as high as 24 mph.

    Low: 53 °F

    Chance
    T-storms and
    Breezy then
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 76. North northwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 76 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 53.

    Low: 53 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 88.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 96. Calm wind becoming north around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 62. North wind 5 to 8 mph becoming calm.
Monday
Increasing clouds and hot, with a high near 98. Calm wind becoming north northwest 5 to 9 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. North northwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. Breezy, with a northwest wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Breezy, with a north northwest wind 10 to 16 mph, with gusts as high as 24 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 76. North northwest wind 9 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
A 10 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 53.
Thursday
A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 57.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Sunny, with a high near 93.
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Forecast Area
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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:
10:57 am MDT Jul 13, 2025
Forecast Valid:
11am MDT Jul 13, 2025-6pm MDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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