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

46°F

8°C

Humidity 31%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 18 Apr 09:20 PM MDT
Extended Forecast for

Greybull WY

  • Tonight

    Tonight: Mostly clear, with a low around 29. South southeast wind around 5 mph becoming calm after midnight.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. East southeast wind around 6 mph becoming calm after midnight.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 78. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. North northeast wind around 6 mph becoming light and variable in the evening.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Light east southeast wind becoming south southeast 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49. Southeast wind around 14 mph, with gusts as high as 22 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 77. Windy.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 38. Breezy.

    Low: 38 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 29. South southeast wind around 5 mph becoming calm after midnight.
Sunday
Sunny, with a high near 67. Calm wind becoming southeast around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 35. East southeast wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 78. Calm wind becoming northeast around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 41. North northeast wind around 6 mph becoming light and variable in the evening.
Tuesday
Mostly sunny, with a high near 83. Light east southeast wind becoming south southeast 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 49. Southeast wind around 14 mph, with gusts as high as 22 mph.
Wednesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 77. Windy.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 38. Breezy.
Thursday
Rain showers likely before 9am, then rain and snow showers likely between 9am and 3pm, then rain showers likely after 3pm. Mostly cloudy, with a high near 50. Windy. Chance of precipitation is 70%.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 27. Windy.
Friday
A slight chance of rain and snow showers. Mostly sunny, with a high near 51. Breezy.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greybull WY
 44.49°N 108.04°W (Elev. 3973 ft)
Last Update:
8:47 pm MDT Apr 18, 2026
Forecast Valid:
9pm MDT Apr 18, 2026-6pm MDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation