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 45%
Wind Speed ESE 6 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 14 Apr 01:05 AM MDT
Extended Forecast for

Greybull/S Big Horn Airport WY

  • Overnight

    Overnight: Mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34. Southeast wind 5 to 8 mph becoming calm after midnight.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 69. Light and variable wind becoming south southeast 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 69 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40. Breezy, with a south southwest wind 13 to 15 mph becoming southeast after midnight. Winds could gust as high as 23 mph.

    Low: 40 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Scattered showers before noon, then showers and possibly a thunderstorm between noon and 3pm, then showers after 3pm. High near 56. Breezy, with a southeast wind 10 to 15 mph becoming north northwest 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 80%.

    High: 56 °F

    Scattered
    Showers then
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Rain and snow showers, becoming all snow after midnight. Low around 27. Blustery, with a north northwest wind 16 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.

    Low: 27 °F

    Blustery.
    Rain/Snow
    then Snow
    Showers
    Likely

  • Friday

    Friday: Scattered snow showers. Partly sunny, with a high near 46. Breezy. Chance of precipitation is 50%.

    High: 46 °F

    Scattered
    Snow Showers
    and Breezy

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 24. Blustery.

    Low: 24 °F

    Slight Chance
    Snow Showers
    and Blustery
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 32. Calm wind.
Tuesday
Sunny, with a high near 64. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 34. Southeast wind 5 to 8 mph becoming calm after midnight.
Wednesday
Partly sunny, with a high near 69. Light and variable wind becoming south southeast 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 40. Breezy, with a south southwest wind 13 to 15 mph becoming southeast after midnight. Winds could gust as high as 23 mph.
Thursday
Scattered showers before noon, then showers and possibly a thunderstorm between noon and 3pm, then showers after 3pm. High near 56. Breezy, with a southeast wind 10 to 15 mph becoming north northwest 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 80%.
Thursday Night
Rain and snow showers, becoming all snow after midnight. Low around 27. Blustery, with a north northwest wind 16 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.
Friday
Scattered snow showers. Partly sunny, with a high near 46. Breezy. Chance of precipitation is 50%.
Friday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 24. Blustery.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 74. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greybull/S Big Horn Airport WY
 44.51°N 108.07°W (Elev. 3799 ft)
Last Update:
1:17 am MDT Apr 14, 2026
Forecast Valid:
1am MDT Apr 14, 2026-6pm MDT Apr 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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