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

63°F

17°C

Humidity 20%
Wind Speed SSE 11 MPH
Barometer 29.66 in (1004.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 15 Apr 02:35 PM MDT
Extended Forecast for

Greybull/S Big Horn Airport WY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 69. South southwest wind around 14 mph, with gusts as high as 26 mph.

    High: 69 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 38. Southwest wind 9 to 14 mph becoming northwest after midnight. Winds could gust as high as 22 mph.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Rain and snow showers likely before 1pm, then a chance of rain showers between 1pm and 2pm, then rain and snow showers likely after 2pm. Some thunder is also possible. Mostly cloudy, with a high near 52. Breezy, with a north northwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 52 °F

    Rain/Snow
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Rain and snow showers likely, becoming all snow after 9pm. Mostly cloudy, with a low around 26. Blustery, with a north northwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Blustery.
    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Friday

    Friday: A 40 percent chance of snow showers. Mostly sunny, with a high near 49. Breezy, with a north northwest wind 10 to 17 mph, with gusts as high as 30 mph. Little or no snow accumulation expected.

    High: 49 °F

    Chance 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, with a north northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 26 mph.

    Low: 24 °F

    Slight Chance
    Snow Showers
    and Blustery
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 57. Light southeast wind becoming east 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 69. South southwest wind around 14 mph, with gusts as high as 26 mph.
Tonight
A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 38. Southwest wind 9 to 14 mph becoming northwest after midnight. Winds could gust as high as 22 mph.
Thursday
Rain and snow showers likely before 1pm, then a chance of rain showers between 1pm and 2pm, then rain and snow showers likely after 2pm. Some thunder is also possible. Mostly cloudy, with a high near 52. Breezy, with a north northwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday Night
Rain and snow showers likely, becoming all snow after 9pm. Mostly cloudy, with a low around 26. Blustery, with a north northwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow showers. Mostly sunny, with a high near 49. Breezy, with a north northwest wind 10 to 17 mph, with gusts as high as 30 mph. Little or no snow accumulation expected.
Friday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 24. Blustery, with a north northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 26 mph.
Saturday
Sunny, with a high near 57. Light southeast wind becoming east 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 80.
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:
1:03 pm MDT Apr 15, 2026
Forecast Valid:
2pm MDT Apr 15, 2026-6pm MDT Apr 21, 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