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.

Overcast

36°F

2°C

Humidity 64%
Wind Speed N 8 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 18 Apr 12:20 AM MDT
Extended Forecast for

Greybull WY

Freeze Warning April 18, 12:37am until April 18, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning April 18, 12:37am until April 18, 09:00am

    NOW until 9:00am Sat

    Freeze Warning

  • Overnight

    Low: 25 °F

    Isolated Snow
    Showers

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 57. Light and variable wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 57 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. East northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 69 °F

    Sunny

  • Sunday Night

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

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. North northeast wind around 6 mph becoming southeast after midnight.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Overnight
Isolated snow showers before 1am. Mostly cloudy, with a low around 25. West northwest wind 5 to 8 mph becoming light and variable. Chance of precipitation is 20%.
Saturday
Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 57. Light and variable wind becoming south southeast 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 28. East northeast wind 5 to 7 mph becoming calm after midnight.
Sunday
Sunny, with a high near 69. Calm wind becoming southeast around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 35. Southeast wind around 6 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 77. Calm wind becoming northeast around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 41. North northeast wind around 6 mph becoming southeast after midnight.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
A 20 percent chance of showers after noon. Sunny, with a high near 79. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 40. Breezy.
Thursday
A chance of showers. Partly sunny, with a high near 59. Breezy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30. Blustery.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 53. Breezy.
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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:
11:47 pm MDT Apr 17, 2026
Forecast Valid:
12am MDT Apr 18, 2026-6pm MDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation