
Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.
Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >
Hazardous Weather Conditions
Current conditions at
South Big Horn County Airport (KGEY)
Lat: 44.5174°NLon: 108.0752°WElev: 3934.0ft.
Clear
-9°F
-23°C
| Humidity | 86% |
| Wind Speed | SSE 3 MPH |
| Barometer | 29.77 in (1008.13 mb) |
| Dewpoint | -12°F (-24°C) |
| Visibility | 10.00 mi |
| Last update | 20 Feb 05:53 AM MST |
Extended Forecast for
Greybull WY
Today

High: 30 °F
Mostly Sunny
Tonight

Low: 2 °F
Partly Cloudy
Saturday

High: 36 °F
Sunny
Saturday Night

Low: 9 °F
Partly Cloudy
Sunday

High: 41 °F
Mostly Sunny
Sunday Night

Low: 15 °F
Mostly Clear
Monday

High: 50 °F
Partly Sunny
Monday Night

Low: 25 °F
Mostly Cloudy
Tuesday

High: 55 °F
Slight Chance
Showers
Detailed Forecast
Today
Mostly sunny, with a high near 30. Wind chill values as low as zero. Light and variable wind.
Tonight
Partly cloudy, with a low around 2. Wind chill values as low as -5. Light southeast wind.
Saturday
Sunny, with a high near 36. Light south southeast wind.
Saturday Night
Partly cloudy, with a low around 9. Calm wind.
Sunday
Mostly sunny, with a high near 41. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 15. Southeast wind around 6 mph.
Monday
Partly sunny, with a high near 50. South southeast wind 3 to 8 mph.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 55.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 24.
Wednesday
A slight chance of rain and snow showers. Mostly sunny, with a high near 52.
Wednesday Night
Mostly clear, with a low around 21.
Thursday
Sunny, with a high near 56.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Greybull WY
44.49°N 108.04°W (Elev. 3973 ft)
44.49°N 108.04°W (Elev. 3973 ft)
5:01 am MST Feb 20, 2026
6am MST Feb 20, 2026-6pm MST Feb 26, 2026



