Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

Lat: 44.5174°NLon: 108.0752°WElev: 3934.0ft.

Clear

48°F

9°C

Humidity 46%
Wind Speed N 3 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 31 Mar 02:05 PM MDT
Extended Forecast for

Greybull WY

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 58. Southeast wind around 7 mph becoming north.

    High: 58 °F

    Mostly Cloudy

  • Tonight

    Tonight: Isolated showers before 2am, then isolated showers after 5am.  Mostly cloudy, with a low around 31. Northwest wind 6 to 10 mph.  Chance of precipitation is 20%.

    Low: 31 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly between 3pm and 4pm.  Partly sunny, with a high near 57. Calm wind becoming north around 6 mph in the afternoon.  Chance of precipitation is 30%.

    High: 57 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 34. West wind around 6 mph becoming east southeast in the evening.

    Low: 34 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after 3pm.  Mostly cloudy, with a high near 61. Southeast wind 6 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 60%.

    High: 61 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Rain showers likely before midnight, then rain and snow showers likely between midnight and 3am, then snow showers likely after 3am. Some thunder is also possible.  Mostly cloudy, with a low around 29. Blustery, with a northwest wind 15 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%.

    Low: 29 °F

    Blustery.
    Showers
    Likely then
    Rain/Snow
    Likely

  • Friday

    Friday: Snow showers likely before noon, then a chance of rain and snow showers.  Mostly cloudy, with a high near 46. Windy, with a north northwest wind 17 to 26 mph, with gusts as high as 43 mph.  Chance of precipitation is 70%.

    High: 46 °F

    Rain/Snow
    Likely and
    Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. Blustery.

    Low: 25 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 58. Southeast wind around 7 mph becoming north.
Tonight
Isolated showers before 2am, then isolated showers after 5am. Mostly cloudy, with a low around 31. Northwest wind 6 to 10 mph. Chance of precipitation is 20%.
Wednesday
Scattered showers, mainly between 3pm and 4pm. Partly sunny, with a high near 57. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 34. West wind around 6 mph becoming east southeast in the evening.
Thursday
Showers likely and possibly a thunderstorm, mainly after 3pm. Mostly cloudy, with a high near 61. Southeast wind 6 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Thursday Night
Rain showers likely before midnight, then rain and snow showers likely between midnight and 3am, then snow showers likely after 3am. Some thunder is also possible. Mostly cloudy, with a low around 29. Blustery, with a northwest wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Friday
Snow showers likely before noon, then a chance of rain and snow showers. Mostly cloudy, with a high near 46. Windy, with a north northwest wind 17 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 70%.
Friday Night
Partly cloudy, with a low around 25. Blustery.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 67.
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)
12:32 pm MDT Mar 31, 2026
2pm MDT Mar 31, 2026-6pm MDT Apr 6, 2026
 
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