Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

37°F

3°C

Humidity 41%
Wind Speed SSE 9 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 19 Jan 01:53 PM MST
Extended Forecast for

Greybull WY

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 37. South wind 3 to 6 mph.

    High: 37 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 14. East southeast wind around 6 mph becoming calm  after midnight.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Isolated snow showers between 10am and 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 37. Breezy, with a light and variable wind becoming north northwest 17 to 22 mph in the morning. Winds could gust as high as 33 mph.  Chance of precipitation is 20%.

    High: 37 °F

    Isolated Snow
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 10. West wind around 6 mph becoming calm  after midnight.

    Low: 10 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 34. Light west wind becoming northwest 5 to 9 mph in the morning.

    High: 34 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 8. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 8 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 32. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 7.

    Low: 7 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

Detailed Forecast

M.L.King Day
Sunny, with a high near 37. South wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 14. East southeast wind around 6 mph becoming calm after midnight.
Tuesday
Isolated snow showers between 10am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 37. Breezy, with a light and variable wind becoming north northwest 17 to 22 mph in the morning. Winds could gust as high as 33 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 10. West wind around 6 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 34. Light west wind becoming northwest 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 8. East northeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 32. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 7.
Friday
Partly sunny, with a high near 25.
Friday Night
Partly cloudy, with a low around 4.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
Greybull WY
 44.49°N 108.04°W (Elev. 3973 ft)
1:29 pm MST Jan 19, 2026
2pm MST Jan 19, 2026-6pm MST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database