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 >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

11°F

-12°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Last update 20 Jan 04:53 AM MST
Extended Forecast for

12 Miles NNW Shell WY

  • Today

    Today: A 30 percent chance of snow showers, mainly before 3pm.  Mostly cloudy, then gradually becoming sunny, with a high near 28. Blustery, with an east northeast wind 5 to 10 mph becoming north 18 to 23 mph in the morning. Winds could gust as high as 34 mph.

    High: 28 °F

    Chance Snow
    Showers and
    Blustery

  • Tonight

    Tonight: Mostly clear, with a low around 19. East southeast wind 6 to 10 mph becoming northeast after midnight.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 26. Northwest wind 6 to 8 mph.

    High: 26 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 15 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 22. West northwest wind 3 to 7 mph.

    High: 22 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers before 11pm.  Mostly cloudy, with a low around 11. North wind around 7 mph becoming southeast after midnight.

    Low: 11 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers.  Partly sunny, with a high near 18. South wind 5 to 7 mph becoming northwest in the afternoon.

    High: 18 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before 11pm.  Partly cloudy, with a low around 8.

    Low: 8 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of snow showers, mainly before 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 28. Blustery, with an east northeast wind 5 to 10 mph becoming north 18 to 23 mph in the morning. Winds could gust as high as 34 mph.
Tonight
Mostly clear, with a low around 19. East southeast wind 6 to 10 mph becoming northeast after midnight.
Wednesday
Mostly sunny, with a high near 26. Northwest wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 15. West northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 22. West northwest wind 3 to 7 mph.
Thursday Night
A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 11. North wind around 7 mph becoming southeast after midnight.
Friday
A 20 percent chance of snow showers. Partly sunny, with a high near 18. South wind 5 to 7 mph becoming northwest in the afternoon.
Friday Night
A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around 8.
Saturday
Mostly sunny, with a high near 23.
Saturday Night
A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around 14.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNW Shell WY
 44.7°N 107.86°W (Elev. 5997 ft)
4:17 am MST Jan 20, 2026
5am MST Jan 20, 2026-6pm MST Jan 26, 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