Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. 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

-13°C

Humidity 92%
Wind Speed NW 5 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 21 Jan 03:05 AM MST
Extended Forecast for

Manderson WY

  • Overnight

    Overnight: Mostly clear, with a low around 14. East southeast wind around 6 mph.

    Low: 14 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 32. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 32 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 5. Calm wind.

    Low: 5 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 27. Wind chill values as low as -5. North northwest wind 5 to 10 mph.

    High: 27 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 2. Northwest wind 6 to 10 mph.

    Low: 2 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 18. Northwest wind 6 to 10 mph.

    High: 18 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around -7. Northwest wind 5 to 8 mph becoming calm  after midnight.

    Low: -7 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 14. East southeast wind around 6 mph.
Wednesday
Sunny, with a high near 32. Calm wind becoming northwest 5 to 8 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 5. Calm wind.
Thursday
Mostly sunny, with a high near 27. Wind chill values as low as -5. North northwest wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 2. Northwest wind 6 to 10 mph.
Friday
Mostly cloudy, with a high near 18. Northwest wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around -7. Northwest wind 5 to 8 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 23.
Saturday Night
Partly cloudy, with a low around -1.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 1.
Monday
Mostly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Mostly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
Manderson WY
 44.26°N 107.95°W (Elev. 3999 ft)
2:17 am MST Jan 21, 2026
3am MST Jan 21, 2026-6pm MST Jan 27, 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