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 >

Current conditions at

BEACH (K20U)

Lat: 46.93°NLon: 103.98°WElev: 2756ft.

12°F

-11°C

Humidity 67%
Wind Speed NW 20 mph
Barometer 30.15 in
Dewpoint 3°F (-16°C)
Visibility NA
Wind Chill-6°F (-21°C)
Last update 21 Jan 11:35 am MST
Extended Forecast for

3 Miles NE Sentinel Butte ND

Extreme Cold Watch January 22, 05:00pm until January 23, 11:00am
Winter Weather Advisory January 21, 11:49am until January 21, 05:00pm
Click here for hazard details and duration
Extreme Cold Watch
Winter Weather Advisory
  •  
    Winter Weather Advisory January 21, 11:49am until January 21, 05:00pm

    NOW until 5:00pm Wed

    Winter Weather Advisory

  • Today

    High: 13 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Tonight

    Tonight: Mostly cloudy, with a low around -3. Wind chill values as low as -15. Northwest wind around 17 mph, with gusts as high as 25 mph.

    Low: -3 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny and cold, with a temperature falling to around -10 by 5pm. Wind chill values as low as -30. Northwest wind 14 to 16 mph, with gusts as high as 23 mph.

    High: 4 °F

    Cold

  • Thursday Night

    Thursday Night: Mostly clear, with a low around -28. Wind chill values as low as -40. North wind 5 to 10 mph becoming light  after midnight.

    Low: -28 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and cold, with a high near -7. South wind 3 to 6 mph.

    High: -7 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -17. Southwest wind around 6 mph.

    Low: -17 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny and cold, with a high near 5. Southwest wind 6 to 8 mph becoming northwest in the afternoon.

    High: 5 °F

    Cold

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -13. West wind 7 to 9 mph.

    Low: -13 °F

    Partly Cloudy

Detailed Forecast

Today
A 20 percent chance of snow before 1pm. Patchy blowing snow. Partly sunny, with a steady temperature around 13. Windy, with a northwest wind 21 to 25 mph, with gusts as high as 36 mph.
Tonight
Mostly cloudy, with a low around -3. Wind chill values as low as -15. Northwest wind around 17 mph, with gusts as high as 25 mph.
Thursday
Partly sunny and cold, with a temperature falling to around -10 by 5pm. Wind chill values as low as -30. Northwest wind 14 to 16 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around -28. Wind chill values as low as -40. North wind 5 to 10 mph becoming light after midnight.
Friday
Mostly sunny and cold, with a high near -7. South wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around -17. Southwest wind around 6 mph.
Saturday
Partly sunny and cold, with a high near 5. Southwest wind 6 to 8 mph becoming northwest in the afternoon.
Saturday Night
Partly cloudy, with a low around -13. West wind 7 to 9 mph.
Sunday
Mostly sunny and cold, with a high near 10. West wind around 10 mph.
Sunday Night
Partly cloudy, with a low around 0. West wind around 10 mph.
Monday
Mostly sunny, with a high near 28. West wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 10. West wind around 9 mph.
Tuesday
Partly sunny, with a high near 25. Northwest wind around 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Sentinel Butte ND
 46.95°N 103.8°W
11:36 am MST Jan 21, 2026
11am 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