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

BEACH (K20U)

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

12°F

-11°C

Humidity 92%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 10°F (-12°C)
Visibility NA
Last update 20 Jan 2:55 am MST
Extended Forecast for

3 Miles NE Sentinel Butte ND

  • Overnight

    Overnight: A 30 percent chance of snow after 5am.  Mostly cloudy, with a steady temperature around 14. Calm wind.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow likely, mainly before 10am.  Patchy blowing snow after 2pm. Cloudy, with a high near 23. Blustery, with a northwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 23 °F

    Snow Likely
    then Chance
    Snow and
    Patchy
    Blowing Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly after 1am.  Patchy blowing snow after midnight. Mostly cloudy, with a temperature falling to near 14 by midnight, then rising to around 23 during the remainder of the night. Windy, with a west wind 18 to 26 mph, with gusts as high as 36 mph.  New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Mostly Cloudy
    then Chance
    Snow and
    Patchy
    Blowing Snow

  • Wednesday

    Wednesday: Patchy blowing snow. Partly sunny, with a high near 25. Windy, with a northwest wind 21 to 30 mph, with gusts as high as 41 mph.

    High: 25 °F

    Patchy
    Blowing Snow
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 1. Northwest wind around 14 mph, with gusts as high as 22 mph.

    Low: 1 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy and cold, with a high near 6. Northwest wind 11 to 15 mph, with gusts as high as 22 mph.

    High: 6 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -20. North wind 5 to 9 mph becoming east after midnight.

    Low: -20 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -4. Southeast wind around 6 mph.

    High: -4 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -14. South wind around 7 mph.

    Low: -14 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of snow after 5am. Mostly cloudy, with a steady temperature around 14. Calm wind. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Snow likely, mainly before 10am. Patchy blowing snow after 2pm. Cloudy, with a high near 23. Blustery, with a northwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Tuesday Night
A 30 percent chance of snow, mainly after 1am. Patchy blowing snow after midnight. Mostly cloudy, with a temperature falling to near 14 by midnight, then rising to around 23 during the remainder of the night. Windy, with a west wind 18 to 26 mph, with gusts as high as 36 mph. New snow accumulation of less than a half inch possible.
Wednesday
Patchy blowing snow. Partly sunny, with a high near 25. Windy, with a northwest wind 21 to 30 mph, with gusts as high as 41 mph.
Wednesday Night
Mostly cloudy, with a low around 1. Northwest wind around 14 mph, with gusts as high as 22 mph.
Thursday
Mostly cloudy and cold, with a high near 6. Northwest wind 11 to 15 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around -20. North wind 5 to 9 mph becoming east after midnight.
Friday
Mostly sunny and cold, with a high near -4. Southeast wind around 6 mph.
Friday Night
Partly cloudy, with a low around -14. South wind around 7 mph.
Saturday
Mostly sunny, with a high near 11. Southwest wind 7 to 9 mph.
Saturday Night
Mostly cloudy, with a low around -5. Southwest wind around 9 mph becoming northwest after midnight.
Sunday
Mostly sunny, with a high near 17. West wind around 10 mph.
Sunday Night
Partly cloudy, with a low around 5. Southwest wind 7 to 9 mph.
Monday
Partly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Sentinel Butte ND
 46.95°N 103.8°W
2:31 am MST Jan 20, 2026
2am 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