Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

HARLEM (HRLM)

Lat: 48.54333°NLon: 108.83472°WElev: 2358.0ft.

NA

0°F

-18°C

Humidity 74%
Wind Speed ESE 5 MPH
Barometer NA
Dewpoint -6°F (-21°C)
Visibility NA
Wind Chill-11°F (-24°C)
Last update 28 Dec 08:00 PM MST
Extended Forecast for

Chinook MT

  • Tonight

    Tonight: Partly cloudy, with a low around -8. Light and variable wind becoming west southwest around 6 mph after midnight.

    Low: -8 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 21. Wind chill values as low as -10. West wind 7 to 10 mph.

    High: 21 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature rising to around 21 by 5am. West wind around 9 mph.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. West wind 6 to 9 mph.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19. South southwest wind 6 to 9 mph becoming west after midnight.

    Low: 19 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31. West wind around 7 mph becoming east in the morning.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. East southeast wind 3 to 6 mph.

    Low: 15 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 32. South wind around 6 mph becoming east in the afternoon.

    High: 32 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around -8. Light and variable wind becoming west southwest around 6 mph after midnight.
Monday
Sunny, with a high near 21. Wind chill values as low as -10. West wind 7 to 10 mph.
Monday Night
Mostly cloudy, with a temperature rising to around 21 by 5am. West wind around 9 mph.
Tuesday
Mostly sunny, with a high near 37. West wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 19. South southwest wind 6 to 9 mph becoming west after midnight.
Wednesday
Mostly sunny, with a high near 31. West wind around 7 mph becoming east in the morning.
Wednesday Night
Partly cloudy, with a low around 15. East southeast wind 3 to 6 mph.
New Year's Day
Partly sunny, with a high near 32. South wind around 6 mph becoming east in the afternoon.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
Mostly cloudy, with a high near 34.
Friday Night
Mostly cloudy, with a low around 14.
Saturday
Partly sunny, with a high near 31.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 13.
Sunday
Mostly cloudy, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Chinook MT
 48.59°N 109.26°W (Elev. 2408 ft)
8:37 pm MST Dec 28, 2025
8pm MST Dec 28, 2025-6pm MST Jan 4, 2026
 
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Additional Resources

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