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

-1°F

-18°C

Humidity 81%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint -5°F (-21°C)
Visibility NA
Last update 28 Dec 11:00 PM MST
Extended Forecast for

Harlem MT

  • Tonight

    Tonight: Mostly clear, with a temperature rising to around -1 by 5am. Wind chill values as low as -15. Light and variable wind becoming west around 5 mph after midnight.

    Low: -8 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 20. Wind chill values as low as -15. West northwest wind 6 to 9 mph.

    High: 20 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature rising to around 19 by 5am. West northwest wind 7 to 10 mph.

    Low: 13 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. West northwest wind 6 to 10 mph.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 15. Light and variable wind becoming west northwest 5 to 9 mph in the evening.

    Low: 15 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. West northwest wind 6 to 9 mph becoming east in the afternoon.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 12. East wind around 6 mph.

    Low: 12 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 28. East wind around 6 mph.

    High: 28 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a temperature rising to around -1 by 5am. Wind chill values as low as -15. Light and variable wind becoming west around 5 mph after midnight.
Monday
Sunny, with a high near 20. Wind chill values as low as -15. West northwest wind 6 to 9 mph.
Monday Night
Mostly cloudy, with a temperature rising to around 19 by 5am. West northwest wind 7 to 10 mph.
Tuesday
Mostly sunny, with a high near 35. West northwest wind 6 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 15. Light and variable wind becoming west northwest 5 to 9 mph in the evening.
Wednesday
Mostly sunny, with a high near 30. West northwest wind 6 to 9 mph becoming east in the afternoon.
Wednesday Night
Partly cloudy, with a low around 12. East wind around 6 mph.
New Year's Day
Partly sunny, with a high near 28. East wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 13.
Friday
Mostly cloudy, with a high near 32.
Friday Night
Mostly cloudy, with a low around 13.
Saturday
Partly sunny, with a high near 28.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 11.
Sunday
Mostly cloudy, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlem MT
 48.54°N 108.78°W (Elev. 2339 ft)
9:17 pm MST Dec 28, 2025
11pm MST Dec 28, 2025-6pm MST Jan 4, 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