Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Current conditions at

HARLEM (HRLM)

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

NA

11°F

-12°C

Humidity 90%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 9°F (-13°C)
Visibility NA
Last update 15 Mar 10:00 PM MDT
Extended Forecast for

Chinook MT

High Wind Warning March 16, 03:00pm until March 17, 06:00pm
Click here for hazard details and duration
High Wind Warning
  • Tonight

    Tonight: Mostly cloudy, with a low around 5. Light east southeast wind.

    Low: 5 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 45. East southeast wind 5 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 45 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. Breezy, with a west southwest wind 14 to 19 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 38 mph.

    Low: 31 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 64. Windy, with a west wind 28 to 32 mph, with gusts as high as 45 mph.

    High: 64 °F

    Partly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44. Breezy, with a west wind 18 to 25 mph, with gusts as high as 36 mph.

    Low: 44 °F

    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Partly sunny, with a high near 69. Breezy, with a west wind 20 to 29 mph, with gusts as high as 41 mph.

    High: 69 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. Breezy, with a west wind 21 to 26 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 34 mph.

    Low: 44 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 73. Breezy, with a west wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 73 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46. Breezy.

    Low: 46 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 5. Light east southeast wind.
Monday
Mostly cloudy, with a high near 45. East southeast wind 5 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 31. Breezy, with a west southwest wind 14 to 19 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 38 mph.
Tuesday
Partly sunny, with a high near 64. Windy, with a west wind 28 to 32 mph, with gusts as high as 45 mph.
Tuesday Night
Partly cloudy, with a low around 44. Breezy, with a west wind 18 to 25 mph, with gusts as high as 36 mph.
Wednesday
Partly sunny, with a high near 69. Breezy, with a west wind 20 to 29 mph, with gusts as high as 41 mph.
Wednesday Night
Mostly cloudy, with a low around 44. Breezy, with a west wind 21 to 26 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 34 mph.
Thursday
Partly sunny, with a high near 73. Breezy, with a west wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph.
Thursday Night
Mostly cloudy, with a low around 46. Breezy.
Friday
Mostly cloudy, with a high near 70.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Saturday
A slight chance of rain. Mostly cloudy, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 62.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Chinook MT
 48.59°N 109.26°W (Elev. 2408 ft)
11:02 pm MDT Mar 15, 2026
11pm MDT Mar 15, 2026-6pm MDT Mar 22, 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