National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Hazardous Weather Conditions

Current conditions at

HARLEM (HRLM)

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

NA

20°F

-7°C

Humidity 81%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Last update 10 Mar 11:00 PM MDT
Extended Forecast for

Chinook MT

High Wind Warning March 12, 03:00am until March 12, 06:00pm
Click here for hazard details and duration
High Wind Warning

  • Tonight

    Tonight: Mostly clear, with a low around 16. West southwest wind 6 to 8 mph.

    Low: 16 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 45. Breezy, with a west southwest wind 8 to 13 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 45 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow likely, possibly mixed with rain before 4am, then a slight chance of rain. Mostly cloudy, with a low around 28. Breezy, with a south southeast wind 8 to 13 mph becoming west southwest 17 to 22 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow
    then
    Rain/Snow
    Likely and
    Breezy

  • Thursday

    Thursday: Rain before 9am, then snow. High near 47. Windy, with a west wind 25 to 34 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 47 °F

    Windy.
    Rain/Snow
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow likely. Cloudy, with a low around 21. North northwest wind 7 to 16 mph becoming south southeast after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Snow Likely

  • Friday

    Friday: A 40 percent chance of snow. Cloudy, with a high near 34. West wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 18 mph. New snow accumulation of around an inch possible.

    High: 34 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow likely, mainly after midnight. Cloudy, with a low around 16. East wind 7 to 10 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 16 °F

    Snow Likely

  • Saturday

    Saturday: Snow. Cloudy, with a high near 28. Northeast wind 9 to 14 mph, with gusts as high as 20 mph.

    High: 28 °F

    Snow

  • Saturday Night

    Saturday Night: A chance of snow before midnight. Mostly cloudy, with a low around 4.

    Low: 4 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 16. West southwest wind 6 to 8 mph.
Wednesday
Increasing clouds, with a high near 45. Breezy, with a west southwest wind 8 to 13 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 33 mph.
Wednesday Night
Snow likely, possibly mixed with rain before 4am, then a slight chance of rain. Mostly cloudy, with a low around 28. Breezy, with a south southeast wind 8 to 13 mph becoming west southwest 17 to 22 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Rain before 9am, then snow. High near 47. Windy, with a west wind 25 to 34 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely. Cloudy, with a low around 21. North northwest wind 7 to 16 mph becoming south southeast after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow. Cloudy, with a high near 34. West wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 18 mph. New snow accumulation of around an inch possible.
Friday Night
Snow likely, mainly after midnight. Cloudy, with a low around 16. East wind 7 to 10 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday
Snow. Cloudy, with a high near 28. Northeast wind 9 to 14 mph, with gusts as high as 20 mph.
Saturday Night
A chance of snow before midnight. Mostly cloudy, with a low around 4.
Sunday
Partly sunny, with a high near 29.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 11.
Monday
A slight chance of rain and snow. Mostly cloudy, with a high near 43.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 28.
Tuesday
Mostly cloudy, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chinook MT
 48.59°N 109.26°W (Elev. 2408 ft)
Last Update:
11:01 pm MDT Mar 10, 2026
Forecast Valid:
11pm MDT Mar 10, 2026-6pm MDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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