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

Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

HARLEM (HRLM)

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

NA

41°F

5°C

Humidity 37%
Wind Speed WNW 8 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 10 Mar 02:00 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: Partly cloudy, with a low around 18. West southwest wind 7 to 11 mph.

    Low: 18 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 45. Breezy, with a west southwest wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 45 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow likely before 3am, then rain and snow likely. Mostly cloudy, with a low around 27. West northwest wind 7 to 16 mph becoming southeast after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain and snow, becoming all snow after noon. High near 43. Breezy, with a west southwest wind 21 to 28 mph becoming north northwest in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Breezy.
    Rain/Snow
    then Snow
    Likely

  • Thursday Night

    Thursday Night: Snow likely. Cloudy, with a low around 21. North northwest wind 7 to 13 mph becoming south after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Snow Likely

  • Friday

    Friday: Snow likely, mainly after noon. Cloudy, with a high near 32. West wind 6 to 10 mph becoming north northeast in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Snow Likely

  • Friday Night

    Friday Night: Snow likely. Cloudy, with a low around 14. Northeast wind 7 to 9 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 14 °F

    Snow Likely

  • Saturday

    Saturday: Snow. Cloudy, with a high near 24. East wind 8 to 14 mph, with gusts as high as 20 mph.

    High: 24 °F

    Snow

  • Saturday Night

    Saturday Night: A chance of snow before midnight. Mostly cloudy, with a low around 1.

    Low: 1 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 18. West southwest wind 7 to 11 mph.
Wednesday
Partly sunny, with a high near 45. Breezy, with a west southwest wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.
Wednesday Night
Snow likely before 3am, then rain and snow likely. Mostly cloudy, with a low around 27. West northwest wind 7 to 16 mph becoming southeast after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Rain and snow, becoming all snow after noon. High near 43. Breezy, with a west southwest wind 21 to 28 mph becoming north northwest in the afternoon. Winds could gust as high as 43 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 13 mph becoming south after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly after noon. Cloudy, with a high near 32. West wind 6 to 10 mph becoming north northeast in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
Snow likely. Cloudy, with a low around 14. Northeast wind 7 to 9 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday
Snow. Cloudy, with a high near 24. East wind 8 to 14 mph, with gusts as high as 20 mph.
Saturday Night
A chance of snow before midnight. Mostly cloudy, with a low around 1.
Sunday
Partly sunny, with a high near 27.
Sunday Night
Mostly cloudy, with a low around 7.
Monday
A slight chance of snow. Mostly cloudy, with a high near 39.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 25.
Tuesday
Mostly cloudy, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook MT
 48.59°N 109.26°W (Elev. 2408 ft)
Last Update:
2:17 pm MDT Mar 10, 2026
Forecast Valid:
3pm MDT Mar 10, 2026-6pm MDT Mar 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation