Threats of Heavy Rainfall, Severe Thunderstorms and Dangerous Heat

Several complexes of thunderstorms, some severe with heavy rainfall, will impact areas from the northern Plains, Great Lakes, Ohio Valley to the mid-Atlantic. This threat will shift toward the Carolinas on Friday. Heavy rainfall, remnants of Edouard, continues for portions of eastern Texas through today. In-between these systems, a dome of high pressure and heat for central and eastern states. Read More >

Current conditions at

HARLEM (HRLM)

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

NA

83°F

28°C

Humidity 23%
Wind Speed SW 7 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Heat Index81°F (27°C)
Last update 03 Sep 04:00 PM MDT
Extended Forecast for

Chinook MT

  • Tonight

    Tonight: Increasing clouds, with a low around 51. West southwest wind 5 to 10 mph becoming light and variable. Winds could gust as high as 18 mph.

    Low: 51 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 86. East wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 86 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. West wind 6 to 13 mph, with gusts as high as 22 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81. West wind 7 to 9 mph.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am.  Partly cloudy, with a low around 51. North wind 6 to 11 mph becoming light west northwest  after midnight.  Chance of precipitation is 40%.

    Low: 51 °F

    Mostly Clear
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 9am.  Partly sunny, with a high near 78. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm.  Low around 54. North northeast wind 9 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%.

    Low: 54 °F

    Showers

  • Labor Day

    Labor Day: Showers likely, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 71. North wind 9 to 15 mph becoming west in the afternoon. Winds could gust as high as 24 mph.

    High: 71 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Mostly cloudy, with a low around 49. Breezy.

    Low: 49 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Tonight
Increasing clouds, with a low around 51. West southwest wind 5 to 10 mph becoming light and variable. Winds could gust as high as 18 mph.
Friday
Partly sunny, then gradually becoming sunny, with a high near 86. East wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Friday Night
Mostly clear, with a low around 51. West wind 6 to 13 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny, with a high near 81. West wind 7 to 9 mph.
Saturday Night
A chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Partly cloudy, with a low around 51. North wind 6 to 11 mph becoming light west northwest after midnight. Chance of precipitation is 40%.
Sunday
A chance of showers, with thunderstorms also possible after 9am. Partly sunny, with a high near 78. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 40%.
Sunday Night
Showers and possibly a thunderstorm. Low around 54. North northeast wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Labor Day
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 71. North wind 9 to 15 mph becoming west in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 49. Breezy.
Tuesday
A chance of showers, mainly before noon. Partly sunny, with a high near 69. Breezy.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Chinook MT
 48.6°N 109.23°W (Elev. 2408 ft)
4:52 pm MDT Sep 3, 2026
5pm MDT Sep 3, 2026-6pm MDT Sep 10, 2026
 
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