Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

HARLEM (HRLM)

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

NA

68°F

20°C

Humidity 32%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 03 Oct 02:00 PM MDT
Extended Forecast for

Chinook MT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 39. East wind 5 to 9 mph.

    Low: 39 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 73. East southeast wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. East southeast wind 5 to 10 mph becoming light south southeast  after midnight. Winds could gust as high as 18 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 81. Light west southwest wind becoming west 12 to 17 mph in the morning. Winds could gust as high as 26 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. West wind 8 to 11 mph, with gusts as high as 18 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. West northwest wind around 6 mph.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. Northwest wind around 5 mph becoming light and variable  in the evening.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. Light and variable wind becoming southeast 5 to 7 mph in the morning.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 39. East wind 5 to 9 mph.
Sunday
Sunny, with a high near 73. East southeast wind 9 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 42. East southeast wind 5 to 10 mph becoming light south southeast after midnight. Winds could gust as high as 18 mph.
Monday
Sunny, with a high near 81. Light west southwest wind becoming west 12 to 17 mph in the morning. Winds could gust as high as 26 mph.
Monday Night
Mostly clear, with a low around 47. West wind 8 to 11 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 73. West northwest wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 43. Northwest wind around 5 mph becoming light and variable in the evening.
Wednesday
Mostly sunny, with a high near 72. Light and variable wind becoming southeast 5 to 7 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 74.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
A slight chance of rain. Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Chinook MT
 48.6°N 109.23°W (Elev. 2408 ft)
12:31 pm MDT Oct 3, 2026
3pm MDT Oct 3, 2026-6pm MDT Oct 10, 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