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

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

66°F

19°C

Humidity 36%
Wind Speed NW 4 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 03 Oct 01:00 PM MDT
Extended Forecast for

Harlem MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 67. North northeast wind 3 to 7 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 39. East wind 3 to 8 mph.

    Low: 39 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 72. Southeast wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. East southeast wind 5 to 9 mph becoming light east after midnight. Winds could gust as high as 18 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 82. Light and variable wind becoming west 12 to 17 mph in the morning. Winds could gust as high as 28 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. West wind around 9 mph.

    Low: 46 °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 42. Northwest wind around 5 mph becoming light and variable after midnight.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 67. North northeast wind 3 to 7 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 39. East wind 3 to 8 mph.
Sunday
Sunny, with a high near 72. Southeast wind 7 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 42. East southeast wind 5 to 9 mph becoming light east after midnight. Winds could gust as high as 18 mph.
Monday
Sunny, with a high near 82. Light and variable wind becoming west 12 to 17 mph in the morning. Winds could gust as high as 28 mph.
Monday Night
Mostly clear, with a low around 46. West wind around 9 mph.
Tuesday
Sunny, with a high near 73. West northwest wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 42. Northwest wind around 5 mph becoming light and variable after midnight.
Wednesday
Mostly sunny, with a high near 72.
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 41.
Friday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harlem MT
 48.54°N 108.81°W (Elev. 2352 ft)
Last Update:
12:31 pm MDT Oct 3, 2026
Forecast Valid:
2pm MDT Oct 3, 2026-6pm MDT Oct 9, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation