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

HARLEM (HRLM)

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

NA

41°F

5°C

Humidity 67%
Wind Speed E 5 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 18 Oct 11:00 PM MDT
Extended Forecast for

Chinook MT

  • Overnight

    Overnight: Partly cloudy, with a low around 36. East wind around 13 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 65. East southeast wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. Light and variable wind.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 61. West northwest wind 3 to 7 mph.

    High: 61 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34. North wind around 5 mph becoming light and variable.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 66. East southeast wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39. Southeast wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 69. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain after midnight. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 36. East wind around 13 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 65. East southeast wind 5 to 11 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 35. Light and variable wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 61. West northwest wind 3 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 34. North wind around 5 mph becoming light and variable.
Wednesday
Sunny, with a high near 66. East southeast wind 7 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 39. Southeast wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Thursday
Mostly sunny, with a high near 69. Calm wind becoming east southeast around 5 mph in the afternoon.
Thursday Night
A slight chance of rain after midnight. Mostly cloudy, with a low around 42.
Friday
Rain likely. Mostly cloudy, with a high near 55. Breezy.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Breezy.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
A slight chance of rain and snow. Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook MT
 48.6°N 109.23°W (Elev. 2408 ft)
Last Update:
12:31 pm MDT Oct 18, 2026
Forecast Valid:
12am MDT Oct 19, 2026-6pm MDT Oct 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation