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

Critical Fire Weather in the High Plains; Heat Continues in the West

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >

Current conditions at

HARLEM (HRLM)

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

NA

67°F

19°C

Humidity 34%
Wind Speed WNW 21 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 18 Mar 06:00 PM MDT
Extended Forecast for

Chinook MT

  • Tonight

    Tonight: Mostly cloudy during the early evening, then becoming clear, with a low around 42. Breezy, with a west wind 19 to 24 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 37 mph.

    Low: 42 °F

    Clear and
    Breezy then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71. Windy, with a west wind 14 to 19 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 71 °F

    Sunny and
    Windy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. Breezy, with a west wind 15 to 22 mph, with gusts as high as 29 mph.

    Low: 44 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 71. Breezy, with a west wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 71 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. West wind 15 to 20 mph, with gusts as high as 29 mph.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 59. West wind 13 to 18 mph, with gusts as high as 26 mph.

    High: 59 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23. North northwest wind 8 to 17 mph becoming east after midnight. Winds could gust as high as 23 mph.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 53. East wind 8 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then becoming clear, with a low around 42. Breezy, with a west wind 19 to 24 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 37 mph.
Thursday
Sunny, with a high near 71. Windy, with a west wind 14 to 19 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph.
Thursday Night
Partly cloudy, with a low around 44. Breezy, with a west wind 15 to 22 mph, with gusts as high as 29 mph.
Friday
Partly sunny, with a high near 71. Breezy, with a west wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.
Friday Night
Mostly cloudy, with a low around 44. West wind 15 to 20 mph, with gusts as high as 29 mph.
Saturday
Mostly cloudy, with a high near 59. West wind 13 to 18 mph, with gusts as high as 26 mph.
Saturday Night
Mostly cloudy, with a low around 23. North northwest wind 8 to 17 mph becoming east after midnight. Winds could gust as high as 23 mph.
Sunday
Sunny, with a high near 53. East wind 8 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly cloudy, with a high near 55.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Mostly cloudy, with a high near 56.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Wednesday
A slight chance of rain. Partly sunny, with a high near 62. Windy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook MT
 48.59°N 109.26°W (Elev. 2408 ft)
Last Update:
5:36 pm MDT Mar 18, 2026
Forecast Valid:
6pm MDT Mar 18, 2026-6pm MDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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