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

42°F

6°C

Humidity 92%
Wind Speed ESE 5 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 13 Apr 10:00 AM MDT
Extended Forecast for

Chinook MT

  • Today

    Today: A 30 percent chance of rain, mainly between noon and 1pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 55. East wind around 7 mph.

    High: 55 °F

    Chance Rain
    and Patchy
    Fog

  • Tonight

    Tonight: A 20 percent chance of rain before midnight. Partly cloudy, with a low around 38. East southeast wind 6 to 14 mph becoming west southwest after midnight. Winds could gust as high as 22 mph.

    Low: 38 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63. West wind 14 to 20 mph, with gusts as high as 30 mph.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. West southwest wind 9 to 17 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61. West southwest wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Rain before 3am, then rain, possibly mixed with snow. Low around 26. West southwest wind 9 to 11 mph becoming east after midnight. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 26 °F

    Rain Likely
    then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow likely, becoming all snow after 9am. Mostly cloudy, with a high near 39. Breezy, with a northwest wind 14 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 39 °F

    Rain/Snow
    Likely then
    Chance Snow
    and Breezy

  • Thursday Night

    Thursday Night: A slight chance of snow before midnight. Mostly cloudy, with a low around 17. Blustery, with a northwest wind 14 to 23 mph, with gusts as high as 30 mph.

    Low: 17 °F

    Slight Chance
    Snow and
    Blustery then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of rain, mainly between noon and 1pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 55. East wind around 7 mph.
Tonight
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 38. East southeast wind 6 to 14 mph becoming west southwest after midnight. Winds could gust as high as 22 mph.
Tuesday
Mostly sunny, with a high near 63. West wind 14 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 39. West southwest wind 9 to 17 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 61. West southwest wind 10 to 17 mph, with gusts as high as 26 mph.
Wednesday Night
Rain before 3am, then rain, possibly mixed with snow. Low around 26. West southwest wind 9 to 11 mph becoming east after midnight. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Rain and snow likely, becoming all snow after 9am. Mostly cloudy, with a high near 39. Breezy, with a northwest wind 14 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Thursday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 17. Blustery, with a northwest wind 14 to 23 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 64.
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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:
10:02 am MDT Apr 13, 2026
Forecast Valid:
10am MDT Apr 13, 2026-6pm MDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation