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

39°F

4°C

Humidity 92%
Wind Speed ENE 4 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 29 Mar 08:00 PM MDT
Extended Forecast for

Harlem MT

  • Tonight

    Tonight: Rain, mainly before 5am. Low around 33. East southeast wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Rain

  • Monday

    Monday: A 20 percent chance of rain before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 44. Breezy, with a south southeast wind 8 to 13 mph becoming west northwest 18 to 28 mph in the morning. Winds could gust as high as 39 mph.

    High: 44 °F

    Breezy.
    Slight Chance
    Rain then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12. Blustery, with a northwest wind 15 to 25 mph decreasing to 5 to 15 mph after midnight. Winds could gust as high as 36 mph.

    Low: 12 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41. North wind 5 to 10 mph becoming southeast 15 to 20 mph in the morning. Winds could gust as high as 31 mph.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19. East southeast wind 15 to 20 mph, with gusts as high as 31 mph.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55. Southeast wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 29. East southeast wind 15 to 17 mph, with gusts as high as 23 mph.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A chance of rain and snow before noon, then rain likely. Cloudy, with a high near 50. East southeast wind 15 to 20 mph, with gusts as high as 28 mph.

    High: 50 °F

    Chance
    Rain/Snow
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain likely before 9pm, then rain and snow likely between 9pm and 3am, then snow likely after 3am. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Rain, mainly before 5am. Low around 33. East southeast wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 20 percent chance of rain before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 44. Breezy, with a south southeast wind 8 to 13 mph becoming west northwest 18 to 28 mph in the morning. Winds could gust as high as 39 mph.
Monday Night
Mostly clear, with a low around 12. Blustery, with a northwest wind 15 to 25 mph decreasing to 5 to 15 mph after midnight. Winds could gust as high as 36 mph.
Tuesday
Mostly sunny, with a high near 41. North wind 5 to 10 mph becoming southeast 15 to 20 mph in the morning. Winds could gust as high as 31 mph.
Tuesday Night
Mostly cloudy, with a low around 19. East southeast wind 15 to 20 mph, with gusts as high as 31 mph.
Wednesday
Mostly sunny, with a high near 55. Southeast wind 11 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 29. East southeast wind 15 to 17 mph, with gusts as high as 23 mph.
Thursday
A chance of rain and snow before noon, then rain likely. Cloudy, with a high near 50. East southeast wind 15 to 20 mph, with gusts as high as 28 mph.
Thursday Night
Rain likely before 9pm, then rain and snow likely between 9pm and 3am, then snow likely after 3am. Mostly cloudy, with a low around 25.
Friday
A chance of snow. Mostly cloudy, with a high near 40. Breezy.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harlem MT
 48.52°N 108.78°W (Elev. 2339 ft)
Last Update:
6:22 pm MDT Mar 29, 2026
Forecast Valid:
8pm MDT Mar 29, 2026-6pm MDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation