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

Tropical Storm Isaias in the Gulf; California Heat Continues

Tropical Storm Isaias is forecast to track toward the central U.S. Gulf Coast while strengthening into a hurricane on Thursday. Residents from Louisiana to the Florida Panhandle should closely monitor the latest updates. Much higher than typical October temperatures will continue across much of California through midweek. Temperatures are forecast to gradually cool beginning Thursday. Read More >

Current conditions at

HARLEM (HRLM)

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

NA

36°F

2°C

Humidity 90%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 07 Oct 07:00 AM MDT
Extended Forecast for

Harlem MT

  • Today

    Today: Partly sunny, with a high near 69. Calm wind becoming east 5 to 8 mph in the afternoon.

    High: 69 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 39. East wind 5 to 7 mph.

    Low: 39 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 73. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44. Calm wind becoming east southeast around 6 mph in the evening.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80. Light and variable wind becoming west southwest 10 to 15 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. West southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 59. West northwest wind 13 to 18 mph, with gusts as high as 29 mph.

    High: 59 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain before 3am, then a chance of rain and snow. Cloudy, with a low around 30. North wind 15 to 20 mph, with gusts as high as 29 mph.

    Low: 30 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow. Cloudy, with a high near 44.

    High: 44 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Partly sunny, with a high near 69. Calm wind becoming east 5 to 8 mph in the afternoon.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 39. East wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 73. Calm wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 44. Calm wind becoming east southeast around 6 mph in the evening.
Friday
Mostly sunny, with a high near 80. Light and variable wind becoming west southwest 10 to 15 mph in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 42. West southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 59. West northwest wind 13 to 18 mph, with gusts as high as 29 mph.
Saturday Night
A chance of rain before 3am, then a chance of rain and snow. Cloudy, with a low around 30. North wind 15 to 20 mph, with gusts as high as 29 mph.
Sunday
A chance of rain and snow. Cloudy, with a high near 44.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 26.
Columbus Day
A slight chance of rain and snow. Partly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harlem MT
 48.54°N 108.78°W (Elev. 2339 ft)
Last Update:
4:52 am MDT Oct 7, 2026
Forecast Valid:
7am MDT Oct 7, 2026-6pm MDT Oct 13, 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