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

Kilo - Harlowton (K1KM)

Lat: 46.5°NLon: 109.8°WElev: 4452.0ft.

Clear

43°F

6°C

Humidity 64%
Wind Speed SSE 3 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 04 Nov 05:55 PM MST
Extended Forecast for

Harlowton MT

  • Tonight

    Tonight: Mostly clear, with a low around 28. Light and variable wind becoming west 5 to 7 mph after midnight.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 56. West wind 8 to 16 mph.

    High: 56 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 31. West wind 13 to 15 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 54. West wind 13 to 21 mph.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. West wind 13 to 23 mph.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 60. West wind 16 to 21 mph decreasing to 10 to 15 mph in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. West southwest wind 5 to 8 mph.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 64. West southwest wind 7 to 10 mph.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. West wind 6 to 13 mph.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 28. Light and variable wind becoming west 5 to 7 mph after midnight.
Thursday
Increasing clouds, with a high near 56. West wind 8 to 16 mph.
Thursday Night
Mostly cloudy, then gradually becoming clear, with a low around 31. West wind 13 to 15 mph.
Friday
Sunny, with a high near 54. West wind 13 to 21 mph.
Friday Night
Partly cloudy, with a low around 36. West wind 13 to 23 mph.
Saturday
Mostly sunny, with a high near 60. West wind 16 to 21 mph decreasing to 10 to 15 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 33. West southwest wind 5 to 8 mph.
Sunday
Mostly sunny, with a high near 64. West southwest wind 7 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 35. West wind 6 to 13 mph.
Monday
Partly sunny, with a high near 56. West northwest wind 5 to 10 mph becoming light west.
Monday Night
Mostly cloudy, with a low around 33. Light and variable wind becoming west 5 to 9 mph after midnight.
Tuesday
Mostly sunny, with a high near 59. West wind 9 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 35. West wind 7 to 11 mph.
Veterans Day
Mostly sunny, with a high near 60. Southwest wind 7 to 11 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harlowton MT
 46.44°N 109.82°W (Elev. 4199 ft)
Last Update:
4:32 pm MST Nov 4, 2026
Forecast Valid:
6pm MST Nov 4, 2026-6pm MST Nov 11, 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