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

33°F

1°C

Humidity 87%
Wind Speed NNE 5 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 04 Nov 07:55 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 in the evening.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 56. West wind 9 to 17 mph.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 31. West wind 13 to 16 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 53. West wind 13 to 21 mph.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. West wind 14 to 24 mph.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 60. West wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. West southwest wind 5 to 9 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 64. West southwest wind 7 to 11 mph.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. West wind 6 to 14 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 in the evening.
Thursday
Sunny, with a high near 56. West wind 9 to 17 mph.
Thursday Night
Mostly cloudy, then gradually becoming clear, with a low around 31. West wind 13 to 16 mph.
Friday
Sunny, with a high near 53. West wind 13 to 21 mph.
Friday Night
Partly cloudy, with a low around 37. West wind 14 to 24 mph.
Saturday
Mostly sunny, with a high near 60. West wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 34. West southwest wind 5 to 9 mph.
Sunday
Mostly sunny, with a high near 64. West southwest wind 7 to 11 mph.
Sunday Night
Mostly cloudy, with a low around 35. West wind 6 to 14 mph.
Monday
Partly sunny, with a high near 56. West northwest wind 6 to 11 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. West southwest wind 7 to 13 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harlowton MT
 46.44°N 109.85°W (Elev. 4190 ft)
Last Update:
4:32 pm MST Nov 4, 2026
Forecast Valid:
8pm 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