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

-6°F

-21°C

Humidity 73%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint -13°F (-25°C)
Visibility 10.00 mi
Last update 23 Jan 08:55 PM MST
Extended Forecast for

5 Miles SSW Harlowton MT

  • Tonight

    Tonight: Partly cloudy, with a temperature rising to around 4 by 5am. Wind chill values as low as -20. West wind 5 to 14 mph.

    Low: -4 °F⇑

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after 2pm. Partly sunny, with a high near 22. Wind chill values as low as -10. West wind 15 to 18 mph.

    High: 22 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow. Mostly cloudy, with a low around -2. Wind chill values as low as -10. North wind 10 to 13 mph. New snow accumulation of less than a half inch possible.

    Low: -2 °F

    Chance Snow

  • Sunday

    Sunday: Sunny, with a high near 21. Wind chill values as low as -15. North wind 6 to 13 mph becoming west southwest in the afternoon.

    High: 21 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a temperature rising to around 23 by 5am. West wind 15 to 24 mph.

    Low: 16 °F⇑

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 41. West wind 25 to 28 mph, with gusts as high as 39 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. West wind 22 to 24 mph.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. West wind around 21 mph.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. West wind around 14 mph.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a temperature rising to around 4 by 5am. Wind chill values as low as -20. West wind 5 to 14 mph.
Saturday
A 20 percent chance of snow after 2pm. Partly sunny, with a high near 22. Wind chill values as low as -10. West wind 15 to 18 mph.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around -2. Wind chill values as low as -10. North wind 10 to 13 mph. New snow accumulation of less than a half inch possible.
Sunday
Sunny, with a high near 21. Wind chill values as low as -15. North wind 6 to 13 mph becoming west southwest in the afternoon.
Sunday Night
Mostly clear, with a temperature rising to around 23 by 5am. West wind 15 to 24 mph.
Monday
Mostly sunny, with a high near 41. West wind 25 to 28 mph, with gusts as high as 39 mph.
Monday Night
Partly cloudy, with a low around 27. West wind 22 to 24 mph.
Tuesday
Mostly sunny, with a high near 43. West wind around 21 mph.
Tuesday Night
Mostly clear, with a low around 27. West wind around 14 mph.
Wednesday
Mostly sunny, with a high near 47. West wind around 15 mph.
Wednesday Night
Mostly cloudy, with a low around 28. West wind 11 to 13 mph.
Thursday
Mostly sunny, with a high near 46. West wind around 14 mph.
Thursday Night
Mostly cloudy, with a low around 27. West wind around 11 mph.
Friday
Partly sunny, with a high near 45. West wind 13 to 16 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Harlowton MT
 46.38°N 109.88°W (Elev. 4488 ft)
Last Update:
7:58 pm MST Jan 23, 2026
Forecast Valid:
9pm MST Jan 23, 2026-6pm MST Jan 30, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation