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.

Partly Cloudy

40°F

4°C

Humidity 62%
Wind Speed N 13 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 14 Feb 02:55 PM MST
Extended Forecast for

5 Miles SSW Harlowton MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. West wind 6 to 10 mph.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 51. West wind 10 to 17 mph.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 28. West wind 9 to 11 mph.

    Low: 28 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 51. West southwest wind 7 to 14 mph becoming south in the afternoon.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. South wind 6 to 11 mph becoming east northeast after midnight.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow. High near 42. East southeast wind 6 to 11 mph becoming west 18 to 23 mph in the morning. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 12. West northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. New snow accumulation of less than a half inch possible.

    Low: 12 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 25. North northwest wind 10 to 14 mph.

    High: 25 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 10. North wind 7 to 11 mph.

    Low: 10 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 30. West wind 6 to 10 mph.
Sunday
Mostly sunny, with a high near 51. West wind 10 to 17 mph.
Sunday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 28. West wind 9 to 11 mph.
Washington's Birthday
Sunny, with a high near 51. West southwest wind 7 to 14 mph becoming south in the afternoon.
Monday Night
Mostly cloudy, with a low around 30. South wind 6 to 11 mph becoming east northeast after midnight.
Tuesday
Snow. High near 42. East southeast wind 6 to 11 mph becoming west 18 to 23 mph in the morning. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 12. West northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. New snow accumulation of less than a half inch possible.
Wednesday
A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 25. North northwest wind 10 to 14 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 10. North wind 7 to 11 mph.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 33. West wind 9 to 17 mph.
Thursday Night
Mostly cloudy, with a low around 13. West southwest wind 11 to 13 mph.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 33. West northwest wind 11 to 17 mph.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 16. West wind 9 to 11 mph.
Saturday
Mostly sunny, with a high near 34. West southwest wind 10 to 15 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:
2:44 pm MST Feb 14, 2026
Forecast Valid:
4pm MST Feb 14, 2026-6pm MST Feb 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation