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.

Overcast

17°F

-8°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.42 in (1030.14 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 21 Feb 10:55 PM MST
Extended Forecast for

5 Miles SSW Harlowton MT

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 12. East northeast wind around 5 mph becoming light and variable after midnight.

    Low: 12 °F

    Patchy Fog

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 34. Light and variable wind becoming east southeast 5 to 7 mph in the morning.

    High: 34 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 21. East southeast wind 7 to 14 mph becoming west in the evening.

    Low: 21 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 51. West southwest wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 51 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. West wind 23 to 30 mph, with gusts as high as 41 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow showers before 11am, then a chance of rain showers. Mostly cloudy, with a high near 48. West wind 31 to 39 mph, with gusts as high as 55 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 48 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 11pm, then a chance of snow showers after 11pm. Mostly cloudy, with a low around 31. West wind 29 to 34 mph, with gusts as high as 48 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 42. West wind 37 to 42 mph increasing to 43 to 48 mph in the morning. Winds could gust as high as 70 mph.

    High: 42 °F

    Slight Chance
    Snow Showers
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. West wind 33 to 38 mph, with gusts as high as 55 mph.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 12. East northeast wind around 5 mph becoming light and variable after midnight.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 34. Light and variable wind becoming east southeast 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 21. East southeast wind 7 to 14 mph becoming west in the evening.
Monday
Partly sunny, with a high near 51. West southwest wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph.
Monday Night
Mostly cloudy, with a low around 37. West wind 23 to 30 mph, with gusts as high as 41 mph.
Tuesday
A slight chance of rain and snow showers before 11am, then a chance of rain showers. Mostly cloudy, with a high near 48. West wind 31 to 39 mph, with gusts as high as 55 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 11pm, then a chance of snow showers after 11pm. Mostly cloudy, with a low around 31. West wind 29 to 34 mph, with gusts as high as 48 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday
A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 42. West wind 37 to 42 mph increasing to 43 to 48 mph in the morning. Winds could gust as high as 70 mph.
Wednesday Night
Partly cloudy, with a low around 32. West wind 33 to 38 mph, with gusts as high as 55 mph.
Thursday
Mostly sunny, with a high near 50. West wind 39 to 48 mph, with gusts as high as 70 mph.
Thursday Night
A 20 percent chance of snow showers. Partly cloudy, with a low around 36. West wind 38 to 41 mph, with gusts as high as 55 mph.
Friday
A 20 percent chance of snow showers. Partly sunny, with a high near 49. West wind 40 to 47 mph, with gusts as high as 65 mph.
Friday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 26. West wind 29 to 36 mph, with gusts as high as 49 mph.
Saturday
A 20 percent chance of snow showers. Partly sunny, with a high near 42. West southwest wind 26 to 33 mph, with gusts as high as 47 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:
10:09 pm MST Feb 21, 2026
Forecast Valid:
11pm MST Feb 21, 2026-6pm MST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation