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

43°F

6°C

Humidity 49%
Wind Speed NE 27 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 25 Mar 09:55 PM MDT
Extended Forecast for

5 Miles SSW Harlowton MT

  • Tonight

    Tonight: A chance of rain showers before midnight, then rain likely, possibly mixed with snow showers between midnight and 3am, then snow showers likely after 3am. Cloudy, with a low around 33. West northwest wind 17 to 20 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 33 °F

    Chance
    Showers then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A 30 percent chance of snow showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 45. West northwest wind 18 to 23 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 49 mph. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Chance Snow
    Showers then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 23. West southwest wind 16 to 26 mph decreasing to 6 to 16 mph after midnight.

    Low: 23 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53. West southwest wind 5 to 14 mph becoming south in the afternoon.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32. South southeast wind 5 to 14 mph becoming west after midnight.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 65. West southwest wind 6 to 13 mph.

    High: 65 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39. West wind 7 to 14 mph.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64. Southwest wind 8 to 18 mph.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36. South southwest wind 13 to 18 mph becoming west 7 to 12 mph after midnight.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of rain showers before midnight, then rain likely, possibly mixed with snow showers between midnight and 3am, then snow showers likely after 3am. Cloudy, with a low around 33. West northwest wind 17 to 20 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Thursday
A 30 percent chance of snow showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 45. West northwest wind 18 to 23 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 49 mph. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly clear, with a low around 23. West southwest wind 16 to 26 mph decreasing to 6 to 16 mph after midnight.
Friday
Sunny, with a high near 53. West southwest wind 5 to 14 mph becoming south in the afternoon.
Friday Night
Partly cloudy, with a low around 32. South southeast wind 5 to 14 mph becoming west after midnight.
Saturday
Partly sunny, with a high near 65. West southwest wind 6 to 13 mph.
Saturday Night
Mostly cloudy, with a low around 39. West wind 7 to 14 mph.
Sunday
Partly sunny, with a high near 64. Southwest wind 8 to 18 mph.
Sunday Night
Mostly cloudy, with a low around 36. South southwest wind 13 to 18 mph becoming west 7 to 12 mph after midnight.
Monday
A 20 percent chance of showers after noon. Partly sunny, with a high near 67. West southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 39. West northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 52. West northwest wind 8 to 17 mph becoming north in the afternoon.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 28. North northeast wind 10 to 17 mph becoming east after midnight. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow showers. Mostly cloudy, with a high near 42. East southeast wind 9 to 15 mph. Chance of precipitation is 40%.
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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:
9:03 pm MDT Mar 25, 2026
Forecast Valid:
10pm MDT Mar 25, 2026-6pm MDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation