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

25°F

-4°C

Humidity 55%
Wind Speed N 16 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 15 Mar 03:55 PM MDT
Extended Forecast for

5 Miles SSW Harlowton MT

  • Tonight

    Tonight: Increasing clouds, with a low around 15. Northwest wind 5 to 8 mph becoming light and variable.

    Low: 15 °F

    Increasing
    Clouds

  • Monday

    Monday: A slight chance of snow before noon, then a slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Partly sunny, with a high near 48. West wind 9 to 19 mph increasing to 19 to 29 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Monday Night

    Monday Night: A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 44. West wind 30 to 35 mph increasing to 36 to 41 mph after midnight. Winds could gust as high as 55 mph.

    Low: 44 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57. West wind 43 to 48 mph decreasing to 37 to 42 mph in the afternoon. Winds could gust as high as 70 mph.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46. West wind 23 to 30 mph, with gusts as high as 40 mph.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. West wind 22 to 31 mph, with gusts as high as 43 mph.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. West wind 20 to 25 mph decreasing to 14 to 19 mph after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 69. West southwest wind 14 to 19 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 69 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48. West wind 15 to 23 mph.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 15. Northwest wind 5 to 8 mph becoming light and variable.
Monday
A slight chance of snow before noon, then a slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Partly sunny, with a high near 48. West wind 9 to 19 mph increasing to 19 to 29 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 20%.
Monday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 44. West wind 30 to 35 mph increasing to 36 to 41 mph after midnight. Winds could gust as high as 55 mph.
Tuesday
Partly sunny, with a high near 57. West wind 43 to 48 mph decreasing to 37 to 42 mph in the afternoon. Winds could gust as high as 70 mph.
Tuesday Night
Mostly cloudy, with a low around 46. West wind 23 to 30 mph, with gusts as high as 40 mph.
Wednesday
Partly sunny, with a high near 64. West wind 22 to 31 mph, with gusts as high as 43 mph.
Wednesday Night
Mostly cloudy, with a low around 44. West wind 20 to 25 mph decreasing to 14 to 19 mph after midnight.
Thursday
Partly sunny, with a high near 69. West southwest wind 14 to 19 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 39 mph.
Thursday Night
Mostly cloudy, with a low around 48. West wind 15 to 23 mph.
Friday
Partly sunny, with a high near 71. West wind 14 to 19 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 38 mph.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 45. West wind 18 to 23 mph decreasing to 10 to 15 mph after midnight.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 68. West southwest wind 11 to 16 mph increasing to 24 to 29 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 37. West northwest wind 21 to 26 mph decreasing to 11 to 16 mph after midnight.
Sunday
Partly sunny, with a high near 55. Northwest wind 10 to 15 mph becoming west southwest 17 to 22 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Harlowton MT
 46.38°N 109.88°W (Elev. 4488 ft)
Last Update:
12:33 pm MDT Mar 15, 2026
Forecast Valid:
4pm MDT Mar 15, 2026-6pm MDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation