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

49°F

9°C

Humidity 94%
Wind Speed N 5 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 20 Sep 04:55 AM MDT
Extended Forecast for

2 Miles WNW Harlowton MT

  • Overnight

    Overnight: Scattered showers. Patchy fog. Otherwise, cloudy, with a low around 46. West northwest wind around 7 mph. Chance of precipitation is 40%.

    Low: 46 °F

    Scattered
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Isolated showers before 3pm. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 66. West northwest wind 5 to 8 mph becoming east in the afternoon. Chance of precipitation is 20%.

    High: 66 °F

    Isolated
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Patchy dense fog after 9pm. Otherwise, mostly cloudy, with a low around 44. East southeast wind 5 to 8 mph becoming light and variable.

    Low: 44 °F

    Patchy Dense
    Fog

  • Monday

    Monday: Areas of dense fog before noon. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 72. South southwest wind 5 to 9 mph becoming southeast in the afternoon.

    High: 72 °F

    Areas Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. Southeast wind 5 to 10 mph becoming light and variable.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. West wind 5 to 8 mph becoming light and variable.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. Southeast wind 5 to 8 mph becoming northwest after midnight.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. West wind 7 to 11 mph.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. West wind 5 to 8 mph.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Overnight
Scattered showers. Patchy fog. Otherwise, cloudy, with a low around 46. West northwest wind around 7 mph. Chance of precipitation is 40%.
Sunday
Isolated showers before 3pm. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 66. West northwest wind 5 to 8 mph becoming east in the afternoon. Chance of precipitation is 20%.
Sunday Night
Patchy dense fog after 9pm. Otherwise, mostly cloudy, with a low around 44. East southeast wind 5 to 8 mph becoming light and variable.
Monday
Areas of dense fog before noon. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 72. South southwest wind 5 to 9 mph becoming southeast in the afternoon.
Monday Night
Mostly clear, with a low around 43. Southeast wind 5 to 10 mph becoming light and variable.
Tuesday
Sunny, with a high near 77. West wind 5 to 8 mph becoming light and variable.
Tuesday Night
Partly cloudy, with a low around 48. Southeast wind 5 to 8 mph becoming northwest after midnight.
Wednesday
Mostly sunny, with a high near 78. West wind 7 to 11 mph.
Wednesday Night
Mostly clear, with a low around 46. West wind 5 to 8 mph.
Thursday
Sunny, with a high near 78. West wind 5 to 9 mph becoming light and variable.
Thursday Night
Mostly clear, with a low around 48. East southeast wind 6 to 11 mph becoming light and variable.
Friday
Sunny, with a high near 80. West wind 5 to 10 mph becoming south in the afternoon.
Friday Night
Partly cloudy, with a low around 48. South southeast wind 7 to 11 mph becoming west northwest after midnight.
Saturday
Mostly sunny, with a high near 71. West northwest wind 9 to 14 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Harlowton MT
 46.44°N 109.85°W (Elev. 4190 ft)
Last Update:
4:37 am MDT Sep 20, 2026
Forecast Valid:
5am MDT Sep 20, 2026-6pm MDT Sep 26, 2026
 
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Additional Resources

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Chance of Precipitation