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

26°F

-3°C

Humidity 76%
Wind Speed NE 8 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 09 Apr 05:55 AM MDT
Extended Forecast for

Harlowton MT

  • Today

    Today: Sunny, with a high near 54. West northwest wind 5 to 13 mph becoming northeast in the afternoon.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. Northeast wind 8 to 13 mph becoming light after midnight.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 64. Light and variable wind becoming southeast 9 to 14 mph in the morning.

    High: 64 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39. Southeast wind 11 to 16 mph becoming light and variable.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain after noon. Partly sunny, with a high near 73. Southwest wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon.

    High: 73 °F

    Partly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 43. Southwest wind 11 to 18 mph.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: A slight chance of rain, then showers and possibly a thunderstorm after noon. High near 61. West northwest wind 10 to 16 mph. Chance of precipitation is 80%.

    High: 61 °F

    Slight Chance
    Rain then
    Showers

  • Sunday Night

    Sunday Night: Showers. Low around 37. North wind 9 to 14 mph becoming southeast after midnight. Chance of precipitation is 80%.

    Low: 37 °F

    Showers

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after noon. High near 50. Northwest wind 9 to 17 mph. Chance of precipitation is 90%.

    High: 50 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 54. West northwest wind 5 to 13 mph becoming northeast in the afternoon.
Tonight
Mostly clear, with a low around 28. Northeast wind 8 to 13 mph becoming light after midnight.
Friday
Mostly sunny, with a high near 64. Light and variable wind becoming southeast 9 to 14 mph in the morning.
Friday Night
Mostly cloudy, with a low around 39. Southeast wind 11 to 16 mph becoming light and variable.
Saturday
A 30 percent chance of rain after noon. Partly sunny, with a high near 73. Southwest wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon.
Saturday Night
A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 43. Southwest wind 11 to 18 mph.
Sunday
A slight chance of rain, then showers and possibly a thunderstorm after noon. High near 61. West northwest wind 10 to 16 mph. Chance of precipitation is 80%.
Sunday Night
Showers. Low around 37. North wind 9 to 14 mph becoming southeast after midnight. Chance of precipitation is 80%.
Monday
Showers likely, then showers and possibly a thunderstorm after noon. High near 50. Northwest wind 9 to 17 mph. Chance of precipitation is 90%.
Monday Night
A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 33. North wind 7 to 15 mph becoming west southwest after midnight.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 57. West wind 8 to 17 mph.
Tuesday Night
Partly cloudy, with a low around 34. West wind 10 to 16 mph.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 61. West wind 11 to 16 mph increasing to 23 to 28 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harlowton MT
 46.44°N 109.82°W (Elev. 4199 ft)
Last Update:
1:13 am MDT Apr 9, 2026
Forecast Valid:
6am MDT Apr 9, 2026-6pm MDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation