National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Kilo - Harlowton (K1KM)

Lat: 46.5°NLon: 109.8°WElev: 4452.0ft.

Clear

66°F

19°C

Humidity 21%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 17 Oct 04:55 PM MDT
Extended Forecast for

13 Miles SW Harlowton MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. West southwest wind 16 to 21 mph becoming northwest 7 to 12 mph after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 54. Light and variable wind becoming southeast 10 to 15 mph in the morning.

    High: 54 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. Southeast wind 9 to 14 mph becoming light and variable.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 65. West southwest wind around 6 mph becoming southeast in the afternoon.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. Southeast wind 5 to 8 mph becoming west after midnight.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63. West wind 6 to 10 mph becoming north northeast in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. Northeast wind 5 to 7 mph becoming light and variable.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 61. Light and variable wind becoming southeast 5 to 8 mph in the afternoon.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. Southeast wind around 6 mph becoming light and variable.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 40. West southwest wind 16 to 21 mph becoming northwest 7 to 12 mph after midnight.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 54. Light and variable wind becoming southeast 10 to 15 mph in the morning.
Sunday Night
Partly cloudy, with a low around 34. Southeast wind 9 to 14 mph becoming light and variable.
Monday
Sunny, with a high near 65. West southwest wind around 6 mph becoming southeast in the afternoon.
Monday Night
Partly cloudy, with a low around 41. Southeast wind 5 to 8 mph becoming west after midnight.
Tuesday
Mostly sunny, with a high near 63. West wind 6 to 10 mph becoming north northeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 38. Northeast wind 5 to 7 mph becoming light and variable.
Wednesday
Sunny, with a high near 61. Light and variable wind becoming southeast 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 40. Southeast wind around 6 mph becoming light and variable.
Thursday
Sunny, with a high near 66. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 44. Calm wind becoming west around 6 mph after midnight.
Friday
Showers likely. Mostly cloudy, with a high near 56. West wind 8 to 14 mph. Chance of precipitation is 60%.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 34. West wind 16 to 22 mph. Chance of precipitation is 50%.
Saturday
A slight chance of rain and snow showers. Partly sunny, with a high near 45. West wind 10 to 14 mph. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles SW Harlowton MT
 46.32°N 110.02°W (Elev. 5020 ft)
Last Update:
3:52 pm MDT Oct 17, 2026
Forecast Valid:
5pm MDT Oct 17, 2026-6pm MDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation