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.

Mostly Cloudy

42°F

6°C

Humidity 91%
Wind Speed SW 6 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 12 Apr 10:55 PM MDT
Extended Forecast for

5 Miles NNE Harlowton MT

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 36. East wind 6 to 8 mph becoming west.

    Low: 36 °F

    Patchy Fog

  • Monday

    Monday: A 40 percent chance of showers, mainly after 3pm. Partly sunny, with a high near 57. West wind 9 to 14 mph increasing to 21 to 26 mph in the afternoon.

    High: 57 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 36. West wind 16 to 21 mph.

    Low: 36 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 59. West wind 17 to 24 mph.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. West southwest wind 17 to 22 mph decreasing to 8 to 13 mph after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers after noon. Mostly cloudy, with a high near 59. Southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon.

    High: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Rain showers likely before midnight, then rain and snow showers. Low around 31. West southwest wind 13 to 18 mph becoming north northwest after midnight. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Showers
    Likely then
    Rain/Snow

  • Thursday

    Thursday: Snow showers. High near 38. Northwest wind 21 to 28 mph. Chance of precipitation is 90%.

    High: 38 °F

    Snow Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 21. West northwest wind 22 to 28 mph.

    Low: 21 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 36. East wind 6 to 8 mph becoming west.
Monday
A 40 percent chance of showers, mainly after 3pm. Partly sunny, with a high near 57. West wind 9 to 14 mph increasing to 21 to 26 mph in the afternoon.
Monday Night
A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 36. West wind 16 to 21 mph.
Tuesday
Sunny, with a high near 59. West wind 17 to 24 mph.
Tuesday Night
Mostly cloudy, with a low around 37. West southwest wind 17 to 22 mph decreasing to 8 to 13 mph after midnight.
Wednesday
A 50 percent chance of showers after noon. Mostly cloudy, with a high near 59. Southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon.
Wednesday Night
Rain showers likely before midnight, then rain and snow showers. Low around 31. West southwest wind 13 to 18 mph becoming north northwest after midnight. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Snow showers. High near 38. Northwest wind 21 to 28 mph. Chance of precipitation is 90%.
Thursday Night
A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 21. West northwest wind 22 to 28 mph.
Friday
A 40 percent chance of snow showers. Partly sunny, with a high near 43. Northwest wind 21 to 31 mph.
Friday Night
Mostly cloudy, with a low around 24. West wind 20 to 25 mph decreasing to 11 to 16 mph after midnight.
Saturday
A slight chance of rain and snow showers. Mostly sunny, with a high near 53. West wind 11 to 20 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 30. West southwest wind 7 to 17 mph.
Sunday
Mostly sunny, with a high near 63. West southwest wind 8 to 18 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Harlowton MT
 46.51°N 109.8°W (Elev. 4426 ft)
Last Update:
12:33 am MDT Apr 13, 2026
Forecast Valid:
1am MDT Apr 13, 2026-6pm MDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation