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.

Overcast

46°F

8°C

Humidity 73%
Wind Speed N 17 MPH
Barometer 29.66 in (1004.4 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 12 Apr 01:55 AM MDT
Extended Forecast for

5 Miles NNE Harlowton MT

  • Overnight

    Overnight: Partly cloudy, with a low around 40. West wind 13 to 15 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then showers and possibly a thunderstorm after 3pm. High near 61. West wind 8 to 11 mph. Chance of precipitation is 80%.

    High: 61 °F

    Sunny then
    Showers

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 2am. Low around 38. North wind 7 to 10 mph becoming south southwest after midnight. Chance of precipitation is 80%.

    Low: 38 °F

    Showers then
    Slight Chance
    Showers

  • Monday

    Monday: Showers likely, mainly after noon. Mostly cloudy, with a high near 55. West wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Chance of precipitation is 70%.

    High: 55 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers before midnight. Partly 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 60. West wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon.

    High: 60 °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: Showers likely, mainly after noon. Mostly cloudy, with a high near 57. West southwest wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Chance of precipitation is 60%.

    High: 57 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain showers before 9pm, then rain and snow showers between 9pm and 3am, then snow showers after 3am. Low around 29. West wind 16 to 21 mph becoming north northwest after midnight. Chance of precipitation is 90%.

    Low: 29 °F

    Rain/Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 40. West wind 13 to 15 mph.
Sunday
A slight chance of showers, then showers and possibly a thunderstorm after 3pm. High near 61. West wind 8 to 11 mph. Chance of precipitation is 80%.
Sunday Night
Showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 2am. Low around 38. North wind 7 to 10 mph becoming south southwest after midnight. Chance of precipitation is 80%.
Monday
Showers likely, mainly after noon. Mostly cloudy, with a high near 55. West wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Chance of precipitation is 70%.
Monday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 36. West wind 16 to 21 mph.
Tuesday
Sunny, with a high near 60. West wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon.
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
Showers likely, mainly after noon. Mostly cloudy, with a high near 57. West southwest wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
Rain showers before 9pm, then rain and snow showers between 9pm and 3am, then snow showers after 3am. Low around 29. West wind 16 to 21 mph becoming north northwest after midnight. Chance of precipitation is 90%.
Thursday
Snow showers likely. Mostly cloudy, with a high near 39. Northwest wind 18 to 25 mph. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 21. West northwest wind 13 to 21 mph.
Friday
A 30 percent chance of snow showers. Partly sunny, with a high near 44. West northwest wind 11 to 18 mph.
Friday Night
Partly cloudy, with a low around 24. West wind 8 to 16 mph.
Saturday
A slight chance of rain and snow showers. Mostly sunny, with a high near 50. West wind 10 to 18 mph. Chance of precipitation is 20%.
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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:
1:27 am MDT Apr 12, 2026
Forecast Valid:
2am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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