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

43°F

6°C

Humidity 54%
Wind Speed NW 10 MPH
Barometer 29.66 in (1004.4 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 15 Apr 02:55 AM MDT
Extended Forecast for

5 Miles NNE Harlowton MT

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 40. West southwest wind around 14 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers, mainly after 3pm. Mostly cloudy, with a high near 60. West southwest wind 15 to 20 mph increasing to 24 to 29 mph in the morning. Winds could gust as high as 40 mph.

    High: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Rain and snow showers, becoming all snow after midnight. Some thunder is also possible. Low around 30. Southwest wind 14 to 22 mph becoming northwest in the evening. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain/Snow
    then Snow
    Showers

  • Thursday

    Thursday: Snow showers likely. Patchy blowing snow before 9am. Mostly cloudy, with a high near 39. Northwest wind 22 to 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 22. North wind 14 to 21 mph.

    Low: 22 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Friday

    Friday: Snow showers likely, mainly after noon. Partly sunny, with a high near 42. West northwest wind 15 to 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Slight Chance
    Snow Showers
    then Snow
    Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 23. North northwest wind 9 to 15 mph becoming west after midnight.

    Low: 23 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 54. West wind 14 to 23 mph.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. West wind 16 to 21 mph decreasing to 10 to 15 mph after midnight.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 40. West southwest wind around 14 mph.
Wednesday
A 50 percent chance of showers, mainly after 3pm. Mostly cloudy, with a high near 60. West southwest wind 15 to 20 mph increasing to 24 to 29 mph in the morning. Winds could gust as high as 40 mph.
Wednesday Night
Rain and snow showers, becoming all snow after midnight. Some thunder is also possible. Low around 30. Southwest wind 14 to 22 mph becoming northwest in the evening. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Snow showers likely. Patchy blowing snow before 9am. Mostly cloudy, with a high near 39. Northwest wind 22 to 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 22. North wind 14 to 21 mph.
Friday
Snow showers likely, mainly after noon. Partly sunny, with a high near 42. West northwest wind 15 to 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 23. North northwest wind 9 to 15 mph becoming west after midnight.
Saturday
Sunny, with a high near 54. West wind 14 to 23 mph.
Saturday Night
Partly cloudy, with a low around 30. West wind 16 to 21 mph decreasing to 10 to 15 mph after midnight.
Sunday
Sunny, with a high near 64. West wind 11 to 20 mph.
Sunday Night
Partly cloudy, with a low around 37. West wind 10 to 17 mph.
Monday
Mostly sunny, with a high near 69. West wind 11 to 20 mph.
Monday Night
Partly cloudy, with a low around 40. West wind 10 to 18 mph.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 70. West wind 10 to 20 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:
2:53 am MDT Apr 15, 2026
Forecast Valid:
3am MDT Apr 15, 2026-6pm MDT Apr 21, 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