Flash Flooding Continuing Along the Gulf Coast; Dry Thunderstorms in the West

Excessive rainfall continues to produce life-threatening, locally catastrophic flash flooding along the central Gulf Coast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts Oregon, California, and the Great Basin into the weekend. Read More >

Current conditions at

Kilo - Harlowton (K1KM)

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

Clear

68°F

20°C

Humidity 32%
Wind Speed S 18 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 19 Jun 07:55 PM MDT
Extended Forecast for

Harlowton MT

  • Tonight

    Tonight: Partly cloudy, with a low around 43. East southeast wind 12 to 17 mph becoming light and variable  after midnight.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 77. Light and variable wind becoming north 5 to 10 mph in the afternoon.  Chance of precipitation is 40%.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms before 11pm.  Mostly cloudy, with a low around 49. West northwest wind 8 to 15 mph.

    Low: 49 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75. West northwest wind 13 to 15 mph.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 44. North wind 8 to 16 mph.  Chance of precipitation is 40%.

    Low: 44 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 68. North wind 10 to 14 mph.  Chance of precipitation is 50%.

    High: 68 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. North wind 12 to 17 mph decreasing to 5 to 10 mph after midnight.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. Light and variable wind becoming east 5 to 9 mph in the afternoon.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. East wind 9 to 14 mph becoming light east southeast  after midnight.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. East southeast wind 12 to 17 mph becoming light and variable after midnight.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 77. Light and variable wind becoming north 5 to 10 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
A 50 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 49. West northwest wind 8 to 15 mph.
Sunday
Mostly sunny, with a high near 75. West northwest wind 13 to 15 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. North wind 8 to 16 mph. Chance of precipitation is 40%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 68. North wind 10 to 14 mph. Chance of precipitation is 50%.
Monday Night
Mostly clear, with a low around 40. North wind 12 to 17 mph decreasing to 5 to 10 mph after midnight.
Tuesday
Sunny, with a high near 74. Light and variable wind becoming east 5 to 9 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 44. East wind 9 to 14 mph becoming light east southeast after midnight.
Wednesday
Mostly sunny, with a high near 80. Light and variable wind becoming east 6 to 11 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 47. East wind 8 to 13 mph becoming light east northeast after midnight.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 50. East southeast wind 7 to 11 mph becoming west after midnight.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. West northwest wind 7 to 13 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlowton MT
 46.44°N 109.85°W (Elev. 4190 ft)
12:37 pm MDT Jun 19, 2026
9pm MDT Jun 19, 2026-6pm MDT Jun 26, 2026
 
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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