Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms are possible from the Ohio Valley to the central Plains this evening, and the threat will expand into the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Alaska through this evening and for the Four Corners region through Monday. Read More >

Current conditions at

Kilo - Harlowton (K1KM)

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

Clear

73°F

23°C

Humidity 31%
Wind Speed ENE 5 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 21 Jun 04:55 PM MDT
Extended Forecast for

Harlowton MT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 76. North northeast wind around 11 mph.

    High: 76 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 47. North northeast wind 5 to 11 mph becoming east in the evening.  Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 9am.  Partly sunny, with a high near 67. North northwest wind 7 to 16 mph.  Chance of precipitation is 50%.

    High: 67 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 8pm.  Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 41. North wind 6 to 15 mph.

    Low: 41 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Tuesday

    Tuesday: Sunny, with a high near 71. Northwest wind 6 to 11 mph becoming north northeast in the afternoon.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44. North northeast wind 6 to 11 mph becoming light and variable  after midnight.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74. Light and variable wind becoming east southeast 6 to 11 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47. East wind 8 to 13 mph becoming light  after midnight.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 79. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76. North northeast wind around 11 mph.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. North northeast wind 5 to 11 mph becoming east in the evening. Chance of precipitation is 40%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 9am. Partly sunny, with a high near 67. North northwest wind 7 to 16 mph. Chance of precipitation is 50%.
Monday Night
A 20 percent chance of showers and thunderstorms before 8pm. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 41. North wind 6 to 15 mph.
Tuesday
Sunny, with a high near 71. Northwest wind 6 to 11 mph becoming north northeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 44. North northeast wind 6 to 11 mph becoming light and variable after midnight.
Wednesday
Mostly sunny, with a high near 74. Light and variable wind becoming east southeast 6 to 11 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 47. East wind 8 to 13 mph becoming light after midnight.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51. East southeast wind 5 to 10 mph becoming light and variable after midnight.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Light and variable wind becoming west southwest 11 to 16 mph in the afternoon.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. West northwest wind 10 to 15 mph. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm. High near 70. West northwest wind 13 to 20 mph. Chance of precipitation is 80%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 43. West northwest wind 17 to 22 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 62. West wind 24 to 32 mph, with gusts as high as 41 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlowton MT
 46.44°N 109.82°W (Elev. 4199 ft)
3:54 pm MDT Jun 21, 2026
5pm MDT Jun 21, 2026-6pm MDT Jun 28, 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