Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Current conditions at

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

Clear

68°F

20°C

Humidity 37%
Wind Speed N 4 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 18 Jun 09:20 AM MDT
Extended Forecast for

3 Miles W Helena MT

  • Today

    Today: Sunny, with a high near 85. West wind 5 to 13 mph, with gusts as high as 22 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. West northwest wind 6 to 11 mph becoming light west southwest  after midnight. Winds could gust as high as 20 mph.

    Low: 53 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 86. Light and variable wind becoming north 5 to 8 mph in the morning.

    High: 86 °F

    Sunny then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 55. East northeast wind 5 to 8 mph becoming calm  after midnight.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and possibly a thunderstorm after noon.  High near 73. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 80%.

    High: 73 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 50. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    Low: 50 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 66. West wind 6 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%.

    High: 66 °F

    Showers

  • Saturday Night

    Saturday Night: Showers.  Mostly cloudy, with a low around 43. West wind 8 to 14 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Showers

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 59.

    High: 59 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 85. West wind 5 to 13 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 53. West northwest wind 6 to 11 mph becoming light west southwest after midnight. Winds could gust as high as 20 mph.
Juneteenth
A 20 percent chance of showers after noon. Mostly sunny, with a high near 86. Light and variable wind becoming north 5 to 8 mph in the morning.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East northeast wind 5 to 8 mph becoming calm after midnight.
Friday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 73. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm. Low around 50. Northwest wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 66. West wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Saturday Night
Showers. Mostly cloudy, with a low around 43. West wind 8 to 14 mph, with gusts as high as 25 mph.
Sunday
Showers likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 59.
Sunday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 39.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 69.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 45.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Helena MT
 46.6°N 112.11°W (Elev. 4039 ft)
9:25 am MDT Jun 18, 2025
9am MDT Jun 18, 2025-6pm MDT Jun 24, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database