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 VALLEY (HVMT)

Lat: 46.67917°NLon: 111.98333°WElev: 3673.0ft.

NA

78°F

26°C

Humidity 28%
Wind Speed WNW 8 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Heat Index78°F (26°C)
Last update 18 Jun 02:00 PM MDT
Extended Forecast for

7 Miles N Helena MT

  • Tonight

    Tonight: Mostly clear, with a low around 48. West wind 6 to 11 mph becoming light  in the evening. Winds could gust as high as 20 mph.

    Low: 48 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 87. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 87 °F

    Sunny then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 53. North wind 5 to 7 mph becoming calm  after midnight.

    Low: 53 °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 northwest 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 47. Northwest wind 6 to 11 mph becoming light west northwest  after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 80%.

    Low: 47 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 66. Light west wind becoming west northwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 80%.

    High: 66 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely.  Mostly cloudy, with a low around 40. West wind 6 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%.

    Low: 40 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 59. West wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 59 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 37.

    Low: 37 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 48. West wind 6 to 11 mph becoming light in the evening. Winds could gust as high as 20 mph.
Juneteenth
A 20 percent chance of showers after noon. Mostly sunny, with a high near 87. Calm wind becoming north 5 to 7 mph in the afternoon.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. North wind 5 to 7 mph becoming calm after midnight.
Friday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 73. Light northwest 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 47. Northwest wind 6 to 11 mph becoming light west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 66. Light west wind becoming west northwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 80%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 40. West wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Sunday
Showers likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 59. West wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 37.
Monday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 46.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles N Helena MT
 46.69°N 111.97°W (Elev. 3714 ft)
10:37 am MDT Jun 18, 2025
3pm MDT Jun 18, 2025-6pm MDT Jun 25, 2025
 
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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