National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

HELENA VALLEY (HVMT)

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

NA

80°F

27°C

Humidity 28%
Wind Speed NNW 3 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Heat Index79°F (26°C)
Last update 29 Jul 09:00 PM MDT
Extended Forecast for

7 Miles N Helena MT

Fire Weather Watch August 1, 02:00pm until August 2, 09:00pm
Click here for hazard details and duration
Fire Weather Watch

  • Tonight

    Tonight: Patchy smoke. Partly cloudy, with a low around 54. East wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Patchy Smoke

  • Thursday

    Thursday: Patchy smoke before 7am, then patchy smoke after 1pm. Sunny, with a high near 93. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 93 °F

    Patchy Smoke

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Patchy smoke. Increasing clouds, with a low around 54. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers then
    Patchy Smoke

  • Friday

    Friday: Patchy smoke before 7am. Sunny, with a high near 95. Calm wind becoming west around 6 mph in the afternoon.

    High: 95 °F

    Patchy Smoke
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. Light south wind becoming southwest 9 to 14 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. Southwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. West wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 46. Breezy.

    Low: 46 °F

    Clear and
    Breezy then
    Mostly Clear

Detailed Forecast

Tonight
Patchy smoke. Partly cloudy, with a low around 54. East wind around 5 mph becoming calm in the evening.
Thursday
Patchy smoke before 7am, then patchy smoke after 1pm. Sunny, with a high near 93. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Patchy smoke. Increasing clouds, with a low around 54. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
Patchy smoke before 7am. Sunny, with a high near 95. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 56. Northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 99. Light south wind becoming southwest 9 to 14 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly clear, with a low around 55. Southwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph.
Sunday
Sunny, with a high near 84. West wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
Clear, with a low around 46. Breezy.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles N Helena MT
 46.69°N 111.97°W (Elev. 3714 ft)
Last Update:
9:31 pm MDT Jul 29, 2026
Forecast Valid:
9pm MDT Jul 29, 2026-6pm MDT Aug 5, 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