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Heat Continues Across the Southern Plains and Gulf Coast; Heavy Rainfall from the Tennessee Valley to Southeast on Friday

Hazardous heat will continue across the Southern Plains, Gulf Coast and Desert Southwest through the weekend. Additional heat will build into the Great Basin and Northern Plains this weekend. A stalled front is expected to bring periods of heavy to excessive rainfall and flooding from the Tennessee Valley to the Southeast U.S on Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

86°F

30°C

Humidity 40%
Wind Speed ESE 8 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 23 Jul 08:05 PM MDT
Extended Forecast for

Helena MT

Heat Advisory July 24, 12:00pm until July 26, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Patchy smoke before 3am. Mostly clear, with a low around 63. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Patchy Smoke

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 96. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. West wind 5 to 8 mph becoming south in the evening. Winds could gust as high as 21 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 98. Light and variable wind becoming south southwest 8 to 13 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. West northwest wind 6 to 8 mph.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93. Calm wind becoming northwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Patchy smoke before 3am. Mostly clear, with a low around 63. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 96. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Mostly clear, with a low around 62. West wind 5 to 8 mph becoming south in the evening. Winds could gust as high as 21 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 98. Light and variable wind becoming south southwest 8 to 13 mph in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
Mostly clear, with a low around 62. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 94. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly clear, with a low around 60. West northwest wind 6 to 8 mph.
Monday
Sunny, with a high near 93. Calm wind becoming northwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.59°N 111.98°W (Elev. 3996 ft)
Last Update:
5:02 pm MDT Jul 23, 2026
Forecast Valid:
8pm MDT Jul 23, 2026-6pm MDT Jul 30, 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