Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Hazardous Weather Conditions

Current conditions at

Helena Regional Airport (KHLN)

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

smoke

63°F

17°C

Humidity 42%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 39°F (4°C)
Visibility 6.00 mi
Last update 28 Jul 06:35 AM MDT
Extended Forecast for

4 Miles SSW Helena MT

  • Today

    Today: Areas of smoke. Sunny, with a high near 88. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 88 °F

    Areas Smoke

  • Tonight

    Tonight: Areas of smoke. Mostly clear, with a low around 60. West wind 5 to 8 mph.

    Low: 60 °F

    Areas Smoke

  • Wednesday

    Wednesday: Patchy smoke. Sunny, with a high near 87. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 87 °F

    Patchy Smoke

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 60. South wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 60 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 89. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after midnight.  Mostly clear, with a low around 61. North northwest wind around 6 mph becoming light and variable  in the evening.

    Low: 61 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 91. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 62. Northwest wind around 6 mph becoming light and variable  after midnight.

    Low: 62 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Today
Areas of smoke. Sunny, with a high near 88. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Tonight
Areas of smoke. Mostly clear, with a low around 60. West wind 5 to 8 mph.
Wednesday
Patchy smoke. Sunny, with a high near 87. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 60. South wind 5 to 8 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 89. Calm wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly clear, with a low around 61. North northwest wind around 6 mph becoming light and variable in the evening.
Friday
Sunny, with a high near 91. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Friday Night
Clear, with a low around 62. Northwest wind around 6 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 95.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Helena MT
 46.53°N 112.1°W (Elev. 5367 ft)
4:06 am MDT Jul 28, 2026
6am MDT Jul 28, 2026-6pm MDT Aug 3, 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