Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

57°F

14°C

Humidity 71%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 19 Aug 08:35 AM MDT
Extended Forecast for

4 Miles NW Helena MT

  • Today

    Today: Sunny, with a high near 85. Light west wind becoming west northwest 5 to 10 mph in the morning.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. West wind 5 to 11 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. North northwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 89. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 58. East northeast wind 5 to 7 mph becoming calm  after midnight.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 85. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 40%.

    High: 85 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 55. West southwest wind 5 to 7 mph.

    Low: 55 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon.  Sunny, with a high near 82.

    High: 82 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 85. Light west wind becoming west northwest 5 to 10 mph in the morning.
Tonight
Mostly clear, with a low around 53. West wind 5 to 11 mph.
Thursday
Sunny, with a high near 90. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 56. North northwest wind 5 to 7 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 89. Calm wind becoming east northeast around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 58. East northeast wind 5 to 7 mph becoming calm after midnight.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 85. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55. West southwest wind 5 to 7 mph.
Sunday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Helena MT
 46.64°N 112.09°W (Elev. 3999 ft)
4:16 am MDT Aug 19, 2026
8am MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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