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

60°F

16°C

Humidity 61%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 19 Aug 02:53 AM MDT
Extended Forecast for

East Helena MT

  • Overnight

    Overnight: Patchy smoke after 4am. Partly cloudy, with a low around 52. Light southwest wind.

    Low: 52 °F

    Patchy Smoke

  • Wednesday

    Wednesday: Patchy smoke before 7am. Sunny, with a high near 85. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.

    High: 85 °F

    Patchy Smoke
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Northwest wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. North northeast wind around 6 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91. Light and variable wind.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 58. East northeast wind around 5 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 86. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 86 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Patchy smoke after 4am. Partly cloudy, with a low around 52. Light southwest wind.
Wednesday
Patchy smoke before 7am. Sunny, with a high near 85. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 52. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 90. Calm wind becoming north northeast around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 55. North northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 91. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 58. East northeast wind around 5 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 86. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly 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 53.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
East Helena MT
 46.59°N 111.92°W (Elev. 3891 ft)
12:31 am MDT Aug 19, 2026
3am MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database