Flooding Threat in Parts of Texas and New Mexico; Heat in the Western U.S.

Heavy to excessive rainfall across parts of central Texas into southern New Mexico may bring areas of flooding into this evening. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Hot temperatures are forecast for the far southwest U.S., parts of California, and the interior northwest U.S. this week. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

85°F

29°C

Humidity 18%
Wind Speed SE 5 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 31 Aug 03:53 PM MDT
Extended Forecast for

Helena MT

  • Tonight

    Tonight: Widespread haze before 9pm, then widespread haze after 1am. Partly cloudy, with a low around 54. East wind around 5 mph becoming calm  in the evening.

    Low: 54 °F

    Haze

  • Labor Day

    Labor Day: Widespread haze before 2pm. Sunny, with a high near 90. Calm wind becoming east around 6 mph in the afternoon.

    High: 90 °F

    Haze

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. East wind around 6 mph becoming calm  in the evening.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 89. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. North wind 5 to 10 mph becoming light northwest  after midnight. Winds could gust as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. North northwest wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Light and variable wind becoming north 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Widespread haze before 9pm, then widespread haze after 1am. Partly cloudy, with a low around 54. East wind around 5 mph becoming calm in the evening.
Labor Day
Widespread haze before 2pm. Sunny, with a high near 90. Calm wind becoming east around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 54. East wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 89. Calm wind becoming north 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 54. North wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 18 mph.
Wednesday
Sunny, with a high near 86. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 54. North northwest wind 5 to 8 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 84. Light and variable wind becoming north 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 50.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 53.
Sunday
A chance of showers. Partly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.61°N 111.96°W (Elev. 3796 ft)
2:08 pm MDT Aug 31, 2025
4pm MDT Aug 31, 2025-6pm MDT Sep 7, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database