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Heavy Rain in the Southern Appalachians; Fire Weather and Heat in the West; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding today. Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin and northern Rockies today and Thursday. Hot to extremely hot temperatures are in place through today across parts of the western U.S. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

70°F

21°C

Humidity 40%
Wind Speed W 3 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 13 Aug 09:20 AM MDT
Extended Forecast for

East Helena MT

  • Today

    Today: Sunny, with a high near 93. Light and variable wind becoming west northwest 15 to 20 mph in the morning. Winds could gust as high as 29 mph.

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. West northwest wind 15 to 20 mph becoming southwest 6 to 11 mph in the evening. Winds could gust as high as 28 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Southwest wind 5 to 14 mph becoming north northwest in the morning. Winds could gust as high as 26 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. Northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 87. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. West northwest wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 20 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56. West northwest wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 18 mph.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 93. Light and variable wind becoming west northwest 15 to 20 mph in the morning. Winds could gust as high as 29 mph.
Tonight
Mostly clear, with a low around 54. West northwest wind 15 to 20 mph becoming southwest 6 to 11 mph in the evening. Winds could gust as high as 28 mph.
Thursday
Sunny, with a high near 87. Southwest wind 5 to 14 mph becoming north northwest in the morning. Winds could gust as high as 26 mph.
Thursday Night
Mostly clear, with a low around 52. Northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Friday
Mostly sunny, with a high near 87. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 55. West northwest wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 89. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around 56. West northwest wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 18 mph.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Helena MT
 46.59°N 111.92°W (Elev. 3891 ft)
Last Update:
8:08 am MDT Aug 13, 2025
Forecast Valid:
9am MDT Aug 13, 2025-6pm MDT Aug 19, 2025
 
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