National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tropical Storm Edouard Impacting the Northwestern Gulf Coast; Hazardous Heat expands in the East

Tropical Storm Edouard will impact the northwestern Gulf Coast through Wednesday with gusty winds, storm surge, and heavy rainfall. Flash and river flooding will be possible, especially in southeastern Texas. Hazardous heat will expand across the central and eastern U.S. by mid-week, and daily chances for severe thunderstorms are expected from the eastern Great Lakes to the Mid-Atlantic this week. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

77°F

25°C

Humidity 25%
Wind Speed E 5 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 01 Sep 07:20 PM MDT
Extended Forecast for

2 Miles N East Helena MT

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Patchy smoke between 10pm and 11pm. Mostly cloudy, with a low around 51. West southwest wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 81. South southeast wind 5 to 10 mph becoming south southwest 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. West wind 6 to 14 mph becoming south after midnight. Winds could gust as high as 24 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77. South wind 6 to 15 mph, with gusts as high as 26 mph.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47. West southwest wind 8 to 13 mph becoming light west after midnight. Winds could gust as high as 24 mph.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before midnight. Partly cloudy, with a low around 47. Northwest wind 5 to 8 mph, with gusts as high as 18 mph.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 76. Calm wind becoming north around 6 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers before midnight. Partly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Patchy smoke between 10pm and 11pm. Mostly cloudy, with a low around 51. West southwest wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 81. South southeast wind 5 to 10 mph becoming south southwest 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Wednesday Night
Mostly cloudy, with a low around 46. West wind 6 to 14 mph becoming south after midnight. Winds could gust as high as 24 mph.
Thursday
Mostly sunny, with a high near 77. South wind 6 to 15 mph, with gusts as high as 26 mph.
Thursday Night
Mostly cloudy, with a low around 47. West southwest wind 8 to 13 mph becoming light west after midnight. Winds could gust as high as 24 mph.
Friday
Mostly sunny, with a high near 77. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
Friday Night
A 30 percent chance of showers, mainly before midnight. Partly cloudy, with a low around 47. Northwest wind 5 to 8 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 76. Calm wind becoming north around 6 mph in the afternoon.
Saturday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 46.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 48.
Labor Day
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 74.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N East Helena MT
 46.61°N 111.93°W (Elev. 3819 ft)
Last Update:
4:06 pm MDT Sep 1, 2026
Forecast Valid:
7pm MDT Sep 1, 2026-6pm MDT Sep 8, 2026
 
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