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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

47°F

8°C

Humidity 70%
Wind Speed ENE 3 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 04 Oct 03:53 AM MDT
Extended Forecast for

3 Miles SSE Helena MT

  • Today

    Today: Patchy smoke before 9am. Sunny, with a high near 74. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 74 °F

    Patchy Smoke
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. Calm wind becoming south southwest 5 to 9 mph in the evening.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 78. Southwest wind 5 to 14 mph, with gusts as high as 28 mph.

    High: 78 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 74. Light and variable wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. Southwest wind 5 to 7 mph.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Light and variable wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. West southwest wind 3 to 7 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Patchy smoke before 9am. Sunny, with a high near 74. Calm wind becoming east 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 52. Calm wind becoming south southwest 5 to 9 mph in the evening.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 78. Southwest wind 5 to 14 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 51. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 74. Light and variable wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 48. Southwest wind 5 to 7 mph.
Wednesday
Sunny, with a high near 73. Light and variable wind becoming west northwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 48. West southwest wind 3 to 7 mph.
Thursday
Sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 47.
Saturday
A chance of rain. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Helena MT
 46.56°N 112.01°W (Elev. 5200 ft)
Last Update:
12:31 am MDT Oct 4, 2026
Forecast Valid:
4am MDT Oct 4, 2026-6pm MDT Oct 10, 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