October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

63°F

17°C

Humidity 27%
Wind Speed ESE 5 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 05 Oct 08:53 PM MDT
Extended Forecast for

East Helena MT

  • Tonight

    Tonight: Partly cloudy, with a low around 47. South southwest wind 3 to 8 mph.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. Northwest wind around 5 mph becoming light and variable  after midnight.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. Northwest wind around 5 mph becoming calm  after midnight.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Calm wind becoming north around 5 mph in the afternoon.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. North wind around 5 mph becoming calm  after midnight.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 78. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 47. South southwest wind 3 to 8 mph.
Tuesday
Sunny, with a high near 78. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 43. Northwest wind around 5 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 77. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 43. Northwest wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 75. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 43. North wind around 5 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 78. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Partly cloudy, with a low around 45.
Saturday
A chance of rain, mainly after noon. Partly sunny, with a high near 62.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 31.
Sunday
Rain and snow. Mostly cloudy, with a high near 45.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 27.
Columbus Day
A chance of rain and snow. Partly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
East Helena MT
 46.59°N 111.92°W (Elev. 3891 ft)
4:46 am MDT Oct 5, 2026
9pm MDT Oct 5, 2026-6pm MDT Oct 12, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database