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Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Hazardous Weather Conditions

Current conditions at

Helena Regional Airport (KHLN)

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

Mostly Cloudy

54°F

12°C

Humidity 43%
Wind Speed WSW 6 MPH
Barometer 29.65 in (1004.06 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 10 Oct 06:35 AM MDT
Extended Forecast for

Helena MT

Winter Weather Advisory October 10, 06:00pm until October 12, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Rain before 4pm, then rain, possibly mixed with snow. Temperature falling to around 34 by 4pm. Light and variable wind becoming north northwest 9 to 14 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 48 °F⇓

    Chance Rain
    then
    Rain/Snow

  • Tonight

    Tonight: Rain and snow, becoming all snow after 7pm. Low around 27. North wind 11 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Rain/Snow
    then Snow

  • Sunday

    Sunday: Snow. Steady temperature around 29. North wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 29 °F

    Snow

  • Sunday Night

    Sunday Night: Snow. Low around 24. North northwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 24 °F

    Snow

  • Columbus Day

    Columbus Day: Snow likely before noon. Mostly cloudy, with a high near 41. North northwest wind around 6 mph becoming calm in the morning. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow Likely
    then Partly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22. Light and variable wind.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. Light south southwest wind.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25. Calm wind becoming southwest around 6 mph.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

Today
Rain before 4pm, then rain, possibly mixed with snow. Temperature falling to around 34 by 4pm. Light and variable wind becoming north northwest 9 to 14 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tonight
Rain and snow, becoming all snow after 7pm. Low around 27. North wind 11 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow. Steady temperature around 29. North wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Snow. Low around 24. North northwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Columbus Day
Snow likely before noon. Mostly cloudy, with a high near 41. North northwest wind around 6 mph becoming calm in the morning. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
Partly cloudy, with a low around 22. Light and variable wind.
Tuesday
Mostly sunny, with a high near 47. Light south southwest wind.
Tuesday Night
Mostly clear, with a low around 25. Calm wind becoming southwest around 6 mph.
Wednesday
Sunny, with a high near 52.
Wednesday Night
A slight chance of rain after midnight. Partly cloudy, with a low around 29.
Thursday
A slight chance of rain. Mostly sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 27.
Friday
Sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.61°N 112.02°W (Elev. 3940 ft)
Last Update:
3:47 am MDT Oct 10, 2026
Forecast Valid:
6am MDT Oct 10, 2026-6pm MDT Oct 16, 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