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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

Helmville MT-200 MP 53.3 (MTHLM)

Lat: 46.96826°NLon: 112.97487°WElev: 4199.0ft.

NA

42°F

6°C

Humidity 73%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 10 Oct 06:00 AM MDT
Extended Forecast for

Helmville MT

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

  • Today

    Today: Rain before 4pm, then rain, possibly mixed with snow. Patchy fog before 11am. Snow level 6900 feet lowering to 5100 feet in the afternoon . High near 49. Light northeast wind increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 49 °F

    Rain and
    Patchy Fog
    then
    Rain/Snow

  • Tonight

    Tonight: Rain and snow, becoming all snow after 1am. Low around 20. East northeast wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 20 °F

    Rain/Snow
    then Snow

  • Sunday

    Sunday: Snow, mainly before 9am. High near 39. East northeast wind around 9 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 39 °F

    Snow then
    Snow Likely

  • Sunday Night

    Sunday Night: Snow. Low around 18. East northeast wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 18 °F

    Snow

  • Columbus Day

    Columbus Day: A 30 percent chance of snow before noon. Patchy fog between 9am and 10am. Snow level rising to 5500 feet in the afternoon. Otherwise, partly sunny, with a high near 45. Calm wind. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Chance Snow
    and Patchy
    Fog then
    Partly Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 17.

    Low: 17 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 10am. Otherwise, sunny, with a high near 51.

    High: 51 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

Today
Rain before 4pm, then rain, possibly mixed with snow. Patchy fog before 11am. Snow level 6900 feet lowering to 5100 feet in the afternoon . High near 49. Light northeast wind increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tonight
Rain and snow, becoming all snow after 1am. Low around 20. East northeast wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday
Snow, mainly before 9am. High near 39. East northeast wind around 9 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Sunday Night
Snow. Low around 18. East northeast wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Columbus Day
A 30 percent chance of snow before noon. Patchy fog between 9am and 10am. Snow level rising to 5500 feet in the afternoon. Otherwise, partly sunny, with a high near 45. Calm wind. New snow accumulation of less than a half inch possible.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 17.
Tuesday
Areas of fog before 10am. Otherwise, sunny, with a high near 51.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Sunny, with a high near 54.
Wednesday Night
A slight chance of rain before 3am, then a slight chance of snow. Partly cloudy, with a low around 22.
Thursday
A slight chance of rain and snow. Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helmville MT
 46.86°N 112.97°W (Elev. 4377 ft)
Last Update:
2:01 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