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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.

unknown precip

32°F

0°C

Humidity 80%
Wind Speed E 10 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 11 Oct 01:45 AM MDT
Extended Forecast for

11 Miles SE Helmville MT

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

    NOW until 6:00am Mon

    Winter Storm Warning

  • Overnight

    Low: 21 °F

    Snow

  • Sunday

    Sunday: Snow, mainly before 9am. High near 35. Northeast wind 7 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 35 °F

    Snow then
    Chance Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 5am. Low around 18. Northeast wind 5 to 14 mph becoming north northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 18 °F

    Snow

  • Columbus Day

    Columbus Day: A 30 percent chance of snow, mainly before 7am. Patchy fog between 9am and 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 41. Calm wind. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance Snow
    and Patchy
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 46.

    High: 46 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

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

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, sunny, with a high near 50.

    High: 50 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Overnight
Snow. Low around 21. Northeast wind around 9 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.
Sunday
Snow, mainly before 9am. High near 35. Northeast wind 7 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Snow, mainly before 5am. Low around 18. Northeast wind 5 to 14 mph becoming north northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Columbus Day
A 30 percent chance of snow, mainly before 7am. Patchy fog between 9am and 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 41. Calm wind. New snow accumulation of less than a half inch possible.
Monday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 18. Calm wind.
Tuesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 46.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Patchy fog before 9am. Otherwise, sunny, with a high near 50.
Wednesday Night
Mostly clear, with a low around 24.
Thursday
Sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SE Helmville MT
 46.77°N 112.76°W (Elev. 4764 ft)
Last Update:
2:01 am MDT Oct 11, 2026
Forecast Valid:
2am MDT Oct 11, 2026-6pm MDT Oct 17, 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