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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Helmville MT-200 MP 53.3 (MTHLM)

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

NA

33°F

1°C

Humidity 99%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 16 Nov 03:00 AM MST
Extended Forecast for

Helmville MT

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 55. Calm wind.

    High: 55 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly between midnight and 1am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: A 50 percent chance of rain. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 53. Calm wind becoming west around 5 mph in the afternoon.

    High: 53 °F

    Chance Rain
    and Patchy
    Fog

  • Monday Night

    Monday Night: A 40 percent chance of rain. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Chance Rain
    and Patchy
    Fog

  • Tuesday

    Tuesday: A 40 percent chance of rain. Patchy fog before 8am. Otherwise, partly sunny, with a high near 50.

    High: 50 °F

    Chance Rain
    and Patchy
    Fog

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain and snow, mainly before 11am. Snow level 5200 feet. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 30. Calm wind.
Sunday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 55. Calm wind.
Sunday Night
A 30 percent chance of rain, mainly between midnight and 1am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 31. Calm wind.
Monday
A 50 percent chance of rain. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 53. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
A 40 percent chance of rain. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 30. Calm wind.
Tuesday
A 40 percent chance of rain. Patchy fog before 8am. Otherwise, partly sunny, with a high near 50.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 27.
Wednesday
A chance of rain and snow, mainly before 11am. Snow level 5200 feet. Mostly cloudy, with a high near 46.
Wednesday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 22.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 47.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 46.
Friday Night
A chance of rain and snow. Snow level 5300 feet lowering to 4600 feet after midnight . Mostly cloudy, with a low around 25.
Saturday
A chance of rain and snow. Snow level 4500 feet rising to 5200 feet in the afternoon. Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helmville MT
 46.86°N 112.97°W (Elev. 4377 ft)
Last Update:
1:02 am MST Nov 16, 2025
Forecast Valid:
3am MST Nov 16, 2025-6pm MST Nov 22, 2025
 
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