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

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

HELENA VALLEY (HVMT)

Lat: 46.67917°NLon: 111.98333°WElev: 3673.0ft.

NA

38°F

3°C

Humidity 72%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 12 Nov 09:00 PM MST
Extended Forecast for

11 Miles ENE East Helena MT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 43. East southeast wind 9 to 13 mph.

    Low: 43 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 62. Breezy, with an east southeast wind 14 to 22 mph becoming south in the afternoon. Winds could gust as high as 33 mph.

    High: 62 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 48. Breezy, with a south southeast wind 22 to 25 mph, with gusts as high as 36 mph.

    Low: 48 °F

    Slight Chance
    Rain and
    Breezy

  • Friday

    Friday: A 50 percent chance of rain. Mostly cloudy, with a high near 56. Breezy, with a south wind 20 to 24 mph becoming west in the afternoon. Winds could gust as high as 36 mph.

    High: 56 °F

    Chance Rain
    and Breezy

  • Friday Night

    Friday Night: A chance of rain and snow before 11pm. Mostly cloudy, with a low around 41. Breezy, with a west southwest wind 16 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 41 °F

    Chance
    Rain/Snow and
    Breezy then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 52. West wind around 11 mph, with gusts as high as 21 mph.

    High: 52 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. West wind 7 to 10 mph becoming south southeast after midnight.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 51. Southeast wind around 9 mph.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of rain before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 43. East southeast wind 9 to 13 mph.
Thursday
Sunny, with a high near 62. Breezy, with an east southeast wind 14 to 22 mph becoming south in the afternoon. Winds could gust as high as 33 mph.
Thursday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 48. Breezy, with a south southeast wind 22 to 25 mph, with gusts as high as 36 mph.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 56. Breezy, with a south wind 20 to 24 mph becoming west in the afternoon. Winds could gust as high as 36 mph.
Friday Night
A chance of rain and snow before 11pm. Mostly cloudy, with a low around 41. Breezy, with a west southwest wind 16 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
Partly sunny, with a high near 52. West wind around 11 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 38. West wind 7 to 10 mph becoming south southeast after midnight.
Sunday
Mostly sunny, with a high near 51. Southeast wind around 9 mph.
Sunday Night
A chance of rain before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 37.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 45.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 32.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 40.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 29.
Wednesday
A slight chance of snow. Partly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ENE East Helena MT
 46.63°N 111.71°W (Elev. 3999 ft)
Last Update:
8:19 pm MST Nov 12, 2025
Forecast Valid:
9pm MST Nov 12, 2025-6pm MST Nov 19, 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