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

Helena Regional Airport (KHLN)

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

Overcast

46°F

8°C

Humidity 70%
Wind Speed SW 5 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 15 Nov 05:20 AM MST
Extended Forecast for

2 Miles N Helena MT

  • Overnight

    Overnight: A 20 percent chance of rain.  Mostly cloudy, with a low around 38. South southwest wind around 8 mph.

    Low: 38 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Partly sunny, with a high near 58. South wind 7 to 10 mph becoming west in the morning. Winds could gust as high as 20 mph.

    High: 58 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 32. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 32 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 55. Light and variable wind.

    High: 55 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 36. Light south wind.

    Low: 36 °F

    Slight Chance
    Rain

  • Monday

    Monday: A chance of rain and snow before 8am, then a chance of rain.  Mostly cloudy, with a high near 54. Calm wind becoming west southwest around 6 mph in the afternoon.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 54 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Monday Night

    Monday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 33. West southwest wind 3 to 6 mph.

    Low: 33 °F

    Chance Rain

  • Tuesday

    Tuesday: A chance of rain and snow before 10am, then a chance of rain.  Partly sunny, with a high near 51. Calm wind becoming west around 5 mph in the afternoon.

    High: 51 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of snow after 2am.  Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a low around 38. South southwest wind around 8 mph.
Saturday
Partly sunny, with a high near 58. South wind 7 to 10 mph becoming west in the morning. Winds could gust as high as 20 mph.
Saturday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 32. West southwest wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 55. Light and variable wind.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 36. Light south wind.
Monday
A chance of rain and snow before 8am, then a chance of rain. Mostly cloudy, with a high near 54. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33. West southwest wind 3 to 6 mph.
Tuesday
A chance of rain and snow before 10am, then a chance of rain. Partly sunny, with a high near 51. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
A chance of rain before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of snow after 2am. Mostly cloudy, with a low around 29.
Wednesday
A chance of snow, mixing with rain after 10am, then gradually ending. Partly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Partly sunny, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Helena MT
 46.63°N 112.02°W (Elev. 3789 ft)
5:12 am MST Nov 15, 2025
5am MST Nov 15, 2025-6pm MST Nov 21, 2025
 
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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