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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Overcast

32°F

0°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 30°F (-1°C)
Visibility 7.00 mi
Last update 02 Jan 06:20 AM MST
Extended Forecast for

Helena MT

  • Today

    Today: A 20 percent chance of rain before 7am. Mostly cloudy, with a high near 45. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 45 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. South southwest wind around 6 mph.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 47. South southeast wind 5 to 7 mph.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. South wind around 9 mph, with gusts as high as 18 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49. South wind around 10 mph, with gusts as high as 24 mph.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. South southwest wind 6 to 9 mph.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of rain and snow. Partly sunny, with a high near 44. South southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain/Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. Southwest wind around 8 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of rain before 7am. Mostly cloudy, with a high near 45. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 32. South southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 47. South southeast wind 5 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 34. South wind around 9 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 49. South wind around 10 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 30. South southwest wind 6 to 9 mph.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 44. South southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 29. Southwest wind around 8 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 30.
Wednesday
A chance of snow. Partly sunny, with a high near 40.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 22.
Thursday
A slight chance of snow. Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.01°W (Elev. 4111 ft)
Last Update:
4:37 am MST Jan 2, 2026
Forecast Valid:
6am MST Jan 2, 2026-6pm MST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation