Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest this afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

34°F

1°C

Humidity 59%
Wind Speed N 0 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 12 Feb 11:05 AM MST
Extended Forecast for

Helena MT

  • Today

    Today: Sunny, with a high near 47. Light and variable wind.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 25. South southwest wind 6 to 8 mph.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 48. South southwest wind 5 to 7 mph becoming calm  in the morning.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow before 11am.  Mostly cloudy, with a high near 49. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 49 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain before 2am, then a chance of rain and snow.  Mostly cloudy, with a low around 30. West southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow before 2pm, then a chance of rain.  Partly sunny, with a high near 47. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 47 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A slight chance of rain before 11pm.  Partly cloudy, with a low around 27. Light and variable wind.

    Low: 27 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: A slight chance of snow before 11am, then a slight chance of rain.  Partly sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 47. Light and variable wind.
Tonight
Partly cloudy, with a low around 25. South southwest wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 48. South southwest wind 5 to 7 mph becoming calm in the morning.
Friday Night
Mostly cloudy, with a low around 27. Calm wind.
Saturday
A 20 percent chance of snow before 11am. Mostly cloudy, with a high near 49. Calm wind becoming west southwest around 6 mph in the afternoon.
Saturday Night
A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 30. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
A chance of rain and snow before 2pm, then a chance of rain. Partly sunny, with a high near 47. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 27. Light and variable wind.
Washington's Birthday
A slight chance of snow before 11am, then a slight chance of rain. Partly sunny, with a high near 47.
Monday Night
A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 26.
Tuesday
Snow likely. Mostly cloudy, with a high near 40.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 21.
Wednesday
A chance of snow. Partly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.61°N 111.99°W (Elev. 3878 ft)
9:12 am MST Feb 12, 2026
11am MST Feb 12, 2026-6pm MST Feb 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database