Major Winter Storm in the North-Central U.S.; Severe Weather from the Mid-South to Ohio Valley

A major winter storm will bring a swath of heavy snowfall, strong winds, blizzard conditions and freezing rain to the Northern Plains into the Great Lakes region. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-south to the Ohio Valley and the Southeast. Critical fire weather concerns shift to the southern Rockies and Plains. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

22°F

-6°C

Humidity 71%
Wind Speed N 3 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 15 Mar 05:53 PM MDT
Extended Forecast for

Helena MT

  • Tonight

    Tonight: A 40 percent chance of snow, mainly between 11pm and 4am.  Increasing clouds, with a low around 23. West northwest wind around 5 mph becoming calm.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow

  • Monday

    Monday: A chance of snow before 10am, then a chance of rain and snow between 10am and noon, then a chance of rain after noon.  Cloudy, with a high near 50. West southwest wind 6 to 13 mph, with gusts as high as 31 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 50 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain before midnight.  Mostly cloudy, with a low around 42. Southwest wind 11 to 14 mph, with gusts as high as 31 mph.

    Low: 42 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59. Southwest wind 13 to 15 mph, with gusts as high as 32 mph.

    High: 59 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45. Southwest wind 8 to 11 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. Southwest wind 11 to 16 mph, with gusts as high as 38 mph.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. Southwest wind 7 to 13 mph, with gusts as high as 33 mph.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70. South southwest wind 9 to 16 mph, with gusts as high as 32 mph.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of snow, mainly between 11pm and 4am. Increasing clouds, with a low around 23. West northwest wind around 5 mph becoming calm. Total nighttime snow accumulation of less than a half inch possible.
Monday
A chance of snow before 10am, then a chance of rain and snow between 10am and noon, then a chance of rain after noon. Cloudy, with a high near 50. West southwest wind 6 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Monday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 42. Southwest wind 11 to 14 mph, with gusts as high as 31 mph.
Tuesday
Partly sunny, with a high near 59. Southwest wind 13 to 15 mph, with gusts as high as 32 mph.
Tuesday Night
Mostly cloudy, with a low around 45. Southwest wind 8 to 11 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 64. Southwest wind 11 to 16 mph, with gusts as high as 38 mph.
Wednesday Night
Mostly cloudy, with a low around 44. Southwest wind 7 to 13 mph, with gusts as high as 33 mph.
Thursday
Mostly sunny, with a high near 70. South southwest wind 9 to 16 mph, with gusts as high as 32 mph.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 71.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
A slight chance of rain. Mostly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 61.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.01°W (Elev. 4111 ft)
5:17 pm MDT Mar 15, 2026
6pm MDT Mar 15, 2026-6pm MDT Mar 22, 2026
 
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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