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.

Overcast

5°F

-15°C

Humidity 84%
Wind Speed N 0 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Last update 15 Mar 07:20 AM MDT
Extended Forecast for

Helena MT

  • Today

    Today: Mostly sunny, with a high near 32. Light west southwest wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 32 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of snow after 3am.  Increasing clouds, with a low around 24. West wind around 6 mph becoming light and variable.  Little or no snow accumulation expected.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday

    Monday: Snow likely before noon, then rain likely.  Cloudy, with a high near 48. West southwest wind 6 to 15 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 48 °F

    Snow Likely
    then Rain
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of rain before midnight.  Mostly cloudy, with a low around 42. Southwest wind around 15 mph, with gusts as high as 36 mph.

    Low: 42 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain.  Partly sunny, with a high near 57. Southwest wind 16 to 20 mph, with gusts as high as 41 mph.

    High: 57 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45. Southwest wind 10 to 14 mph, with gusts as high as 29 mph.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 62. West wind 11 to 16 mph, with gusts as high as 33 mph.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. Southwest wind 9 to 13 mph, with gusts as high as 28 mph.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 32. Light west southwest wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
A 30 percent chance of snow after 3am. Increasing clouds, with a low around 24. West wind around 6 mph becoming light and variable. Little or no snow accumulation expected.
Monday
Snow likely before noon, then rain likely. Cloudy, with a high near 48. West southwest wind 6 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 42. Southwest wind around 15 mph, with gusts as high as 36 mph.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 57. Southwest wind 16 to 20 mph, with gusts as high as 41 mph.
Tuesday Night
Mostly cloudy, with a low around 45. Southwest wind 10 to 14 mph, with gusts as high as 29 mph.
Wednesday
Partly sunny, with a high near 62. West wind 11 to 16 mph, with gusts as high as 33 mph.
Wednesday Night
Mostly cloudy, with a low around 44. Southwest wind 9 to 13 mph, with gusts as high as 28 mph.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 68.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.07°W (Elev. 4764 ft)
3:16 am MDT Mar 15, 2026
7am MDT Mar 15, 2026-6pm MDT Mar 21, 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