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

Severe Thunderstorms and Heavy Rain Across the Central US; Wintry Mix in the Northern Plains and Northeast

Severe thunderstorms and flash flooding are possible across the central U.S. through Saturday. Large hail, damaging winds, and tornadoes are all possible. There is an increased threat for wildfire development in the southern to central High Plains. A wintry mix of snow, sleet and freezing rain are forecast across portions of the northern Plains and central New England into early Friday morning. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Partly Cloudy

37°F

3°C

Humidity 60%
Wind Speed W 17 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 05 Mar 09:20 PM MST
Extended Forecast for

Helena MT

  • Tonight

    Tonight: A 50 percent chance of snow, mainly before 5am. Mostly cloudy, with a low around 29. West wind 6 to 10 mph, with gusts as high as 23 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow

  • Friday

    Friday: A slight chance of snow before 8am, then a slight chance of snow after 2pm. Mostly sunny, with a high near 42. West wind 6 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. West southwest wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Partly sunny, with a high near 49. West wind 11 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. West southwest wind 15 to 18 mph, with gusts as high as 37 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 11am. Mostly sunny, with a high near 55. Breezy, with a south southwest wind 15 to 24 mph, with gusts as high as 46 mph.

    High: 55 °F

    Slight Chance
    Rain and
    Breezy

  • Sunday Night

    Sunday Night: A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 39. Windy, with a west southwest wind 21 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 39 °F

    Chance Rain
    and Windy
    then Chance
    Rain/Snow and
    Breezy

  • Monday

    Monday: A chance of rain and snow before 8am, then a chance of snow between 8am and 11am, then a chance of rain after 11am. Partly sunny, with a high near 49. Breezy, with a west southwest wind 17 to 26 mph, with gusts as high as 48 mph.

    High: 49 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Rain

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 27. Breezy.

    Low: 27 °F

    Chance Snow
    and Breezy

Detailed Forecast

Tonight
A 50 percent chance of snow, mainly before 5am. Mostly cloudy, with a low around 29. West wind 6 to 10 mph, with gusts as high as 23 mph. Total nighttime snow accumulation of less than a half inch possible.
Friday
A slight chance of snow before 8am, then a slight chance of snow after 2pm. Mostly sunny, with a high near 42. West wind 6 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 30. West southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Saturday
A slight chance of snow before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Partly sunny, with a high near 49. West wind 11 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 40. West southwest wind 15 to 18 mph, with gusts as high as 37 mph.
Sunday
A 20 percent chance of rain after 11am. Mostly sunny, with a high near 55. Breezy, with a south southwest wind 15 to 24 mph, with gusts as high as 46 mph.
Sunday Night
A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 39. Windy, with a west southwest wind 21 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
A chance of rain and snow before 8am, then a chance of snow between 8am and 11am, then a chance of rain after 11am. Partly sunny, with a high near 49. Breezy, with a west southwest wind 17 to 26 mph, with gusts as high as 48 mph.
Monday Night
A chance of snow. Mostly cloudy, with a low around 27. Breezy.
Tuesday
A chance of snow. Partly sunny, with a high near 35. Breezy.
Tuesday Night
A slight chance of snow. Partly cloudy, with a low around 23. Breezy.
Wednesday
A chance of snow. Partly sunny, with a high near 42.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 32.
Thursday
A chance of snow. Partly sunny, with a high near 46. Windy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.07°W (Elev. 4764 ft)
Last Update:
5:07 pm MST Mar 5, 2026
Forecast Valid:
9pm MST Mar 5, 2026-6pm MDT Mar 12, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation