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

Severe Thunderstorms and Heavy Rain from the Southern Plains to the Ohio Valley; Wintry Mix in the Northeast

Numerous showers and thunderstorms, some severe, are expected from the southern Plains to the Ohio Valley. The repeating nature of some showers and thunderstorms may lead to isolated flash flooding across the Ohio Valley. An area of freezing rain, with some snow on the northern edge, will cause hazardous travel conditions over portions of New England. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

54°F

12°C

Humidity 16%
Wind Speed SW 6 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 8°F (-13°C)
Visibility 7.00 mi
Last update 03 Mar 07:35 PM MST
Extended Forecast for

Helena MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. West southwest wind 3 to 8 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after 4pm. Mostly cloudy, with a high near 54. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 54 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain before 11pm, then snow, possibly mixed with rain. Low around 35. West wind around 7 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow

  • Thursday

    Thursday: Rain and snow likely, becoming all snow after 8am. Mostly cloudy, with a high near 43. West wind 8 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 30. West wind 6 to 16 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 43. West wind 6 to 14 mph, with gusts as high as 26 mph. Little or no snow accumulation expected.

    High: 43 °F

    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. Southwest wind 10 to 14 mph, with gusts as high as 28 mph.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 51. Southwest wind 10 to 17 mph, with gusts as high as 33 mph.

    High: 51 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. West southwest wind 3 to 8 mph.
Wednesday
A 20 percent chance of rain after 4pm. Mostly cloudy, with a high near 54. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
Rain before 11pm, then snow, possibly mixed with rain. Low around 35. West wind around 7 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain and snow likely, becoming all snow after 8am. Mostly cloudy, with a high near 43. West wind 8 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 30. West wind 6 to 16 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 43. West wind 6 to 14 mph, with gusts as high as 26 mph. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 31. Southwest wind 10 to 14 mph, with gusts as high as 28 mph.
Saturday
Mostly cloudy, with a high near 51. Southwest wind 10 to 17 mph, with gusts as high as 33 mph.
Saturday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 41.
Sunday
A slight chance of rain before 11am. Partly sunny, with a high near 55.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 40.
Monday
A chance of rain. Partly sunny, with a high near 53. Breezy.
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 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.04°W (Elev. 4413 ft)
Last Update:
3:33 pm MST Mar 3, 2026
Forecast Valid:
7pm MST Mar 3, 2026-6pm MDT Mar 10, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation