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

Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

28°F

-2°C

Humidity 54%
Wind Speed W 9 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 10 Mar 11:20 PM MDT
Extended Forecast for

Helena MT

High Wind Warning March 12, 12:00am until March 12, 06:00pm
Click here for hazard details and duration
High Wind Warning

  • Tonight

    Tonight: Mostly clear, with a low around 20. South southwest wind 6 to 9 mph.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of snow after noon, mixing with rain after 4pm. Mostly sunny, with a high near 46. Breezy, with a south wind 7 to 12 mph becoming west 19 to 24 mph in the morning. Winds could gust as high as 40 mph. Chance of precipitation is 20%.

    High: 46 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain, mainly after 3am. Mostly cloudy, with a low around 38. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 48 mph.

    Low: 38 °F

    Chance Rain
    and Breezy

  • Thursday

    Thursday: Rain before noon, then rain and snow between noon and 3pm, then snow after 3pm. High near 51. Windy, with a west southwest wind 25 to 31 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 51 °F

    Rain and
    Breezy then
    Rain/Snow and
    Windy

  • Thursday Night

    Thursday Night: Snow. Low around 33. Breezy, with a west wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Snow and
    Breezy

  • Friday

    Friday: Snow before 9am, then rain, possibly mixed with snow. High near 48. West wind 7 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 48 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain, possibly mixed with snow. Low around 31. West wind 5 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain/Snow

  • Saturday

    Saturday: Rain, possibly mixed with snow, becoming all snow after 9am. Cloudy, with a high near 42. West northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 42 °F

    Rain/Snow
    then Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Snow Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 20. South southwest wind 6 to 9 mph.
Wednesday
A slight chance of snow after noon, mixing with rain after 4pm. Mostly sunny, with a high near 46. Breezy, with a south wind 7 to 12 mph becoming west 19 to 24 mph in the morning. Winds could gust as high as 40 mph. Chance of precipitation is 20%.
Wednesday Night
A 50 percent chance of rain, mainly after 3am. Mostly cloudy, with a low around 38. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 48 mph.
Thursday
Rain before noon, then rain and snow between noon and 3pm, then snow after 3pm. High near 51. Windy, with a west southwest wind 25 to 31 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Snow. Low around 33. Breezy, with a west wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Friday
Snow before 9am, then rain, possibly mixed with snow. High near 48. West wind 7 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Friday Night
Rain, possibly mixed with snow. Low around 31. West wind 5 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Saturday
Rain, possibly mixed with snow, becoming all snow after 9am. Cloudy, with a high near 42. West northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.
Saturday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 16.
Sunday
A chance of snow. Mostly cloudy, with a high near 38.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 26.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 53.
Monday Night
A chance of rain. Mostly cloudy, with a low around 38.
Tuesday
A slight chance of rain. Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.61°N 111.99°W (Elev. 3878 ft)
Last Update:
11:01 pm MDT Mar 10, 2026
Forecast Valid:
11pm MDT Mar 10, 2026-6pm MDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation