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

Severe Thunderstorm, Flooding, and Winter Weather Threats on Tuesday

Scattered severe thunderstorms are forecast Tuesday from the southern Plains into the southern Great Lakes vicinity. Thunderstorms may also produce heavy to excessive rain that could pose a flooding threat from central Texas into southern Oklahoma and northern Missouri into southern Michigan. A heavy wintry mix is forecast for the Great Lakes into northern Maine. Read More >

Hazardous Weather Conditions

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

30°F

-1°C

Humidity 39%
Wind Speed W 6 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 09 Mar 09:05 PM MDT
Extended Forecast for

Helena MT

High Wind Watch March 11, 06:00pm until March 12, 06:00pm
Click here for hazard details and duration
High Wind Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 20. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 24 mph.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly between 2pm and 4pm. Mostly sunny, with a high near 37. Light southwest wind becoming west northwest 13 to 18 mph in the morning. Winds could gust as high as 34 mph. Little or no snow accumulation expected.

    High: 37 °F

    Mostly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20. West southwest wind 9 to 17 mph, with gusts as high as 34 mph.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of snow after noon. Partly sunny, with a high near 46. Breezy, with a south southwest wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 41 mph. Little or no snow accumulation expected.

    High: 46 °F

    Partly Sunny
    then Chance
    Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before midnight, then rain likely. Mostly cloudy, with a low around 38. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 38 °F

    Breezy.
    Chance
    Rain/Snow
    then Rain
    Likely

  • Thursday

    Thursday: Rain. High near 51. Windy, with a west southwest wind 25 to 33 mph, with gusts as high as 60 mph. Chance of precipitation is 80%.

    High: 51 °F

    Rain and
    Windy

  • Thursday Night

    Thursday Night: Rain. Low around 39. Windy, with a west wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 80%.

    Low: 39 °F

    Rain and
    Windy

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 54. Breezy, with a west southwest wind 16 to 26 mph, with gusts as high as 43 mph.

    High: 54 °F

    Rain Likely
    and Breezy

  • Friday Night

    Friday Night: Rain likely before 3am, then rain and snow likely. Mostly cloudy, with a low around 36. Breezy.

    Low: 36 °F

    Rain Likely
    and Breezy
    then
    Rain/Snow
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 20. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 24 mph.
Tuesday
A 30 percent chance of snow, mainly between 2pm and 4pm. Mostly sunny, with a high near 37. Light southwest wind becoming west northwest 13 to 18 mph in the morning. Winds could gust as high as 34 mph. Little or no snow accumulation expected.
Tuesday Night
Mostly clear, with a low around 20. West southwest wind 9 to 17 mph, with gusts as high as 34 mph.
Wednesday
A 30 percent chance of snow after noon. Partly sunny, with a high near 46. Breezy, with a south southwest wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 41 mph. Little or no snow accumulation expected.
Wednesday Night
A chance of rain and snow before midnight, then rain likely. Mostly cloudy, with a low around 38. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Rain. High near 51. Windy, with a west southwest wind 25 to 33 mph, with gusts as high as 60 mph. Chance of precipitation is 80%.
Thursday Night
Rain. Low around 39. Windy, with a west wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 80%.
Friday
Rain likely. Mostly cloudy, with a high near 54. Breezy, with a west southwest wind 16 to 26 mph, with gusts as high as 43 mph.
Friday Night
Rain likely before 3am, then rain and snow likely. Mostly cloudy, with a low around 36. Breezy.
Saturday
Rain and snow, becoming all snow after 3pm. Cloudy, with a high near 46. Breezy.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 21. Blustery.
Sunday
A chance of snow. Mostly cloudy, with a high near 44.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 33.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.59°N 111.98°W (Elev. 3996 ft)
Last Update:
6:47 pm MDT Mar 9, 2026
Forecast Valid:
9pm MDT Mar 9, 2026-6pm MDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation