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 >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

19°F

-7°C

Humidity 67%
Wind Speed NNE 5 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 10 Mar 07:20 AM 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
  • Today

    Today: A 30 percent chance of snow, mainly between 1pm and 5pm.  Mostly sunny, with a high near 37. Light southwest wind becoming west 15 to 20 mph in the morning. Winds could gust as high as 36 mph.  Total daytime snow accumulation of less than a half inch possible.

    High: 37 °F

    Mostly Sunny
    then Chance
    Snow

  • Tonight

    Tonight: A 20 percent chance of snow before 10pm.  Mostly clear, with a low around 20. Southwest wind 8 to 18 mph, with gusts as high as 36 mph.

    Low: 20 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly after noon.  Partly sunny, with a high near 45. West southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 39 mph.  New snow accumulation of less than a half inch possible.

    High: 45 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Rain likely, possibly mixed with snow, becoming all rain after 3am.  Mostly cloudy, with a low around 38. Breezy, with a west southwest wind 17 to 25 mph, with gusts as high as 48 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 38 °F

    Rain/Snow
    Likely and
    Breezy

  • Thursday

    Thursday: Rain before 3pm, then rain, possibly mixed with snow.  High near 50. Windy, with a west southwest wind 26 to 33 mph, with gusts as high as 60 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 50 °F

    Windy. Rain
    then
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain, possibly mixed with snow.  Low around 37. Breezy, with a west wind 23 to 28 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 55 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow and
    Breezy

  • Friday

    Friday: Rain, possibly mixed with snow.  High near 51. West southwest wind 10 to 20 mph, with gusts as high as 36 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 51 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain likely before midnight, then rain and snow.  Cloudy, with a low around 32. West wind 10 to 18 mph, with gusts as high as 37 mph.

    Low: 32 °F

    Rain Likely
    then
    Rain/Snow

  • Saturday

    Saturday: Rain and snow, becoming all snow after 9am.  Mostly cloudy, with a high near 41.

    High: 41 °F

    Rain/Snow
    then Snow
    Likely

Detailed Forecast

Today
A 30 percent chance of snow, mainly between 1pm and 5pm. Mostly sunny, with a high near 37. Light southwest wind becoming west 15 to 20 mph in the morning. Winds could gust as high as 36 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 20 percent chance of snow before 10pm. Mostly clear, with a low around 20. Southwest wind 8 to 18 mph, with gusts as high as 36 mph.
Wednesday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 45. West southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 39 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain likely, possibly mixed with snow, becoming all rain after 3am. Mostly cloudy, with a low around 38. Breezy, with a west southwest wind 17 to 25 mph, with gusts as high as 48 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Rain before 3pm, then rain, possibly mixed with snow. High near 50. Windy, with a west southwest wind 26 to 33 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Rain, possibly mixed with snow. Low around 37. Breezy, with a west wind 23 to 28 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow. High near 51. West southwest wind 10 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
Rain likely before midnight, then rain and snow. Cloudy, with a low around 32. West wind 10 to 18 mph, with gusts as high as 37 mph.
Saturday
Rain and snow, becoming all snow after 9am. Mostly cloudy, with a high near 41.
Saturday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 18.
Sunday
A slight chance of snow. Mostly cloudy, with a high near 39.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 29.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.01°W (Elev. 4111 ft)
5:22 am MDT Mar 10, 2026
7am MDT Mar 10, 2026-6pm MDT Mar 16, 2026
 
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Additional Resources

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