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.

Partly Cloudy

32°F

0°C

Humidity 40%
Wind Speed W 9 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 09 Mar 10:53 PM MDT
Extended Forecast for

6 Miles W 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 21. West southwest wind 3 to 7 mph.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow, mainly between noon and 5pm.  Mostly sunny, with a high near 33. Light southwest wind becoming west 15 to 20 mph in the morning. Winds could gust as high as 36 mph.  New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before 10pm.  Mostly clear, with a low around 20. West southwest wind 9 to 18 mph, with gusts as high as 34 mph.

    Low: 20 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of snow.  Partly sunny, with a high near 42. Breezy, with a west southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 43 mph.  New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: A chance of snow before midnight, then rain likely, possibly mixed with snow.  Mostly cloudy, with a low around 36. Breezy, with a west southwest wind 20 to 28 mph, with gusts as high as 50 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance Snow
    then
    Rain/Snow
    Likely and
    Breezy

  • Thursday

    Thursday: Rain and snow.  High near 46. Windy, with a west southwest wind 29 to 34 mph, with gusts as high as 60 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow and
    Windy

  • Thursday Night

    Thursday Night: Rain and snow before 9pm, then snow between 9pm and 3am, then rain and snow after 3am.  Low around 36. Breezy, with a west wind 24 to 29 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 55 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow and
    Breezy

  • Friday

    Friday: Rain and snow.  Cloudy, with a high near 47. West southwest wind 13 to 21 mph, with gusts as high as 39 mph.

    High: 47 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain, possibly mixed with snow.  Cloudy, with a low around 31.

    Low: 31 °F

    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 21. West southwest wind 3 to 7 mph.
Tuesday
A 40 percent chance of snow, mainly between noon and 5pm. Mostly sunny, with a high near 33. Light southwest wind becoming west 15 to 20 mph in the morning. Winds could gust as high as 36 mph. New snow accumulation of less than a half inch possible.
Tuesday Night
A 20 percent chance of snow before 10pm. Mostly clear, with a low around 20. West southwest wind 9 to 18 mph, with gusts as high as 34 mph.
Wednesday
A 40 percent chance of snow. Partly sunny, with a high near 42. Breezy, with a west southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 43 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of snow before midnight, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 36. Breezy, with a west southwest wind 20 to 28 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
Rain and snow. High near 46. Windy, with a west southwest wind 29 to 34 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Rain and snow before 9pm, then snow between 9pm and 3am, then rain and snow after 3am. Low around 36. Breezy, with a west wind 24 to 29 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
Rain and snow. Cloudy, with a high near 47. West southwest wind 13 to 21 mph, with gusts as high as 39 mph.
Friday Night
Rain, possibly mixed with snow. Cloudy, with a low around 31.
Saturday
Snow. Cloudy, with a high near 39. Breezy.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 18.
Sunday
A chance of snow. Mostly cloudy, with a high near 36.
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 51.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Helena MT
 46.59°N 112.17°W (Elev. 4600 ft)
10:47 pm MDT Mar 9, 2026
11pm MDT Mar 9, 2026-6pm MDT Mar 16, 2026
 
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