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

29°F

-2°C

Humidity 50%
Wind Speed W 10 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 09 Mar 11:53 PM MDT
Extended Forecast for

East Helena MT

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

  • Overnight

    Overnight: Partly cloudy, with a low around 19. West southwest wind around 5 mph becoming calm.

    Low: 19 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly between 1pm and 5pm. Mostly sunny, with a high near 38. Light and variable wind becoming west 15 to 20 mph in the morning. Winds could gust as high as 33 mph. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Partly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 18. West northwest wind 13 to 18 mph becoming southwest 6 to 11 mph after midnight. Winds could gust as high as 32 mph.

    Low: 18 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 47. South wind 8 to 13 mph becoming west 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph. New snow accumulation of less than a half inch possible.

    High: 47 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 3am, then a chance of rain. Mostly cloudy, with a low around 36. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance
    Rain/Snow and
    Breezy

  • Thursday

    Thursday: Rain before 3pm, then rain, possibly mixed with snow. High near 52. Windy, with a west southwest wind 24 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 52 °F

    Rain and
    Breezy then
    Rain/Snow and
    Windy

  • Thursday Night

    Thursday Night: Rain, possibly mixed with snow. Low around 36. Breezy, with a west wind 21 to 26 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow and
    Breezy

  • Friday

    Friday: Rain, possibly mixed with snow. Mostly cloudy, with a high near 53. West southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 53 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain, possibly mixed with snow. Cloudy, with a low around 30.

    Low: 30 °F

    Rain/Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 19. West southwest wind around 5 mph becoming calm.
Tuesday
A 30 percent chance of snow, mainly between 1pm and 5pm. Mostly sunny, with a high near 38. Light and variable wind becoming west 15 to 20 mph in the morning. Winds could gust as high as 33 mph. New snow accumulation of less than a half inch possible.
Tuesday Night
A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 18. West northwest wind 13 to 18 mph becoming southwest 6 to 11 mph after midnight. Winds could gust as high as 32 mph.
Wednesday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 47. South wind 8 to 13 mph becoming west 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of rain and snow before 3am, then a chance of rain. Mostly cloudy, with a low around 36. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday
Rain before 3pm, then rain, possibly mixed with snow. High near 52. Windy, with a west southwest wind 24 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Rain, possibly mixed with snow. Low around 36. Breezy, with a west wind 21 to 26 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow. Mostly cloudy, with a high near 53. West southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.
Friday Night
Rain, possibly mixed with snow. Cloudy, with a low around 30.
Saturday
Rain, possibly mixed with snow, becoming all snow after 9am. Mostly cloudy, with a high near 41.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 16.
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 27.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Helena MT
 46.59°N 111.92°W (Elev. 3891 ft)
Last Update:
10:47 pm MDT Mar 9, 2026
Forecast Valid:
12am MDT Mar 10, 2026-6pm MDT Mar 16, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation