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

Helena Regional Airport (KHLN)

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

Overcast

43°F

6°C

Humidity 86%
Wind Speed NE 4 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 12 Apr 02:20 AM MDT
Extended Forecast for

Helena MT

  • Overnight

    Overnight: Partly cloudy, with a low around 35. Light and variable wind.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 61. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 70%.

    High: 61 °F

    Mostly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Rain and possibly a thunderstorm before 4am, then rain likely. Low around 37. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 37 °F

    Rain

  • Monday

    Monday: Rain. High near 56. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%.

    High: 56 °F

    Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 35. Southwest wind 5 to 11 mph, with gusts as high as 23 mph.

    Low: 35 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. West wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. South southwest wind 5 to 14 mph, with gusts as high as 28 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain, mainly after noon. Mostly cloudy, with a high near 56. Light west southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 28 mph.

    High: 56 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 9pm, then rain and snow likely between 9pm and midnight, then snow likely after midnight. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Rain/Snow
    Likely then
    Snow Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 35. Light and variable wind.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 61. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 70%.
Sunday Night
Rain and possibly a thunderstorm before 4am, then rain likely. Low around 37. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Rain. High near 56. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%.
Monday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 35. Southwest wind 5 to 11 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 60. West wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 29 mph.
Tuesday Night
Mostly cloudy, with a low around 36. South southwest wind 5 to 14 mph, with gusts as high as 28 mph.
Wednesday
Rain, mainly after noon. Mostly cloudy, with a high near 56. Light west southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 28 mph.
Wednesday Night
Rain likely before 9pm, then rain and snow likely between 9pm and midnight, then snow likely after midnight. Mostly cloudy, with a low around 27.
Thursday
Snow likely. Mostly cloudy, with a high near 42.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 22.
Friday
A chance of snow. Mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Mostly sunny, 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:
Helena MT
 46.61°N 111.96°W (Elev. 3796 ft)
Last Update:
12:32 am MDT Apr 12, 2026
Forecast Valid:
2am MDT Apr 12, 2026-6pm MDT Apr 18, 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