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.

Clear

81°F

27°C

Humidity 10%
Wind Speed S 20 MPH
Barometer 29.69 in (1005.42 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 21 Apr 03:25 PM MDT
Extended Forecast for

Helena MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. South wind 6 to 13 mph, with gusts as high as 23 mph.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then rain after 5pm. High near 67. Breezy, with a south wind 6 to 11 mph becoming southwest 19 to 24 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 80%.

    High: 67 °F

    Slight Chance
    Rain then
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain. Low around 33. West wind 10 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Rain

  • Thursday

    Thursday: Rain, possibly mixed with snow, becoming all snow after 9am. High near 43. Northwest wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow
    then Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 25. North northwest wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Snow Likely

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 40. North wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 20. North wind 5 to 9 mph becoming calm in the evening.

    Low: 20 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow. Partly sunny, with a high near 44. Calm wind becoming north around 5 mph in the afternoon.

    High: 44 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. South wind 6 to 13 mph, with gusts as high as 23 mph.
Wednesday
Rain likely and possibly a thunderstorm before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then rain after 5pm. High near 67. Breezy, with a south wind 6 to 11 mph becoming southwest 19 to 24 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 80%.
Wednesday Night
Rain. Low around 33. West wind 10 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain, possibly mixed with snow, becoming all snow after 9am. High near 43. Northwest wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 25. North northwest wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 40. North wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 20. North wind 5 to 9 mph becoming calm in the evening.
Saturday
A slight chance of snow. Partly sunny, with a high near 44. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
A slight chance of snow. Partly sunny, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
A slight chance of rain. Partly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 61.
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:
12:37 pm MDT Apr 21, 2026
Forecast Valid:
3pm MDT Apr 21, 2026-6pm MDT Apr 28, 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