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.

light rain,mist

46°F

8°C

Humidity 87%
Wind Speed SSE 6 MPH
Barometer 29.65 in (1004.06 mb)
Dewpoint 43°F (6°C)
Visibility 5.00 mi
Wind Chill43°F (6°C)
Last update 29 Jun 07:35 AM MDT
Extended Forecast for

Helena MTSimilar City Names

  • Today

    Today: Rain and possibly a thunderstorm before 3pm, then rain likely. High near 57. West wind 11 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 8pm. Mostly cloudy, with a low around 50. West wind 7 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 50 °F

    Rain Likely
    then Chance
    Rain

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 72. West wind around 6 mph.

    High: 72 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Southwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 72. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%.

    High: 72 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 51. West northwest wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. West southwest wind around 6 mph becoming calm after midnight.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Rain and possibly a thunderstorm before 3pm, then rain likely. High near 57. West wind 11 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain likely, mainly before 8pm. Mostly cloudy, with a low around 50. West wind 7 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 72. West wind around 6 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Southwest wind around 5 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 72. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 51. West northwest wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 40%.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 52. West southwest wind around 6 mph becoming calm after midnight.
Friday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 73.
Friday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51.
Independence Day
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MTSimilar City Names
 46.58°N 112.04°W (Elev. 4413 ft)
Last Update:
1:41 am MDT Jun 29, 2026
Forecast Valid:
7am MDT Jun 29, 2026-6pm MDT Jul 5, 2026
 
Forecast Discussion
 
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Additional Resources

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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