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

52°F

11°C

Humidity 27%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 18 May 03:35 PM MDT
Extended Forecast for

3 Miles WNW Helena MT

  • Tonight

    Tonight: Partly cloudy, with a low around 31. West wind around 5 mph becoming calm after midnight.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 64. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 64 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 39. West southwest wind 3 to 7 mph.

    Low: 39 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 59. Light and variable wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    High: 59 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 9pm, then rain, mainly after 9pm. Low around 38. North northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%.

    Low: 38 °F

    Showers

  • Thursday

    Thursday: A chance of rain and snow before 9am, then a chance of rain between 9am and noon. Partly sunny, with a high near 63. North wind 3 to 6 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 63 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. North wind 5 to 7 mph becoming calm in the evening.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69. Calm wind becoming north around 6 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 31. West wind around 5 mph becoming calm after midnight.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 64. Calm wind becoming west 5 to 8 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 39. West southwest wind 3 to 7 mph.
Wednesday
A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 59. Light and variable wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Wednesday Night
Showers and possibly a thunderstorm before 9pm, then rain, mainly after 9pm. Low around 38. North northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%.
Thursday
A chance of rain and snow before 9am, then a chance of rain between 9am and noon. Partly sunny, with a high near 63. North wind 3 to 6 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 38. North wind 5 to 7 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 69. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 48.
Memorial Day
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Helena MT
 46.6°N 112.08°W (Elev. 4052 ft)
Last Update:
12:32 pm MDT May 18, 2026
Forecast Valid:
3pm MDT May 18, 2026-6pm MDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation