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

69°F

21°C

Humidity 17%
Wind Speed E 12 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 19 Apr 05:53 PM MDT
Extended Forecast for

Helena MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. East wind 5 to 8 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75. Calm wind becoming east 5 to 8 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. East northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Light south wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46. South wind 5 to 13 mph, with gusts as high as 23 mph.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain, then showers and possibly a thunderstorm after noon. High near 67. Light and variable wind becoming west southwest 13 to 18 mph in the morning. Winds could gust as high as 31 mph. Chance of precipitation is 80%.

    High: 67 °F

    Slight Chance
    Rain then
    Showers

  • Wednesday Night

    Wednesday Night: Rain showers before midnight, then rain between midnight and 3am, then rain and snow after 3am. Some thunder is also possible. Low around 31. West northwest wind 14 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 31 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow likely, becoming all snow after 9am. Mostly cloudy, with a high near 44. North northwest wind 13 to 15 mph, with gusts as high as 30 mph.

    High: 44 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. East wind 5 to 8 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 75. Calm wind becoming east 5 to 8 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 41. East northeast wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 80. Light south wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 46. South wind 5 to 13 mph, with gusts as high as 23 mph.
Wednesday
A slight chance of rain, then showers and possibly a thunderstorm after noon. High near 67. Light and variable wind becoming west southwest 13 to 18 mph in the morning. Winds could gust as high as 31 mph. Chance of precipitation is 80%.
Wednesday Night
Rain showers before midnight, then rain between midnight and 3am, then rain and snow after 3am. Some thunder is also possible. Low around 31. West northwest wind 14 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain and snow likely, becoming all snow after 9am. Mostly cloudy, with a high near 44. North northwest wind 13 to 15 mph, with gusts as high as 30 mph.
Thursday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 25.
Friday
A chance of snow. Partly sunny, with a high near 43.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 22.
Saturday
A slight chance of snow. Partly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.61°N 111.96°W (Elev. 3796 ft)
Last Update:
12:31 pm MDT Apr 19, 2026
Forecast Valid:
6pm MDT Apr 19, 2026-6pm MDT Apr 26, 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