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

68°F

20°C

Humidity 16%
Wind Speed E 9 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 19 Apr 05:20 PM MDT
Extended Forecast for

Helena MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. East wind 5 to 9 mph becoming calm after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75. Light and variable wind becoming east northeast 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. East northeast wind 5 to 8 mph becoming calm after midnight.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Light south southwest wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46. South wind 5 to 14 mph, with gusts as high as 23 mph.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain, then showers and possibly a thunderstorm after noon. High near 65. South wind 5 to 10 mph becoming west southwest 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%.

    High: 65 °F

    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 33. 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: 33 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow likely, becoming all snow after 9am. Mostly cloudy, with a high near 44. North 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 27.

    Low: 27 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 41. East wind 5 to 9 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 75. Light and variable wind becoming east northeast 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Partly cloudy, with a low around 42. East northeast wind 5 to 8 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 80. Light south southwest wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 46. South wind 5 to 14 mph, with gusts as high as 23 mph.
Wednesday
A chance of rain, then showers and possibly a thunderstorm after noon. High near 65. South wind 5 to 10 mph becoming west southwest 15 to 20 mph in the afternoon. 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 33. 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 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 27.
Friday
A chance of snow. Partly sunny, with a high near 42.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 24.
Saturday
A slight chance of snow. Partly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.61°N 111.99°W (Elev. 3878 ft)
Last Update:
12:31 pm MDT Apr 19, 2026
Forecast Valid:
5pm MDT Apr 19, 2026-6pm MDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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