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

48°F

9°C

Humidity 87%
Wind Speed W 8 MPH
Barometer 29.68 in (1005.08 mb)
Dewpoint 45°F (7°C)
Visibility 6.00 mi
Wind Chill44°F (7°C)
Last update 18 May 03:20 AM MDT
Extended Forecast for

Helena MT

  • Overnight

    Overnight: Rain. Low around 45. Light west wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain

  • Sunday

    Sunday: Rain, mainly before 3pm. High near 50. West wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 9pm. Mostly cloudy, with a low around 36. West wind 8 to 16 mph, with gusts as high as 31 mph.

    Low: 36 °F

    Chance Rain

  • Monday

    Monday: Mostly sunny, with a high near 61. West wind 8 to 11 mph, with gusts as high as 25 mph.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40. West southwest wind 5 to 13 mph, with gusts as high as 24 mph.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers after noon. Partly sunny, with a high near 61. West southwest wind 5 to 13 mph, with gusts as high as 26 mph.

    High: 61 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. West northwest wind 6 to 13 mph, with gusts as high as 24 mph.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65. Southwest wind 5 to 9 mph, with gusts as high as 21 mph.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Rain. Low around 45. Light west wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain, mainly before 3pm. High near 50. West wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A 30 percent chance of rain, mainly before 9pm. Mostly cloudy, with a low around 36. West wind 8 to 16 mph, with gusts as high as 31 mph.
Monday
Mostly sunny, with a high near 61. West wind 8 to 11 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 40. West southwest wind 5 to 13 mph, with gusts as high as 24 mph.
Tuesday
A 50 percent chance of showers after noon. Partly sunny, with a high near 61. West southwest wind 5 to 13 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 37. West northwest wind 6 to 13 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 65. Southwest wind 5 to 9 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
A chance of showers, mainly after noon. Mostly cloudy, with a high near 67.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 43.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 71.
Friday Night
A chance of showers. Mostly cloudy, with a low around 45.
Saturday
A chance of showers. Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.01°W (Elev. 4111 ft)
Last Update:
2:10 am MDT May 18, 2025
Forecast Valid:
3am MDT May 18, 2025-6pm MDT May 24, 2025
 
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