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.

Overcast

46°F

8°C

Humidity 70%
Wind Speed NE 3 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 17 May 03:35 AM MDT
Extended Forecast for

Helena MT

  • Overnight

    Overnight: Partly cloudy, with a low around 37. Light southwest wind.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 66. Calm wind becoming east around 6 mph in the afternoon.

    High: 66 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Rain and thunderstorms likely, then rain after 1am. Low around 44. East northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Rain

  • Sunday

    Sunday: Rain. High near 52. West wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 90%.

    High: 52 °F

    Rain

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 37. West northwest wind 7 to 15 mph, with gusts as high as 28 mph.

    Low: 37 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 60. West wind 6 to 13 mph, with gusts as high as 24 mph.

    High: 60 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. West southwest wind 5 to 13 mph, with gusts as high as 23 mph.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63. West wind 5 to 11 mph, with gusts as high as 24 mph.

    High: 63 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers before midnight. Partly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Showers then
    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. Light southwest wind.
Saturday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 66. Calm wind becoming east around 6 mph in the afternoon.
Saturday Night
Rain and thunderstorms likely, then rain after 1am. Low around 44. East northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Rain. High near 52. West wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 90%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 37. West northwest wind 7 to 15 mph, with gusts as high as 28 mph.
Monday
A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 60. West wind 6 to 13 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 38. West southwest wind 5 to 13 mph, with gusts as high as 23 mph.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63. West wind 5 to 11 mph, with gusts as high as 24 mph.
Tuesday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 41.
Thursday
A chance of showers. Partly sunny, with a high near 65.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 39.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.61°N 112.02°W (Elev. 3940 ft)
Last Update:
2:45 am MDT May 17, 2025
Forecast Valid:
3am MDT May 17, 2025-6pm MDT May 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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