National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Coastal Storm Along the East Coast; Pacific Storm System in the West on Friday

A strengthening coastal storm will bring soaking rains to portions of the Mid-Atlantic and Northeast, with accumulating snow likely across the higher elevations of northern New England through Friday. A Pacific storm system will bring heavy low elevation rain, and gusty winds to northern California and the Pacific Northwest, as well as possible blizzard conditions to the Sierra Nevada on Friday. Read More >

Current conditions at

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

Clear

54°F

12°C

Humidity 46%
Wind Speed N 4 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 12 Nov 02:53 PM MST
Extended Forecast for

Helena MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. Southwest wind around 6 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 59. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 59 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34. South wind around 6 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 55. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 55 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. Southwest wind 3 to 7 mph.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31. South southwest wind 5 to 9 mph becoming light south after midnight.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 49. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 49 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. Southwest wind around 6 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 59. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 34. South wind around 6 mph becoming calm in the evening.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 55. Calm wind becoming west 5 to 9 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 29. Southwest wind 3 to 7 mph.
Sunday
Mostly sunny, with a high near 53. Calm wind becoming south 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 31. South southwest wind 5 to 9 mph becoming light south after midnight.
Monday
Partly sunny, with a high near 49. Calm wind becoming south southeast around 5 mph in the afternoon.
Monday Night
A chance of rain. Mostly cloudy, with a low around 32.
Tuesday
A chance of rain and snow before 2pm, then a chance of rain. Partly sunny, with a high near 43.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 28.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 41.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 26.
Thursday
A chance of rain and snow. Partly sunny, with a high near 39.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.6°N 112.05°W (Elev. 3973 ft)
Last Update:
11:31 am MST Nov 12, 2026
Forecast Valid:
3pm MST Nov 12, 2026-6pm MST Nov 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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