National Weather Service

News Headlines

SCN26-50: Discontinuation of the State Forecast Product (SFP) for all NWS Central Region, Southern Region, and Western Region Offices: Effective June 29, 2026
The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will now be discontinued on July 7, 2026.

Hazardous Weather Conditions

Short Term Forecast

Current conditions at

HELENA VALLEY (HVMT)

Lat: 46.67917°NLon: 111.98333°WElev: 3673.0ft.

66°F

19°C

Humidity	66%
Wind Speed	NW 1 MPH
Barometer	NA
Dewpoint	54°F (12°C)
Visibility	NA
Last update	20 Jun 03:00 PM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

11 Miles ENE East Helena MT

This Afternoon
High: 82 °F
Slight Chance
T-storms
Tonight
Low: 50 °F
Chance
T-storms then
Mostly Clear
Sunday
High: 79 °F
Sunny
Sunday Night
Low: 47 °F
Partly Cloudy
Monday
High: 72 °F
Mostly Sunny
Monday Night
Low: 43 °F
Mostly Clear
Tuesday
High: 81 °F
Sunny
Tuesday Night
Low: 48 °F
Mostly Clear
Wednesday
High: 86 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Southwest wind around 9 mph, with gusts as high as 20 mph.

Tonight

A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Cloudy during the early evening, then gradual clearing, with a low around 50. South southeast wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

Sunday

Sunny, with a high near 79. Light west northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

Sunday Night

Partly cloudy, with a low around 47. North northwest wind 7 to 11 mph, with gusts as high as 22 mph.

Monday

Mostly sunny, with a high near 72. North northwest wind 7 to 11 mph, with gusts as high as 24 mph.

Monday Night

Mostly clear, with a low around 43. North wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 24 mph.

Tuesday

Sunny, with a high near 81. Light and variable wind.

Tuesday Night

Mostly clear, with a low around 48. North northeast wind 5 to 8 mph becoming calm after midnight.