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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

Winter Weather Advisory in effect from June 27, 06:00 PM MDT until June 29, 12:00 PM MDT

Current conditions at

Helena Regional Airport (KHLN)

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

Rain

57°F

14°C

Humidity	74%
Wind Speed	WSW 5 MPH
Barometer	29.74 in (1007.11 mb)
Dewpoint	49°F (9°C)
Visibility	10.00 mi
Last update	27 Jun 12:53 PM MDT

More Information:

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

Extended Forecast for

5 Miles S Helena MT

Winter Weather Advisory June 27, 06:00pm until June 29, 12:00pm

Click here for hazard details and duration

Winter Weather Advisory

This Afternoon
High: 55 °F
Showers
Tonight
Low: 38 °F
Showers
Sunday
High: 42 °F
Rain
Sunday Night
Low: 38 °F
Rain
Monday
High: 46 °F
Showers
Monday Night
Low: 40 °F
Rain Likely
then Chance
Rain
Tuesday
High: 59 °F
Slight Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 42 °F
Chance
T-storms then
Partly Cloudy
Wednesday
High: 63 °F
Slight Chance
Showers then
Chance
T-storms

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. High near 55. West northwest wind around 7 mph. Chance of precipitation is 80%.

Tonight

Showers and thunderstorms likely before 11pm, then showers between 11pm and midnight, then rain after midnight. Low around 38. West northwest wind 8 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Sunday

Rain. High near 42. West southwest wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Sunday Night

Rain. Low around 38. Southwest wind 13 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

Monday

Rain before 3pm, then showers and possibly a thunderstorm after 3pm. High near 46. West wind 13 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%.

Monday Night

Rain likely, mainly before midnight. Mostly cloudy, with a low around 40. West wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

Tuesday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 59. Southwest wind 5 to 9 mph. Chance of precipitation is 40%.

Tuesday Night

A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42. West southwest wind around 5 mph becoming calm after midnight.

Wednesday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 63.

Wednesday Night

A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 43.

Thursday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 67.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 45.

Friday

A chance of showers and thunderstorms. Partly sunny, with a high near 67.