PNS25-72: Soliciting Comments through December 19, 2025 on the Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP) for all NWS Alaska Region, Eastern Region, and Western Region Offices.

Hazardous Weather Conditions

Winter Weather Advisory in effect from November 28, 12:00 AM MST until November 29, 05:00 AM MST

Current conditions at

Helena Regional Airport (KHLN)

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

Partly Cloudy

39°F

4°C

Humidity	69%
Wind Speed	N 0 MPH
Barometer	30.09 in (1018.96 mb)
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Last update	27 Nov 01:53 PM MST

More Information:

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

Extended Forecast for

2 Miles WNW Helena MT

Winter Weather Advisory November 28, 12:00am until November 29, 05:00am

Click here for hazard details and duration

Winter Weather Advisory

Thanksgiving Day
High: 41 °F
Chance Rain
Tonight
Low: 18 °F
Rain Likely
then
Rain/Snow
Likely
Friday
High: 21 °F⇓
Snow
Friday Night
Low: 3 °F
Chance Snow
then Mostly
Cloudy
Saturday
High: 19 °F
Mostly Sunny
Saturday Night
Low: 4 °F
Mostly Cloudy
Sunday
High: 26 °F
Sunny
Sunday Night
Low: 11 °F
Partly Cloudy
Monday
High: 34 °F
Partly Sunny

Detailed Forecast

Thanksgiving Day

A 30 percent chance of rain, mainly after 4pm. Cloudy, with a high near 41. Light and variable wind.

Tonight

Rain likely before 1am, then a slight chance of rain and snow between 1am and 3am, then snow likely after 3am. Mostly cloudy, with a low around 18. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday

Snow, mainly before 4pm. Temperature falling to around 12 by 4pm. Wind chill values as low as zero. North wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Friday Night

A 30 percent chance of snow before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 3. North northwest wind 5 to 9 mph becoming calm after midnight. Little or no snow accumulation expected.

Saturday

Mostly sunny, with a high near 19. Calm wind.

Saturday Night

Mostly cloudy, with a low around 4. Calm wind.

Sunday

Sunny, with a high near 26. Calm wind.

Sunday Night

Partly cloudy, with a low around 11. Southwest wind 3 to 6 mph.

Monday

Partly sunny, with a high near 34.

Monday Night

A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 25.