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 December 2, 05:00 AM MST until December 3, 05:00 AM MST

Current conditions at

Helena Regional Airport (KHLN)

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

Overcast

8°F

-13°C

Humidity	86%
Wind Speed	N 0 MPH
Barometer	30.2 in (1022.69 mb)
Dewpoint	5°F (-15°C)
Visibility	7.00 mi
Last update	01 Dec 03:11 AM MST

More Information:

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

Extended Forecast for

Helena MT

Winter Weather Advisory December 2, 05:00am until December 3, 05:00am

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 15 °F
Partly Cloudy
Monday
High: 35 °F
Mostly Sunny
then Chance
Snow
Monday Night
Low: 28 °F
Chance Snow
Tuesday
High: 33 °F
Snow
Tuesday Night
Low: 20 °F
Chance Snow
then Slight
Chance Snow
Wednesday
High: 33 °F
Mostly Sunny
Wednesday Night
Low: 23 °F
Mostly Cloudy
Thursday
High: 36 °F
Slight Chance
Snow
Thursday Night
Low: 29 °F
Chance Snow

Detailed Forecast

Overnight

Partly cloudy, with a low around 15. West southwest wind around 6 mph.

Monday

A 30 percent chance of snow after 5pm. Increasing clouds, with a high near 35. West southwest wind 6 to 8 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.

Monday Night

A 40 percent chance of snow, mainly after 1am. Cloudy, with a low around 28. West southwest wind 6 to 9 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

Tuesday

Snow. High near 33. West southwest wind around 6 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Tuesday Night

A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 20. West northwest wind around 5 mph becoming calm after midnight. New snow accumulation of less than one inch possible.

Wednesday

Mostly sunny, with a high near 33. Calm wind becoming west southwest around 6 mph in the afternoon.

Wednesday Night

Mostly cloudy, with a low around 23. West southwest wind 6 to 9 mph.

Thursday

A slight chance of snow after 11am. Partly sunny, with a high near 36. Southwest wind 6 to 8 mph, with gusts as high as 20 mph.

Thursday Night

A chance of snow. Mostly cloudy, with a low around 29.

Friday

A chance of snow before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 41.

Friday Night

Rain and snow likely. Mostly cloudy, with a low around 26.