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

30°F

-1°C

Humidity	81%
Wind Speed	N 0 MPH
Barometer	29.91 in (1012.87 mb)
Dewpoint	25°F (-4°C)
Visibility	10.00 mi
Last update	01 Dec 10:53 PM 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

Tonight
Low: 28 °F
Snow Likely
Tuesday
High: 35 °F
Snow
Tuesday Night
Low: 20 °F
Chance Snow
Wednesday
High: 33 °F
Mostly Sunny
Wednesday Night
Low: 23 °F
Mostly Cloudy
Thursday
High: 37 °F
Slight Chance
Snow
Thursday Night
Low: 29 °F
Chance Snow
Friday
High: 40 °F
Snow Likely
then
Rain/Snow
Likely
Friday Night
Low: 30 °F
Rain/Snow
Likely

Detailed Forecast

Tonight

Snow likely, mainly between 1am and 2am. Cloudy, with a low around 28. Southwest wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

Tuesday

Snow, mainly after 9am. High near 35. West northwest wind 5 to 7 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Tuesday Night

A 50 percent chance of snow. Cloudy, with a low around 20. West northwest wind around 5 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.

Wednesday

Mostly sunny, with a high near 33. Calm wind becoming west around 5 mph in the afternoon.

Wednesday Night

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

Thursday

A 20 percent chance of snow after 11am. Partly sunny, with a high near 37. West southwest wind 6 to 8 mph, with gusts as high as 18 mph.

Thursday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 29. West southwest wind 8 to 10 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.

Friday

Snow likely before 2pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 40. West southwest wind 7 to 10 mph, with gusts as high as 22 mph.

Friday Night

Rain likely, possibly mixed with snow before 2am, then a chance of snow. Mostly cloudy, with a low around 30.

Saturday

Snow likely, mainly before 11am. Partly sunny, with a high near 39.

Saturday Night

A slight chance of snow. Mostly cloudy, with a low around 26.

Sunday

A slight chance of snow. Partly sunny, with a high near 41.

Sunday Night

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

Monday

Partly sunny, with a high near 42.