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

36°F

2°C

Humidity	69%
Wind Speed	WSW 8 MPH
Barometer	29.83 in (1010.16 mb)
Dewpoint	26°F (-3°C)
Visibility	10.00 mi
Wind Chill	30°F (-1°C)
Last update	02 Dec 07:35 AM MST

More Information:

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

Extended Forecast for

Helena MT

Winter Weather Advisory until December 3, 05:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until December 3, 05:00am
NOW until 5:00am Wed
Winter Weather Advisory
Today
High: 33 °F
Snow and
Patchy Fog
Tonight
Low: 17 °F
Chance Snow
Wednesday
High: 33 °F
Decreasing
Clouds
Wednesday Night
Low: 20 °F
Mostly Cloudy
Thursday
High: 38 °F
Chance Snow
Thursday Night
Low: 25 °F
Chance Snow
Friday
High: 40 °F
Snow Likely
then
Rain/Snow
Likely
Friday Night
Low: 30 °F
Rain/Snow
Likely

Detailed Forecast

Today

Snow. Patchy fog between 10am and noon. High near 33. West southwest wind around 8 mph becoming northwest in the afternoon. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.

Tonight

A 40 percent chance of snow, mainly before 1am. Mostly cloudy, with a low around 17. West northwest wind around 5 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.

Wednesday

Mostly cloudy, then gradually becoming sunny, with a high near 33. Calm wind becoming south around 5 mph in the afternoon.

Wednesday Night

Mostly cloudy, with a low around 20. Southwest wind 8 to 10 mph.

Thursday

A 30 percent chance of snow after 11am. Mostly cloudy, with a high near 38. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

Thursday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 25. West southwest wind 7 to 10 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.

Friday

Snow likely before 2pm, then rain and snow likely. Mostly cloudy, with a high near 40. South southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Friday Night

Rain likely, possibly mixed with snow, mainly before 11pm. Mostly cloudy, with a low around 30. West wind 10 to 14 mph, with gusts as high as 25 mph.

Saturday

Rain and snow likely before 11am, then a chance of rain. Mostly cloudy, with a high near 42.

Saturday Night

A chance of rain and snow before 11pm. Mostly cloudy, with a low around 26.

Sunday

A slight chance of rain and snow. Mostly cloudy, with a high near 42.

Sunday Night

A slight chance of rain and snow. Mostly cloudy, with a low around 28.

Monday

Partly sunny, with a high near 44.