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 until December 3, 05:00 AM MST

Current conditions at

Helena Regional Airport (KHLN)

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

Overcast

32°F

0°C

Humidity	74%
Wind Speed	W 9 MPH
Barometer	30.14 in (1020.66 mb)
Dewpoint	25°F (-4°C)
Visibility	10.00 mi
Wind Chill	24°F (-4°C)
Last update	03 Dec 01:35 AM MST

More Information:

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

Extended Forecast for

Helena MT

Winter Weather Advisory December 3, 01:46am until December 3, 05:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 3, 01:46am until December 3, 05:00am
NOW until 5:00am Wed
Winter Weather Advisory
Overnight
Low: 19 °F
Chance Snow
Wednesday
High: 33 °F
Mostly Sunny
Wednesday Night
Low: 22 °F
Mostly Cloudy
Thursday
High: 36 °F
Chance Snow
Thursday Night
Low: 26 °F
Chance Snow
Friday
High: 38 °F
Chance Snow
then
Rain/Snow
Friday Night
Low: 31 °F
Rain/Snow
Saturday
High: 40 °F
Rain/Snow
Likely then
Chance Rain

Detailed Forecast

Overnight

A 30 percent chance of snow, mainly before 2am. Mostly cloudy, with a low around 19. Calm wind. Total nighttime 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 22. Southwest wind 7 to 9 mph.

Thursday

A 40 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 36. Southwest wind 6 to 9 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.

Thursday Night

A 30 percent chance of snow. Mostly cloudy, with a low around 26. West wind 7 to 10 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

Friday

A chance of snow before 2pm, then snow, possibly mixed with rain. High near 38. Southwest wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Friday Night

Rain, possibly mixed with snow. Low around 31. West wind 10 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Saturday

Rain and snow likely before 11am, then a chance of rain. Partly sunny, with a high near 40. West wind around 14 mph, with gusts as high as 31 mph.

Saturday Night

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

Sunday

A slight chance of snow after 11am, mixing with rain after 2pm. Partly sunny, with a high near 41.

Sunday Night

A slight chance of rain and snow. Mostly cloudy, with a low around 30.

Monday

Partly sunny, with a high near 43.

Monday Night

A slight chance of rain and snow. Mostly cloudy, with a low around 33.