Western Storm Spreads East

A western storm will slowly spread accumulating snow into the Intermountain West and Rockies, while heavy snow persists across the southern Sierra-Nevada mountains. Locally heavy rain will be possible from parts of southeastern Arizona into western new Mexico. A strong Bering Sea storm will bring an accumulating wintry mix, coastal flooding and ice shoves to western Alaska. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from December 4, 03:00 PM MST until December 5, 12:00 PM MST

En Español

Current conditions at

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874ft.

Clear

7°F

-14°C

Humidity	71%
Wind Speed	N 0 MPH
Barometer	30.21 in (1023.03 mb)
Dewpoint	-1°F (-18°C)
Visibility	10.00 mi
Last update	04 Dec 12:20 AM MST

More Information:

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

Extended Forecast for

Helena MT

Winter Weather Advisory December 4, 03:00pm until December 5, 12:00pm

Click here for hazard details and duration

Winter Weather Advisory

Overnight

Partly Cloudy
Low: 4 °F
Sunday

Partly Sunny
then Chance
Snow
High: 27 °F
Sunday
Night

Snow Likely
Low: 13 °F
Monday

Chance Snow
then Mostly
Cloudy
High: 29 °F
Monday
Night

Chance Snow
Low: 12 °F
Tuesday

Chance Snow
High: 27 °F
Tuesday
Night

Mostly Cloudy
Low: 11 °F
Wednesday

Mostly Sunny
High: 29 °F
Wednesday
Night

Partly Cloudy
Low: 8 °F

Detailed Forecast

Overnight

Partly cloudy, with a low around 4. Light west southwest wind.

Sunday

A 30 percent chance of snow, mainly between noon and 4pm. Mostly cloudy, with a high near 27. Calm wind becoming northwest around 5 mph in the afternoon. New snow accumulation of less than a half inch possible.

Sunday Night

Snow likely. Cloudy, with a low around 13. West northwest wind around 6 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Monday

A 30 percent chance of snow before 11am. Mostly cloudy, with a high near 29. Calm wind becoming southwest around 6 mph in the afternoon. New snow accumulation of less than a half inch possible.

Monday Night

A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 12. West southwest wind around 7 mph. New snow accumulation of less than a half inch possible.

Tuesday

A 30 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 27. West wind around 7 mph. New snow accumulation of less than a half inch possible.

Tuesday Night

Mostly cloudy, with a low around 11. Southwest wind around 7 mph.

Wednesday

Mostly sunny, with a high near 29. South southwest wind around 8 mph.

Wednesday Night

Partly cloudy, with a low around 8.

Thursday

Mostly sunny, with a high near 27.

Thursday Night

Partly cloudy, with a low around 10.

Friday

A slight chance of snow. Partly sunny, with a high near 25.