Major Storm Arriving Into The Western U.S.

A major Pacific storm system will arrive into the Pacific Northwest and produce locally heavy rain, heavy mountain snow, gusty winds and a slew of marine hazards. This significant storm will dig down the West Coast over the weekend into the Southwestern U.S. For Saturday and Sunday, expect heavy to excessive rainfall along the California coast and widespread heavy mountain snow across the West. Read More >

Hazardous Weather Conditions

Winter Storm Warning until December 10, 12:00 PM PST

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Current conditions at

Mt. St. Helens - Coldwater (MSH33)

Lat: 46.30333°NLon: 122.26503°WElev: 3260ft.

34°F

1°C

Humidity	95%
Wind Speed	SSE 6 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Wind Chill	29°F (-2°C)
Last update	09 Dec 02:00 PM PST

More Information:

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

Extended Forecast for

Mount St Helens WA

Winter Storm Warning until December 10, 12:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning until December 10, 12:00pm

NOW until
12:00pm Sat

Winter Storm Warning
This
Afternoon

Heavy Snow
and Very
Windy
High: 22 °F
Tonight

Heavy Snow
and Damaging
Winds
Low: 23 °F
Saturday

Heavy Snow
and Very
Windy
High: 26 °F
Saturday
Night

Snow Likely
and Breezy
Low: 23 °F
Sunday

Chance Snow
High: 27 °F
Sunday
Night

Mostly Cloudy
Low: 22 °F
Monday

Mostly Cloudy
High: 23 °F
Monday
Night

Mostly Cloudy
Low: 18 °F

Detailed Forecast

This Afternoon

Snow likely. The snow could be heavy at times. Cloudy, with a steady temperature around 22. Very windy, with a south wind around 39 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 5 to 9 inches possible.

Tonight

Snow. The snow could be heavy at times. Low around 23. Strong and damaging winds, with a south wind 49 to 55 mph, with gusts as high as 75 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

Saturday

Snow. The snow could be heavy at times. High near 26. Very windy, with a south wind 36 to 41 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Saturday Night

Snow likely, mainly before 4am. Cloudy, with a low around 23. Breezy, with a south southeast wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

Sunday

A chance of snow before 10am, then a chance of snow showers after 10am. Mostly cloudy, with a high near 27. Northwest wind around 11 mph. Chance of precipitation is 40%. New snow accumulation of around an inch possible.

Sunday Night

Mostly cloudy, with a low around 22.

Monday

Mostly cloudy, with a high near 23.

Monday Night

Mostly cloudy, with a low around 18.

Tuesday

Mostly sunny, with a high near 22.

Tuesday Night

Partly cloudy, with a low around 15. Breezy.

Wednesday

Mostly sunny, with a high near 20. Breezy.