Strong Storm for the West and Southwest; Heavy Snow for the Northern Plains and Upper Midwest

A strong storm will move ashore across California today accompanied by strong winds, heavy rain and heavy snow for the higher terrain. Flooding will be of great concern for Southern California into portions of Arizona through Wednesday. Several feet of snow is expected across central and southern California Mountains into the central Great Basin. Snow will impact the northern Plains into tonight. Read More >

Hazardous Weather Conditions

Winter Storm Watch in effect from March 23, 11:00 AM PDT until March 24, 05:00 PM PDT

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Current conditions at

Mt. St. Helens - Coldwater (MSH33)

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

53°F

12°C

Humidity	57%
Wind Speed	SSE 1 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Last update	21 Mar 02:00 PM PDT

More Information:

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

Extended Forecast for

8 Miles NNW Mount St Helens WA

Winter Storm Watch March 23, 11:00am until March 24, 05:00pm

Click here for hazard details and duration

Winter Storm Watch

This
Afternoon

Slight Chance
Showers
High: 50 °F
Tonight

Mostly Clear
Low: 33 °F
Wednesday

Chance
Showers
High: 52 °F
Wednesday
Night

Showers then
Rain/Snow
Low: 34 °F
Thursday

Breezy. Snow
Showers then
Rain/Snow
High: 39 °F
Thursday
Night

Heavy Snow
and Breezy
Low: 29 °F
Friday

Heavy Snow
High: 36 °F
Friday
Night

Snow Showers
Low: 28 °F
Saturday

Snow Showers
High: 39 °F

Detailed Forecast

This Afternoon

A 20 percent chance of showers after 3pm. Snow level 4600 feet. Mostly sunny, with a high near 50. East wind 5 to 7 mph becoming north.

Tonight

Mostly clear, with a low around 33. East northeast wind 5 to 9 mph becoming light east after midnight.

Wednesday

A 40 percent chance of showers, mainly after 1pm. Snow level 3000 feet rising to 4300 feet in the afternoon. Increasing clouds, with a high near 52. Light and variable wind becoming west southwest around 6 mph in the afternoon.

Wednesday Night

Rain showers before 2am, then rain and snow showers. Snow level 4200 feet lowering to 2900 feet after midnight . Low around 34. West southwest wind around 8 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Thursday

Snow showers before 2pm, then rain showers. High near 39. Breezy, with a southwest wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

Snow showers. The snow could be heavy at times. Low around 29. Breezy. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

Friday

Snow showers. The snow could be heavy at times. High near 36. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

Friday Night

Snow showers. Cloudy, with a low around 28.

Saturday

Snow showers. Cloudy, with a high near 39.

Saturday Night

Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 27.

Sunday

Snow showers. Cloudy, with a high near 39.

Sunday Night

Snow showers likely. Mostly cloudy, with a low around 28.