Storm Tracking Across the Plains; Powerful Pacific System is Approaching

Some heavy rain and possible flash flooding may affect the Central Plains through Thursday. Meanwhile, wintry weather conditions will spread through portions of Central and Northern Plains. A powerful storm system is forecast to approach the Pacific Northwest, then spreading inland and down through California through the end of this week. A series of storms will impact Alaska into the weekend. Read More >

Hazardous Weather Conditions

Winter Storm Warning in effect from December 8, 12:00 AM PST until December 9, 04:00 AM 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	89%
Wind Speed	SSE 1 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	07 Dec 06:00 PM PST

More Information:

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

Extended Forecast for

2 Miles SE Mount St Helens WA

Winter Storm Warning December 8, 12:00am until December 9, 04:00am

Click here for hazard details and duration

Winter Storm Warning

Tonight

Heavy Snow
Low: 29 °F
Thursday

Heavy Snow
High: 30 °F
Thursday
Night

Heavy Snow
Low: 28 °F
Friday

Heavy Snow
High: 31 °F
Friday
Night

Heavy Snow
and Breezy
Low: 27 °F
Saturday

Heavy Snow
and Breezy
High: 33 °F
Saturday
Night

Snow Likely
then Chance
Snow Showers
Low: 29 °F
Sunday

Chance Snow
Showers
High: 32 °F
Sunday
Night

Mostly Cloudy
Low: 25 °F

Detailed Forecast

Tonight

Snow after 10pm. The snow could be heavy at times. Low around 29. West southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 8 to 12 inches possible.

Thursday

Snow. The snow could be heavy at times. High near 30. Southwest wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

Thursday Night

Snow before 9pm, then snow showers, mainly after 9pm. The snow could be heavy at times. Low around 28. Southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

Friday

Snow showers likely before noon, then snow likely after noon. The snow could be heavy at times. Mostly cloudy, with a high near 31. South southeast wind 8 to 10 mph. Chance of precipitation is 70%. New snow accumulation of 4 to 8 inches possible.

Friday Night

Snow. The snow could be heavy at times. Low around 27. Breezy, with an east southeast wind 16 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Saturday

Snow. The snow could be heavy at times. High near 33. Breezy. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Saturday Night

Snow likely before 7pm, then snow showers likely, mainly between 7pm and 10pm. Mostly cloudy, with a low around 29. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

Sunday

A chance of snow showers. Mostly cloudy, with a high near 32.

Sunday Night

Mostly cloudy, with a low around 25.

Monday

Partly sunny, with a high near 29.

Monday Night

A slight chance of snow showers. Mostly cloudy, with a low around 23.

Tuesday

A chance of snow showers. Partly sunny, with a high near 29.

Tuesday Night

A slight chance of snow showers. Mostly cloudy, with a low around 22.