Storm Systems Continue to Impact the Pacific Northwest; Lake Effect Snow Continues

A second Pacific cold front will cross the Pacific Northwest Wednesday followed by another atmospheric river. Each of these features will bring additional periods of gusty winds, mountain snow, and heavy to excessive rainfall with renewed flooding. Heavy lake effect snow continues into Tuesday east of Lakes Erie and Ontario. Read More >

Hazardous Weather Conditions

Flood Watch in effect from December 18, 04:00 AM PST until December 20, 04:00 AM PST

Current conditions at

CANYON CREEK (CYFW1)

Lat: 45.92944°NLon: 122.20278°WElev: 2592.0ft.

45°F

7°C

Humidity	100%
Wind Speed	SSW 1 MPH
Barometer	NA
Dewpoint	45°F (7°C)
Visibility	NA
Last update	15 Dec 06:52 PM PST

More Information:

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

Extended Forecast for

3 Miles E Mount St Helens WA

Flood Watch December 18, 04:00am until December 20, 04:00am

Click here for hazard details and duration

Flood Watch

Tonight
Low: 38 °F
Rain and
Breezy
Tuesday
High: 44 °F
Heavy Rain
and Breezy
Tuesday Night
Low: 31 °F
Windy. Heavy
Rain then
Rain/Snow
Wednesday
High: 33 °F
Heavy Snow
and Windy
Wednesday Night
Low: 31 °F
Snow
Thursday
High: 37 °F
Rain/Snow
Thursday Night
Low: 31 °F
Rain/Snow
Friday
High: 32 °F
Heavy Snow
Friday Night
Low: 29 °F
Heavy Snow

Detailed Forecast

Tonight

Rain. Snow level 4800 feet. Low around 38. Breezy, with a west southwest wind 8 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

Tuesday

Rain. The rain could be heavy at times. High near 44. Breezy, with a south southwest wind 10 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday Night

Rain before 1am, then rain and snow. The rain and snow could be heavy at times. Some thunder is also possible. Snow level 6800 feet lowering to 4500 feet after midnight . Low around 31. Windy, with a south southwest wind 24 to 29 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Wednesday

Snow. The snow could be heavy at times. High near 33. Windy, with a west southwest wind 15 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Wednesday Night

Snow. Low around 31. South wind around 8 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Thursday

Snow before 10am, then rain and snow between 10am and 1pm, then rain after 1pm. The rain could be heavy at times. Snow level rising to 5700 feet in the afternoon. High near 37. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Thursday Night

Rain before 7pm, then rain and snow. The rain and snow could be heavy at times. Snow level 5100 feet lowering to 3700 feet after midnight . Low around 31. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Friday

Snow. The snow could be heavy at times. Cloudy, with a high near 32.

Friday Night

Snow. The snow could be heavy at times. Mostly cloudy, with a low around 29.

Saturday

Snow. The snow could be heavy at times. Cloudy, with a high near 31.

Saturday Night

Snow. Mostly cloudy, with a low around 29.

Sunday

Snow likely. Mostly cloudy, with a high near 34.

Sunday Night

Rain and snow likely. Mostly cloudy, with a low around 30.