Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

Current conditions at

CANYON CREEK (CYFW1)

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

47°F

8°C

Humidity	100%
Wind Speed	SSE 12 MPH
Barometer	NA
Dewpoint	47°F (8°C)
Visibility	NA
Wind Chill	42°F (6°C)
Last update	08 Dec 05:52 PM PST

More Information:

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

Extended Forecast for

8 Miles W Mount St Helens WA

Flood Watch December 8, 06:35pm until December 12, 04:00am

Flood Advisory until December 8, 11:00pm

Flood Warning until December 9, 08:00am

Click here for hazard details and duration

Flood Watch

...

Flood Warning

Flood Watch December 8, 06:35pm until December 12, 04:00am
Flood Advisory until December 8, 11:00pm
Flood Warning until December 9, 08:00am
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 38 °F
Breezy. Heavy
Rain then
Rain/Snow
Tuesday
High: 47 °F
Rain/Snow
then Rain
Tuesday Night
Low: 43 °F⇑
Heavy Rain
and Breezy
Wednesday
High: 48 °F
Heavy Rain
and Breezy
Wednesday Night
Low: 45 °F
Rain
Thursday
High: 47 °F
Rain
Thursday Night
Low: 45 °F
Rain Likely
Friday
High: 48 °F
Chance Rain

Detailed Forecast

Tonight

Rain before 5am, then rain, possibly mixed with snow. The rain could be heavy at times. Low around 38. Breezy, with a south southwest wind 13 to 21 mph becoming west northwest after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Tuesday

Rain, possibly mixed with snow, becoming all rain after 10am. Snow level 4000 feet rising to 8700 feet in the afternoon. High near 47. Northeast wind around 6 mph becoming south in the afternoon. Chance of precipitation is 100%. Little or no snow accumulation expected.

Tuesday Night

Rain. The rain could be heavy at times. Temperature rising to around 48 by 4am. Breezy, with a southwest wind 10 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Wednesday

Rain. The rain could be heavy at times. High near 48. Breezy, with a southwest wind 11 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Wednesday Night

Rain. Low around 45. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Thursday

Rain. High near 47. Chance of precipitation is 90%.

Thursday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

Friday

A chance of rain. Mostly cloudy, with a high near 48.

Friday Night

A slight chance of rain. Mostly cloudy, with a low around 41.

Saturday

A chance of rain, mainly after 10am. Partly sunny, with a high near 45.

Saturday Night

Rain likely. Mostly cloudy, with a low around 40.