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 5 MPH
Barometer	NA
Dewpoint	47°F (8°C)
Visibility	NA
Wind Chill	45°F (7°C)
Last update	09 Dec 01:52 AM PST

More Information:

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

Extended Forecast for

10 Miles WNW Mount St Helens WA

Flood Watch December 9, 02:16am until December 12, 04:00am

Flood Advisory December 9, 02:16am until December 9, 04:00am

Click here for hazard details and duration

Flood Watch

Flood Advisory

Flood Watch December 9, 02:16am until December 12, 04:00am
Flood Advisory December 9, 02:16am until December 9, 04:00am
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 34 °F
Rain/Snow
Tuesday
High: 44 °F
Rain/Snow
Likely then
Rain/Snow
Tuesday Night
Low: 40 °F⇑
Heavy Rain
and Breezy
Wednesday
High: 47 °F
Rain and
Breezy
Wednesday Night
Low: 43 °F
Rain
Thursday
High: 45 °F
Rain
Thursday Night
Low: 42 °F
Rain Likely
then Chance
Rain
Friday
High: 45 °F
Chance Rain

Detailed Forecast

Overnight

Rain before 4am, then snow, possibly mixed with rain. The rain could be heavy at times. Snow level 6400 feet lowering to 5300 feet. Low around 34. Northwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.

Tuesday

Rain likely, possibly mixed with snow before 1pm, then rain. Snow level rising to 8700 feet in the afternoon. High near 44. East northeast wind around 6 mph becoming south in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Tuesday Night

Rain. The rain could be heavy at times. Temperature rising to around 46 by midnight. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Wednesday

Rain. High near 47. Breezy, with a south southwest wind 14 to 17 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 43. Southwest wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Thursday

Rain. High near 45. Chance of precipitation is 100%.

Thursday Night

Rain likely, mainly before 10pm. Cloudy, with a low around 42. Chance of precipitation is 70%.

Friday

A chance of rain. Mostly cloudy, with a high near 45.

Friday Night

A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 38.

Saturday

A chance of rain, mainly after 10am. Partly sunny, with a high near 46.

Saturday Night

Rain. Snow level 5800 feet. Mostly cloudy, with a low around 39.