Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Flood Watch in effect from December 8, 04:00 AM PST until December 12, 04:00 AM PST

Current conditions at

DRY CRK (DCCW1)

Lat: 45.94361°NLon: 121.9875°WElev: 2697.0ft.

44°F

7°C

Humidity	88%
Wind Speed	WSW 5 MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Wind Chill	41°F (5°C)
Last update	07 Dec 10:25 PM PST

More Information:

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

Extended Forecast for

13 Miles NNE Mount St Helens WA

Flood Watch December 8, 04:00am until December 12, 04:00am

Click here for hazard details and duration

Flood Watch

Tonight
Low: 36 °F
Snow Showers
Likely then
Chance
Rain/Snow
Monday
High: 42 °F
Windy.
Rain/Snow
then Heavy
Rain
Monday Night
Low: 32 °F
Rain/Snow and
Windy
Tuesday
High: 42 °F
Snow then
Rain/Snow
Tuesday Night
Low: 38 °F
Windy.
Rain/Snow
then Heavy
Rain
Wednesday
High: 43 °F
Rain/Snow and
Windy
Wednesday Night
Low: 39 °F
Rain/Snow
Thursday
High: 43 °F
Rain/Snow
Thursday Night
Low: 42 °F
Rain/Snow
Likely

Detailed Forecast

Tonight

Snow showers likely before 4am, then a chance of rain and snow showers after 5am. Mostly cloudy, with a low around 36. West southwest wind 10 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Monday

A chance of rain and snow showers before 7am, then rain. The rain could be heavy at times. High near 42. Windy, with a southwest wind 20 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Monday Night

Rain before 10pm, then rain and snow. The rain could be heavy at times. Snow level 7900 feet lowering to 6100 feet after midnight . Low around 32. Windy, with a west southwest wind 25 to 29 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Tuesday

Snow before 1pm, then snow, possibly mixed with rain. High near 42. South wind 6 to 10 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Tuesday Night

Rain and snow, becoming all rain after 7pm. The rain could be heavy at times. Low around 38. Windy, with a west southwest wind 17 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Wednesday

Rain, possibly mixed with snow. The rain could be heavy at times. Snow level 6900 feet. High near 43. Windy. Chance of precipitation is 100%. Little or no snow accumulation expected.

Wednesday Night

Rain, possibly mixed with snow. The rain could be heavy at times. Snow level 7000 feet. Low around 39. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday

Rain, possibly mixed with snow. Mostly cloudy, with a high near 43.

Thursday Night

Rain likely, possibly mixed with snow, mainly before 10pm. Mostly cloudy, with a low around 42.

Friday

A chance of rain. Snow level 7000 feet. Mostly cloudy, with a high near 44.

Friday Night

A chance of rain. Snow level 6700 feet. Mostly cloudy, with a low around 37.

Saturday

Rain likely. Snow level 6400 feet. Mostly cloudy, with a high near 42.

Saturday Night

Rain and snow likely. Snow level 5900 feet. Mostly cloudy, with a low around 38.