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

Southwest Washington Regional Airport (KKLS)

Lat: 46.11553°NLon: 122.89273°WElev: 13.0ft.

Mostly Cloudy

50°F

10°C

Humidity	93%
Wind Speed	SSE 4 MPH
Barometer	30.21 in (1023.03 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Wind Chill	49°F (9°C)
Last update	07 Dec 07:20 PM PST

More Information:

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

Extended Forecast for

12 Miles NW Cougar WA

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

Click here for hazard details and duration

Flood Watch

Tonight
Low: 42 °F
Showers
Likely
Monday
High: 46 °F
Heavy Rain
and Windy
Monday Night
Low: 38 °F
Heavy Rain
and Windy
Tuesday
High: 47 °F
Rain
Tuesday Night
Low: 43 °F
Heavy Rain
and Windy
Wednesday
High: 48 °F
Heavy Rain
and Breezy
Wednesday Night
Low: 44 °F
Heavy Rain
Thursday
High: 48 °F
Rain
Thursday Night
Low: 47 °F
Rain Likely

Detailed Forecast

Tonight

Showers likely, mainly between 10pm and 11pm. Snow level 5000 feet. Cloudy, with a low around 42. South wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday

Showers, mainly before 10am, then rain after 10am. The rain could be heavy at times. High near 46. Windy, with a south southwest wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Monday Night

Rain. The rain could be heavy at times. Low around 38. Windy, with a south southwest wind 20 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Tuesday

Rain. High near 47. South southeast wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday Night

Rain. The rain could be heavy at times. Low around 43. Windy, with a southwest wind 14 to 22 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. Chance of precipitation is 100%.

Wednesday Night

Rain. The rain could be heavy at times. Low around 44. Chance of precipitation is 90%.

Thursday

Rain. Mostly cloudy, with a high near 48.

Thursday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 47.

Friday

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

Friday Night

A chance of rain. Mostly cloudy, with a low around 43.