Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Wind Advisory in effect from December 24, 07:00 AM PST until December 24, 04:00 PM PST

Current conditions at

Portland, Portland International Airport (KPDX)

Lat: 45.59578°NLon: 122.60917°WElev: 20.0ft.

Overcast

45°F

7°C

Humidity	87%
Wind Speed	N 0 MPH
Barometer	29.66 in (1004.4 mb)
Dewpoint	41°F (5°C)
Visibility	10.00 mi
Last update	23 Dec 08:00 PM PST

More Information:

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

Extended Forecast for

2 Miles NNE Lake Oswego OR

Wind Advisory December 24, 07:00am until December 24, 04:00pm

Click here for hazard details and duration

Wind Advisory

Tonight
Low: 42 °F
Rain
Wednesday
High: 53 °F
Chance Rain
and Very
Windy
Wednesday Night
Low: 44 °F
Chance Rain
Christmas Day
High: 51 °F
Rain Likely
Thursday Night
Low: 39 °F
Rain Likely
Friday
High: 47 °F
Rain Likely
Friday Night
Low: 37 °F
Chance Rain
Saturday
High: 47 °F
Mostly Cloudy
Saturday Night
Low: 34 °F
Mostly Cloudy

Detailed Forecast

Tonight

Rain. Low around 42. Northeast wind 7 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

A 50 percent chance of rain between 3pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 53. Very windy, with an east southeast wind 15 to 20 mph becoming south southwest 26 to 31 mph in the afternoon. Winds could gust as high as 49 mph. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

A 30 percent chance of rain, mainly after 4am. Increasing clouds, with a steady temperature around 44. Northeast wind 3 to 5 mph.

Christmas Day

Rain likely, mainly after 10am. Mostly cloudy, with a high near 51. East wind around 7 mph. Chance of precipitation is 60%.

Thursday Night

Rain likely, mainly after 4am. Mostly cloudy, with a low around 39. East wind around 5 mph. Chance of precipitation is 60%.

Friday

Rain likely, mainly before 10am. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.

Friday Night

A 50 percent chance of rain. Snow level 2200 feet. Mostly cloudy, with a low around 37.

Saturday

Mostly cloudy, with a high near 47.