Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

Lat: 45.55111°NLon: 122.40889°WElev: 36.0ft.

Overcast

52°F

11°C

Humidity	96%
Wind Speed	N 0 MPH
Barometer	30.13 in (1020.32 mb)
Dewpoint	51°F (11°C)
Visibility	10.00 mi
Last update	08 Dec 06:53 AM PST

More Information:

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

Extended Forecast for

Happy Valley OR

Flood Watch December 8, 10:00am until December 12, 04:00am

Wind Advisory until December 9, 04:00am

Click here for hazard details and duration

Flood Watch

Wind Advisory

Wind Advisory until December 9, 04:00am
NOW until 4:00am Tue
Wind Advisory
Today
High: 55 °F
Rain and
Breezy
Tonight
Low: 48 °F
Heavy Rain
and Windy
Tuesday
High: 55 °F
Heavy Rain
Tuesday Night
Low: 52 °F
Rain and
Windy
Wednesday
High: 57 °F
Rain and
Breezy
Wednesday Night
Low: 54 °F
Rain and
Breezy
Thursday
High: 57 °F
Rain Likely
Thursday Night
Low: 48 °F
Chance Rain

Detailed Forecast

Today

Rain. High near 55. Breezy, with a south southwest wind around 21 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Tonight

Rain. The rain could be heavy at times. Low around 48. Windy, with a south southwest wind 24 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday

Rain. The rain could be heavy at times. High near 55. Northwest wind 10 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday Night

Rain. Low around 52. Windy, with a south southwest wind 21 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Wednesday

Rain. High near 57. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Wednesday Night

Rain. Low around 54. Breezy. Chance of precipitation is 90%.

Thursday

Rain likely, mainly before 10am. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.

Thursday Night

A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 48.

Friday

Partly sunny, with a high near 55.

Friday Night

A slight chance of rain after 4am. Mostly cloudy, with a low around 44.

Saturday

A chance of rain. Partly sunny, with a high near 54.