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

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

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

Overcast

48°F

9°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	30.23 in (1023.71 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	08 Dec 01:00 AM PST

More Information:

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

Extended Forecast for

4 Miles ENE Troutdale OR

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

Wind Advisory December 8, 07:00am until December 9, 04:00am

Click here for hazard details and duration

Flood Watch

Wind Advisory

Overnight
Low: 50 °F
Rain Likely
Monday
High: 57 °F
Rain and Very
Windy
Monday Night
Low: 49 °F
Rain and Very
Windy
Tuesday
High: 57 °F
Rain
Tuesday Night
Low: 52 °F
Rain and
Windy
Wednesday
High: 58 °F
Rain and
Windy
Wednesday Night
Low: 54 °F
Rain and
Breezy
Thursday
High: 59 °F
Rain and
Breezy
Thursday Night
Low: 49 °F
Chance Rain

Detailed Forecast

Overnight

Rain likely, mainly after 5am. Cloudy, with a low around 50. South wind around 9 mph. Chance of precipitation is 60%.

Monday

Rain. High near 57. Very windy, with a south southwest wind 24 to 30 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Monday Night

Rain. Low around 49. Very windy, with a south southwest wind 28 to 31 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday

Rain. High near 57. South southwest wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday Night

Rain. Low around 52. Windy, with a southwest wind 21 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Wednesday

Rain. High near 58. Windy. Chance of precipitation is 100%.

Wednesday Night

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

Thursday

Rain, mainly before 4pm. Mostly cloudy, with a high near 59. Breezy.

Thursday Night

A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 49.

Friday

A slight chance of rain before 10am. Partly sunny, with a high near 58.

Friday Night

A slight chance of rain. Mostly cloudy, with a low around 46.