Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Flood Watch until December 11, 04:00 PM PST

Current conditions at

Portland-Hillsboro Airport (KHIO)

Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.

light rain,mist

46°F

8°C

Humidity	93%
Wind Speed	N 0 MPH
Barometer	30.13 in (1020.32 mb)
Dewpoint	45°F (7°C)
Visibility	6.00 mi
Last update	09 Dec 01:20 PM PST

More Information:

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

Extended Forecast for

Hillsboro OR

Flood Watch December 9, 01:37pm until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 01:37pm until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
This Afternoon
High: 57 °F
Rain
Tonight
Low: 50 °F
Rain
Wednesday
High: 60 °F
Rain
Wednesday Night
Low: 53 °F
Rain
Thursday
High: 59 °F
Rain
Thursday Night
Low: 50 °F
Chance Rain
Friday
High: 59 °F
Mostly Cloudy
then Slight
Chance Rain
Friday Night
Low: 47 °F
Slight Chance
Rain then
Mostly Cloudy

Detailed Forecast

This Afternoon

Rain. High near 57. Light and variable wind becoming south around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Rain. Low around 50. South southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Rain. High near 60. South southwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

Wednesday Night

Rain. Low around 53. South southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

Thursday

Rain, mainly before 4pm. High near 59. South southwest wind around 7 mph. Chance of precipitation is 80%.

Thursday Night

A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 50.

Friday

A 10 percent chance of rain after 4pm. Mostly cloudy, with a high near 59.

Friday Night

A slight chance of rain before 10pm. Mostly cloudy, with a low around 47.