Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Hazardous Weather Conditions

Air Stagnation Advisory until January 16, 04:00 AM PST

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

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

Clear

39°F

4°C

Humidity	86%
Wind Speed	ESE 5 MPH
Barometer	30.42 in (1030.14 mb)
Dewpoint	36°F (2°C)
Visibility	10.00 mi
Wind Chill	35°F (2°C)
Last update	12 Jan 06:20 AM PST

More Information:

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

Extended Forecast for

Happy Valley OR

Air Stagnation Advisory January 12, 06:43am until January 16, 04:00am

Click here for hazard details and duration

Air Stagnation Advisory

Air Stagnation Advisory January 12, 06:43am until January 16, 04:00am
NOW until 4:00am Fri
Air Stagnation Advisory
Today
High: 52 °F
Mostly Sunny
Tonight
Low: 39 °F
Increasing
Clouds
Tuesday
High: 50 °F
Partly Sunny
Tuesday Night
Low: 37 °F
Partly Cloudy
Wednesday
High: 48 °F
Partly Sunny
Wednesday Night
Low: 39 °F
Mostly Cloudy
Thursday
High: 54 °F
Becoming
Sunny
Thursday Night
Low: 39 °F
Mostly Clear
then Mostly
Clear and
Breezy