National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

36°F

2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.49 in (1032.51 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 09 Jan 11:35 PM PST
Extended Forecast for

8 Miles S Scappoose Industrial Apk (1s4) OR

Air Stagnation Advisory January 9, 11:47pm until January 11, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 9, 11:47pm until January 11, 10:00am

    NOW until 10:00am Sun

    Air Stagnation Advisory

  • Tonight

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 10 percent chance of showers after 4pm. Mostly cloudy, with a high near 49. Light south wind.

    High: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 10pm. Mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 49. Light south southeast wind.

    High: 49 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 42. South southeast wind 3 to 5 mph.

    Low: 42 °F

    Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers, mainly before 4pm. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. Calm wind.
Saturday
A 10 percent chance of showers after 4pm. Mostly cloudy, with a high near 49. Light south wind.
Saturday Night
A 30 percent chance of showers, mainly after 10pm. Mostly cloudy, with a low around 41. Calm wind.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 49. Light south southeast wind.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 42. South southeast wind 3 to 5 mph.
Monday
A 50 percent chance of showers, mainly before 4pm. Mostly cloudy, with a high near 52.
Monday Night
A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 37.
Friday
Sunny, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles S Scappoose Industrial Apk (1s4) OR
 45.65°N 122.86°W (Elev. 207 ft)
Last Update:
11:41 pm PST Jan 9, 2026
Forecast Valid:
11pm PST Jan 9, 2026-6pm PST Jan 16, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation