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 08:20 AM PST
Extended Forecast for

8 Miles S Scappoose Industrial Apk (1s4) OR

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

  • Today

    Today: Partly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 48. Light south southeast wind.

    High: 48 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain. Mostly cloudy, with a high near 49. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 49 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Monday

    Monday: A 50 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain before 10pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain then
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog between 10am and 11am. Otherwise, partly sunny, with a high near 57.

    High: 57 °F

    Patchy Fog
    then Partly
    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 49. Calm wind.
Tonight
Mostly cloudy, with a low around 39. Calm wind.
Saturday
Mostly cloudy, with a high near 48. Light south southeast wind.
Saturday Night
A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 37. Calm wind.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 49. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 43.
Monday
A 50 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 53.
Monday Night
A slight chance of rain before 10pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 45.
Tuesday
Patchy fog between 10am and 11am. Otherwise, partly sunny, with a high near 57.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 44.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 54.
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:
8:20 am PST Jan 9, 2026
Forecast Valid:
8am PST Jan 9, 2026-6pm PST Jan 15, 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