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.

Mist

35°F

2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.49 in (1032.51 mb)
Dewpoint 35°F (2°C)
Visibility 1.00 mi
Last update 10 Jan 12:20 AM PST
Extended Forecast for

3 Miles E Hillsboro OR

Air Stagnation Advisory January 10, 12:38am until January 11, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 10, 12:38am until January 11, 10:00am

    NOW until 10:00am Sun

    Air Stagnation Advisory

  • Overnight

    Low: 38 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 51. Calm wind.

    High: 51 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers. Mostly cloudy, with a high near 51. Calm wind.

    High: 51 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Chance
    Showers

  • Monday

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

    High: 53 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Overnight
Patchy fog before 4am. Otherwise, mostly cloudy, with a low around 38. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 51. Calm wind.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 38. Calm wind.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 51. Calm wind.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 41. Calm wind.
Monday
A 50 percent chance of showers, mainly before 4pm. Mostly cloudy, with a high near 53.
Monday Night
A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 37.
Friday
Sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Hillsboro OR
 45.52°N 122.85°W (Elev. 200 ft)
Last Update:
11:41 pm PST Jan 9, 2026
Forecast Valid:
12am PST Jan 10, 2026-6pm PST Jan 16, 2026
 
Forecast Discussion
 
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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