Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Mostly Cloudy

59°F

15°C

Humidity 77%
Wind Speed SE 5 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 03 Sep 07:20 PM PDT
Extended Forecast for

4 Miles SE Cedar Hills OR

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Patchy fog between 11pm and 4am.  Otherwise, mostly cloudy, with a low around 52. Calm wind.  Chance of precipitation is 40%.

    Low: 52 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 11am.  Patchy fog before 11am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 71. Calm wind.

    High: 71 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Friday Night

    Friday Night: A 30 percent chance of showers after 11pm.  Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 11am.  Areas of fog before 10am.  Otherwise, partly sunny, with a high near 73. Calm wind.

    High: 73 °F

    Chance
    Showers and
    Areas Fog

  • Saturday Night

    Saturday Night: Patchy fog before 3am, then patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: A 20 percent chance of showers.  Patchy fog between 7am and 10am.  Otherwise, mostly cloudy, with a high near 75.

    High: 75 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 11pm.  Patchy fog before 4am, then patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance Rain
    and Patchy
    Fog

  • Labor Day

    Labor Day: A slight chance of rain.  Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 74.

    High: 74 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: A slight chance of rain after 11pm.  Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 54.

    Low: 54 °F

    Slight Chance
    Rain and
    Patchy Fog

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Patchy fog between 11pm and 4am. Otherwise, mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 40%.
Friday
A 20 percent chance of showers and thunderstorms after 11am. Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 71. Calm wind.
Friday Night
A 30 percent chance of showers after 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 52. Calm wind.
Saturday
A 30 percent chance of showers, mainly before 11am. Areas of fog before 10am. Otherwise, partly sunny, with a high near 73. Calm wind.
Saturday Night
Patchy fog before 3am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 53. Calm wind.
Sunday
A 20 percent chance of showers. Patchy fog between 7am and 10am. Otherwise, mostly cloudy, with a high near 75.
Sunday Night
A 30 percent chance of rain, mainly before 11pm. Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 54.
Labor Day
A slight chance of rain. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 74.
Monday Night
A slight chance of rain after 11pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 54.
Tuesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Cedar Hills OR
 45.47°N 122.75°W (Elev. 302 ft)
6:41 pm PDT Sep 3, 2026
7pm PDT Sep 3, 2026-6pm PDT Sep 10, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database