Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Current conditions at

Aurora State Airport (KUAO)

Lat: 45.24658°NLon: 122.77095°WElev: 194.0ft.

Overcast

59°F

15°C

Humidity 82%
Wind Speed N 5 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 05 Sep 11:35 PM PDT
Extended Forecast for

Lake Oswego OR

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am.  Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely before 3pm, then a chance of showers after 4pm.  Patchy fog before 11am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 69. Calm wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 10pm.  Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Labor Day

    Labor Day: Areas of fog before 8am.  Otherwise, mostly sunny, with a high near 70. Calm wind.

    High: 70 °F

    Areas Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog between 1am and 2am.  Otherwise, mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 54. Calm wind.
Sunday
Showers likely before 3pm, then a chance of showers after 4pm. Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 69. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 20 percent chance of showers before 10pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 53. Calm wind.
Labor Day
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 70. Calm wind.
Monday Night
Patchy fog between 1am and 2am. Otherwise, mostly clear, with a low around 53. Calm wind.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Clear, with a low around 56.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 75.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 56.
Saturday
A slight chance of rain. Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Oswego OR
 45.42°N 122.67°W (Elev. 200 ft)
11:41 pm PDT Sep 5, 2026
11pm PDT Sep 5, 2026-6pm PDT Sep 12, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database