Heat and Fire Weather Concerns West; Heavy Rain and Thunderstorms from Plains to mid-Atlantic

Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains today. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

Lat: 45.59578°NLon: 122.60917°WElev: 20.0ft.

Overcast

78°F

26°C

Humidity 45%
Wind Speed NW 11 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 55°F (13°C)
Visibility 8.00 mi
Heat Index79°F (26°C)
Last update 10 Sep 02:53 PM PDT
Extended Forecast for

Portland OR

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 77. North northwest wind around 7 mph.

    High: 77 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 54. North northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Mostly cloudy, with a high near 71. Calm wind.

    High: 71 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Cloudy

  • Saturday

    Saturday: A chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 67. Light south southwest wind.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers.  Patchy fog between 9pm and 10pm. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Showers and
    Patchy Fog

  • Sunday

    Sunday: A 50 percent chance of showers.  Cloudy, then gradually becoming mostly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Patchy fog before 1am, then patchy fog after 2am.  Otherwise, partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 71.

    High: 71 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 77. North northwest wind around 7 mph.
Tonight
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 54. North northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Mostly cloudy, with a high near 71. Calm wind.
Friday Night
Cloudy, with a low around 55. Calm wind.
Saturday
A chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 67. Light south southwest wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers. Patchy fog between 9pm and 10pm. Low around 55. Chance of precipitation is 80%.
Sunday
A 50 percent chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 66.
Sunday Night
Patchy fog before 1am, then patchy fog after 2am. Otherwise, partly cloudy, with a low around 52.
Monday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Portland OR
 45.53°N 122.67°W (Elev. 200 ft)
2:41 pm PDT Sep 10, 2026
3pm PDT Sep 10, 2026-6pm PDT Sep 16, 2026
 
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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