Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

Lat: 45.55111°NLon: 122.40889°WElev: 36.0ft.

Clear

57°F

14°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 09 Sep 01:35 AM PDT
Extended Forecast for

5 Miles N Troutdale OR

  • Overnight

    Overnight: Clear, with a low around 54. Northeast wind around 5 mph.

    Low: 54 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Light and variable wind becoming north northwest around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 56. Light and variable wind.

    Low: 56 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 75. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 75 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 48. Northwest wind 5 to 10 mph becoming light west northwest  in the evening. Winds could gust as high as 18 mph.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after 11pm.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 64.

    High: 64 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Rain Likely

Detailed Forecast

Overnight
Clear, with a low around 54. Northeast wind around 5 mph.
Wednesday
Sunny, with a high near 85. Light and variable wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 56. Light and variable wind.
Thursday
Mostly cloudy, with a high near 75. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Thursday Night
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 48. Northwest wind 5 to 10 mph becoming light west northwest in the evening. Winds could gust as high as 18 mph.
Friday
Partly sunny, with a high near 69.
Friday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 51.
Saturday
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 64.
Saturday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 50.
Sunday
A slight chance of rain. Mostly cloudy, with a high near 69.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Troutdale OR
 45.63°N 122.39°W (Elev. 413 ft)
1:41 am PDT Sep 9, 2026
1am PDT Sep 9, 2026-6pm PDT Sep 15, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database