National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

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

Clear

66°F

19°C

Humidity 63%
Wind Speed SW 4 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 10 Jul 10:50 AM PDT
Extended Forecast for

Happy Valley OR

  • Today

    Today: Sunny, with a high near 79. West northwest wind 5 to 7 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 55. North northwest wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 76. West northwest wind 5 to 8 mph.

    High: 76 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. Northwest wind 7 to 10 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 79. North northwest wind 6 to 8 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 79. West northwest wind 5 to 7 mph.
Tonight
Increasing clouds, with a low around 55. North northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 76. West northwest wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 54. Northwest wind 7 to 10 mph.
Sunday
Sunny, with a high near 79. North northwest wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Valley OR
 45.44°N 122.52°W (Elev. 600 ft)
Last Update:
10:41 am PDT Jul 10, 2026
Forecast Valid:
11am PDT Jul 10, 2026-6pm PDT Jul 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation