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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

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

Overcast

40°F

4°C

Humidity 96%
Wind Speed E 3 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 11 Oct 04:53 AM PDT
Extended Forecast for

Happy Valley OR

  • Today

    Today: Sunny, with a high near 62. North northeast wind 5 to 7 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. North wind around 5 mph becoming calm after midnight.

    Low: 38 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 63. Light and variable wind.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Light and variable wind.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. Calm wind.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 62. North northeast wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 38. North wind around 5 mph becoming calm after midnight.
Columbus Day
Sunny, with a high near 63. Light and variable wind.
Monday Night
Mostly clear, with a low around 40. Light and variable wind.
Tuesday
Mostly sunny, with a high near 64. Calm wind.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 50.
Saturday
A slight chance of rain. Partly sunny, with a high near 67.
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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:
4:41 am PDT Oct 11, 2026
Forecast Valid:
5am PDT Oct 11, 2026-6pm PDT Oct 17, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation