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

Tracking Two Storms Impacting the Northern U.S. Through Thanksgiving and into This Weekend

Heavy lake effect snow, gusty winds, and localized blizzard conditions will persist through Thanksgiving near and downwind of the Great Lakes. Rain and mountain snow are forecast for the Pacific Northwest. Confidence is increasing for another winter storm to develop over the northern and central Rockies Friday and track across the central Plains through the Midwest and Great Lakes this weekend. Read More >

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

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

Overcast

54°F

12°C

Humidity 83%
Wind Speed SSW 13 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 28 Nov 12:53 AM PST
Extended Forecast for

Happy Valley OR

  • Overnight

    Overnight: Rain, mainly before 3am. Low around 49. Breezy, with a south southwest wind 15 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.

    Low: 49 °F

    Rain and
    Breezy

  • Friday

    Friday: Rain likely, mainly before 8am. Mostly cloudy, with a high near 53. South wind around 7 mph becoming east northeast in the afternoon. Chance of precipitation is 60%.

    High: 53 °F

    Rain Likely
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. East northeast wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 10 percent chance of rain after 4pm. Partly sunny, with a high near 50. East northeast wind 7 to 9 mph.

    High: 50 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 38. East wind around 5 mph.

    Low: 38 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 1am. Otherwise, partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 7am. Otherwise, mostly cloudy, with a high near 47.

    High: 47 °F

    Areas Frost
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Overnight
Rain, mainly before 3am. Low around 49. Breezy, with a south southwest wind 15 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.
Friday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 53. South wind around 7 mph becoming east northeast in the afternoon. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 41. East northeast wind 9 to 11 mph, with gusts as high as 22 mph.
Saturday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 50. East northeast wind 7 to 9 mph.
Saturday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 38. East wind around 5 mph.
Sunday
Partly sunny, with a high near 48.
Sunday Night
Areas of frost after 1am. Otherwise, partly cloudy, with a low around 36.
Monday
Areas of frost before 7am. Otherwise, mostly cloudy, with a high near 47.
Monday Night
A chance of rain. Mostly cloudy, with a low around 40.
Tuesday
A chance of rain. Mostly cloudy, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
A slight chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Valley OR
 45.43°N 122.55°W (Elev. 423 ft)
Last Update:
1:00 am PST Nov 28, 2025
Forecast Valid:
1am PST Nov 28, 2025-6pm PST Dec 4, 2025
 
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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