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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

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

Overcast

39°F

4°C

Humidity 93%
Wind Speed ENE 16 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 37°F (3°C)
Visibility 8.00 mi
Wind Chill30°F (-1°C)
Last update 02 Jan 03:20 AM PST
Extended Forecast for

Happy Valley OR

  • Overnight

    Overnight: Rain, mainly after 4am. Steady temperature around 45. South wind around 9 mph. Chance of precipitation is 80%.

    Low: 45 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 2pm. Mostly cloudy, with a high near 52. South wind around 7 mph becoming east northeast in the afternoon. Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain, mainly after 1am. Low around 45. East northeast wind 11 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Slight Chance
    Rain then
    Rain

  • Saturday

    Saturday: Rain. High near 52. East wind 11 to 13 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 44. Windy, with an east southeast wind 16 to 26 mph becoming south after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain and
    Windy

  • Sunday

    Sunday: Rain. High near 48. Breezy. Chance of precipitation is 90%.

    High: 48 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 46.

    High: 46 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of rain, mainly after 4am. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Overnight
Rain, mainly after 4am. Steady temperature around 45. South wind around 9 mph. Chance of precipitation is 80%.
Friday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 52. South wind around 7 mph becoming east northeast in the afternoon. Chance of precipitation is 60%.
Friday Night
Rain, mainly after 1am. Low around 45. East northeast wind 11 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 52. East wind 11 to 13 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 44. Windy, with an east southeast wind 16 to 26 mph becoming south after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 48. Breezy. Chance of precipitation is 90%.
Sunday Night
Rain. Low around 41. Chance of precipitation is 80%.
Monday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 46.
Monday Night
A chance of rain, mainly after 4am. Mostly cloudy, with a low around 38.
Tuesday
Rain likely, mainly after 10am. Snow level 3100 feet. Cloudy, with a high near 44. Breezy.
Tuesday Night
Rain. Cloudy, with a low around 39. Breezy.
Wednesday
Rain. Snow level 2400 feet. Mostly cloudy, with a high near 44. Breezy.
Wednesday Night
Rain. Snow level 2200 feet. Mostly cloudy, with a low around 37.
Thursday
Rain likely. Snow level 2100 feet. Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Valley OR
 45.46°N 122.56°W (Elev. 925 ft)
Last Update:
3:01 am PST Jan 2, 2026
Forecast Valid:
3am PST Jan 2, 2026-6pm PST Jan 8, 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