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 International Airport (KPDX)

Lat: 45.59578°NLon: 122.60917°WElev: 20.0ft.

Rain

41°F

5°C

Humidity 95%
Wind Speed SE 6 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 40°F (4°C)
Visibility 9.00 mi
Wind Chill37°F (3°C)
Last update 01 Jan 11:53 PM PST
Extended Forecast for

3 Miles NNW Lake Oswego OR

  • Overnight

    Overnight: Rain. Low around 39. Calm wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain

  • Friday

    Friday: A 40 percent chance of rain, mainly before 9am. Mostly cloudy, with a high near 53. Light and variable wind becoming east around 5 mph in the afternoon.

    High: 53 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain, mainly after 4am. Low around 44. East northeast wind around 6 mph. Chance of precipitation is 80%.

    Low: 44 °F

    Chance Rain
    then Rain

  • Saturday

    Saturday: Rain. High near 53. East southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 46. East southeast wind 9 to 13 mph becoming south after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain

  • Sunday

    Sunday: Rain. High near 50. Chance of precipitation is 80%.

    High: 50 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 42. Chance of precipitation is 80%.

    Low: 42 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 48.

    High: 48 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Overnight
Rain. Low around 39. Calm wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 40 percent chance of rain, mainly before 9am. Mostly cloudy, with a high near 53. Light and variable wind becoming east around 5 mph in the afternoon.
Friday Night
Rain, mainly after 4am. Low around 44. East northeast wind around 6 mph. Chance of precipitation is 80%.
Saturday
Rain. High near 53. East southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 46. East southeast wind 9 to 13 mph becoming south after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 50. Chance of precipitation is 80%.
Sunday Night
Rain. Low around 42. Chance of precipitation is 80%.
Monday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 48.
Monday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 38.
Tuesday
A chance of rain. Mostly cloudy, with a high near 47.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 40.
Wednesday
Rain likely. Snow level 2500 feet. Mostly cloudy, with a high near 46.
Wednesday Night
Rain likely. Snow level 2000 feet. Mostly cloudy, with a low around 36.
Thursday
A chance of rain. Snow level 1800 feet. Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Lake Oswego OR
 45.46°N 122.71°W (Elev. 456 ft)
Last Update:
11:41 pm PST Jan 1, 2026
Forecast Valid:
12am 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