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

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

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

Clear

48°F

9°C

Humidity 46%
Wind Speed SE 12 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 30 Dec 02:35 PM PST
Extended Forecast for

Portland OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 48. East wind around 8 mph.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Areas of frost before 3am, then areas of frost after 4am. Otherwise, increasing clouds, with a low around 35. East wind around 6 mph.

    Low: 35 °F

    Areas Frost

  • Wednesday

    Wednesday: Areas of frost before 10am. Otherwise, mostly sunny, with a high near 49. Light east wind.

    High: 49 °F

    Areas Frost
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Areas of frost after midnight. Otherwise, mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Partly Cloudy
    then Areas
    Frost

  • New Year's Day

    New Year's Day: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 46. Light east northeast wind. Chance of precipitation is 60%.

    High: 46 °F

    Slight Chance
    Rain then
    Rain Likely

  • Thursday Night

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

    Low: 41 °F

    Rain

  • Friday

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

    High: 50 °F

    Rain

  • Friday Night

    Friday Night: Rain. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Rain

  • Saturday

    Saturday: Rain. Mostly cloudy, with a high near 51.

    High: 51 °F

    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 48. East wind around 8 mph.
Tonight
Areas of frost before 3am, then areas of frost after 4am. Otherwise, increasing clouds, with a low around 35. East wind around 6 mph.
Wednesday
Areas of frost before 10am. Otherwise, mostly sunny, with a high near 49. Light east wind.
Wednesday Night
Areas of frost after midnight. Otherwise, mostly cloudy, with a low around 35. Calm wind.
New Year's Day
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 46. Light east northeast wind. Chance of precipitation is 60%.
Thursday Night
Rain. Low around 41. Chance of precipitation is 80%.
Friday
Rain. High near 50. Chance of precipitation is 80%.
Friday Night
Rain. Mostly cloudy, with a low around 42.
Saturday
Rain. Mostly cloudy, with a high near 51.
Saturday Night
Rain. Mostly cloudy, with a low around 43.
Sunday
Rain likely. Mostly cloudy, with a high near 51.
Sunday Night
Rain likely. Mostly cloudy, with a low around 41.
Monday
A chance of rain. Mostly cloudy, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland OR
 45.53°N 122.67°W (Elev. 200 ft)
Last Update:
2:45 pm PST Dec 30, 2025
Forecast Valid:
2pm PST Dec 30, 2025-6pm PST Jan 5, 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