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-Troutdale Airport (KTTD)

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

Clear

38°F

3°C

Humidity 64%
Wind Speed E 26 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 30 Dec 05:53 AM PST
Extended Forecast for

4 Miles N Troutdale OR

  • Today

    Today: Sunny, with a high near 47. Breezy, with an east wind 14 to 17 mph, with gusts as high as 30 mph.

    High: 47 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 36. East wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 48. East wind 8 to 10 mph.

    High: 48 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37. East wind around 7 mph.

    Low: 37 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Rain likely, mainly after 4pm. Cloudy, with a high near 46. East wind around 7 mph. Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely

  • Thursday Night

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

    Low: 42 °F

    Rain

  • Friday

    Friday: Showers. High near 49. Chance of precipitation is 80%.

    High: 49 °F

    Showers

  • Friday Night

    Friday Night: Showers. Cloudy, with a low around 43.

    Low: 43 °F

    Showers

  • Saturday

    Saturday: Showers. Cloudy, with a high near 49.

    High: 49 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 47. Breezy, with an east wind 14 to 17 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 36. East wind 10 to 13 mph, with gusts as high as 22 mph.
Wednesday
Partly sunny, with a high near 48. East wind 8 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 37. East wind around 7 mph.
New Year's Day
Rain likely, mainly after 4pm. Cloudy, with a high near 46. East wind around 7 mph. Chance of precipitation is 60%.
Thursday Night
Rain. Low around 42. Chance of precipitation is 80%.
Friday
Showers. High near 49. Chance of precipitation is 80%.
Friday Night
Showers. Cloudy, with a low around 43.
Saturday
Showers. Cloudy, with a high near 49.
Saturday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 42.
Sunday
A chance of showers. Mostly cloudy, with a high near 50.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 40.
Monday
A chance of showers. Mostly cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Troutdale OR
 45.61°N 122.41°W (Elev. 200 ft)
Last Update:
5:45 am PST Dec 30, 2025
Forecast Valid:
6am PST Dec 30, 2025-6pm PST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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