Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

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

Mist

37°F

3°C

Humidity 100%
Wind Speed N 3 MPH
Barometer 30.59 in (1035.9 mb)
Dewpoint 37°F (3°C)
Visibility 0.25 mi
Last update 28 Dec 05:20 AM PST
Extended Forecast for

2 Miles N Lloyd Center OR

Dense Fog Advisory until December 28, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until December 28, 10:00am

    NOW until 10:00am Sun

    Dense Fog Advisory

  • Overnight

    Low: 35 °F

    Patchy Dense
    Fog

  • Sunday

    Sunday: Patchy dense fog before 10am.  Otherwise, partly sunny, with a high near 44. Calm wind becoming north around 5 mph in the afternoon.

    High: 44 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 11pm.  Otherwise, mostly cloudy, with a low around 35. North wind around 5 mph.

    Low: 35 °F

    Areas Frost

  • Monday

    Monday: Areas of frost before 10am.  Otherwise, partly sunny, with a high near 47. Northeast wind around 6 mph.

    High: 47 °F

    Areas Frost
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. East northeast wind around 6 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Widespread frost, mainly after 5am.  Otherwise, partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy
    then Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 8am.  Otherwise, partly sunny, with a high near 47.

    High: 47 °F

    Frost then
    Partly Sunny

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 35. Calm wind.
Sunday
Patchy dense fog before 10am. Otherwise, partly sunny, with a high near 44. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Areas of frost after 11pm. Otherwise, mostly cloudy, with a low around 35. North wind around 5 mph.
Monday
Areas of frost before 10am. Otherwise, partly sunny, with a high near 47. Northeast wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 34. East northeast wind around 6 mph.
Tuesday
Partly sunny, with a high near 47.
Tuesday Night
Widespread frost, mainly after 5am. Otherwise, partly cloudy, with a low around 33.
Wednesday
Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 36.
New Year's Day
A chance of rain after 10am. Mostly cloudy, with a high near 49.
Thursday Night
Rain likely. Cloudy, with a low around 41.
Friday
Rain likely. Mostly cloudy, with a high near 49.
Friday Night
A chance of showers. Mostly cloudy, with a low around 37.
Saturday
A chance of showers. Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Lloyd Center OR
 45.57°N 122.65°W (Elev. 177 ft)
4:45 am PST Dec 28, 2025
5am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database