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

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.

Clear

37°F

3°C

Humidity 93%
Wind Speed SE 3 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 27 Dec 05:00 AM PST
Extended Forecast for

Portland ORSimilar City Names

  • Overnight

    Overnight: A 30 percent chance of showers. Snow level 1600 feet. Mostly cloudy, with a low around 37. West southwest wind around 6 mph.

    Low: 37 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 9am. Snow level 1600 feet. Mostly cloudy, with a high near 46. West southwest wind 3 to 6 mph.

    High: 46 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 2am. Otherwise, mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy
    then Patchy
    Frost

  • Sunday

    Sunday: Mostly cloudy, with a high near 44. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 44 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Areas of frost after midnight. Otherwise, mostly cloudy, with a low around 34. Northeast wind around 5 mph.

    Low: 34 °F

    Mostly Cloudy
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 9am. Otherwise, partly sunny, with a high near 47.

    High: 47 °F

    Areas Frost
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Areas of frost before 9am. Otherwise, partly sunny, with a high near 47.

    High: 47 °F

    Areas Frost
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Areas of frost between midnight and 4am. Otherwise, mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy
    then Areas
    Frost

Detailed Forecast

Overnight
A 30 percent chance of showers. Snow level 1600 feet. Mostly cloudy, with a low around 37. West southwest wind around 6 mph.
Saturday
A 30 percent chance of showers, mainly before 9am. Snow level 1600 feet. Mostly cloudy, with a high near 46. West southwest wind 3 to 6 mph.
Saturday Night
Patchy frost after 2am. Otherwise, mostly cloudy, with a low around 35. Calm wind.
Sunday
Mostly cloudy, with a high near 44. Calm wind becoming north northeast around 5 mph in the afternoon.
Sunday Night
Areas of frost after midnight. Otherwise, mostly cloudy, with a low around 34. Northeast wind around 5 mph.
Monday
Areas of frost before 9am. Otherwise, partly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Areas of frost before 9am. Otherwise, partly sunny, with a high near 47.
Tuesday Night
Areas of frost between midnight and 4am. Otherwise, mostly cloudy, with a low around 34.
Wednesday
Areas of frost between 7am and 10am. Otherwise, partly sunny, with a high near 47.
Wednesday Night
A slight chance of rain. Increasing clouds, with a low around 37.
New Year's Day
A chance of rain. Cloudy, with a high near 48.
Thursday Night
Rain likely. Cloudy, with a low around 40.
Friday
Rain likely. Mostly cloudy, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland ORSimilar City Names
 45.53°N 122.67°W (Elev. 200 ft)
Last Update:
4:41 am PST Dec 27, 2025
Forecast Valid:
5am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
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