Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

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

Clear

34°F

1°C

Humidity 100%
Wind Speed WNW 4 MPH
Barometer 30.54 in (1034.2 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 29 Dec 02:00 AM PST
Extended Forecast for

3 Miles NNW Lake Oswego OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 35. Northeast wind around 6 mph.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 44. Northeast wind around 7 mph.

    High: 44 °F

    Partly Sunny

  • Monday Night

    Monday Night: Areas of frost before 4am, then areas of frost after 5am.  Otherwise, partly cloudy, with a low around 35. Northeast wind around 7 mph.

    Low: 35 °F

    Areas Frost

  • Tuesday

    Tuesday: Areas of frost between 8am and 10am.  Otherwise, sunny, with a high near 46. East northeast wind around 7 mph.

    High: 46 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Widespread frost, mainly after 3am.  Otherwise, mostly clear, with a low around 33. East northeast wind 3 to 5 mph.

    Low: 33 °F

    Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 8am.  Otherwise, mostly sunny, with a high near 45.

    High: 45 °F

    Frost then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 10 percent chance of rain after 4am.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • New Year's Day

    New Year's Day: A chance of rain, mainly after 10am.  Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 10pm.  Cloudy, with a low around 40.

    Low: 40 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 35. Northeast wind around 6 mph.
Monday
Partly sunny, with a high near 44. Northeast wind around 7 mph.
Monday Night
Areas of frost before 4am, then areas of frost after 5am. Otherwise, partly cloudy, with a low around 35. Northeast wind around 7 mph.
Tuesday
Areas of frost between 8am and 10am. Otherwise, sunny, with a high near 46. East northeast wind around 7 mph.
Tuesday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 33. East northeast wind 3 to 5 mph.
Wednesday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 45.
Wednesday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 35.
New Year's Day
A chance of rain, mainly after 10am. Mostly cloudy, with a high near 43.
Thursday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 40.
Friday
Rain likely. Mostly cloudy, with a high near 49.
Friday Night
Rain likely. Mostly cloudy, with a low around 39.
Saturday
Rain likely. Mostly cloudy, with a high near 47.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 40.
Sunday
A chance of showers. Mostly cloudy, with a high near 49.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Lake Oswego OR
 45.46°N 122.71°W (Elev. 456 ft)
2:01 am PST Dec 29, 2025
2am PST Dec 29, 2025-6pm PST Jan 4, 2026
 
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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