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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Airport (KPDX)

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

Overcast

44°F

7°C

Humidity 88%
Wind Speed WNW 9 MPH
Barometer 29.49 in (998.65 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 23 Dec 11:53 PM PST
Extended Forecast for

Portland OR

Wind Advisory December 24, 07:00am until December 24, 04:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Rain. Low around 43. Breezy, with an east northeast wind 9 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: A 50 percent chance of rain between 3pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 54. Very windy, with an east southeast wind 17 to 22 mph becoming south 26 to 31 mph in the afternoon. Winds could gust as high as 49 mph.

    High: 54 °F

    Chance Rain
    and Very
    Windy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after 4am. Increasing clouds, with a low around 41. Northeast wind 3 to 5 mph.

    Low: 41 °F

    Chance Rain

  • Christmas Day

    Christmas Day: Rain likely, mainly after 10am. Mostly cloudy, with a high near 52. East wind around 7 mph. Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 39. Southeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 39 °F

    Rain Likely

  • Friday

    Friday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely

  • Friday Night

    Friday Night: A 50 percent chance of rain. Snow level 2200 feet. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

  • Saturday Night

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

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Rain. Low around 43. Breezy, with an east northeast wind 9 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 50 percent chance of rain between 3pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 54. Very windy, with an east southeast wind 17 to 22 mph becoming south 26 to 31 mph in the afternoon. Winds could gust as high as 49 mph.
Wednesday Night
A 30 percent chance of rain, mainly after 4am. Increasing clouds, with a low around 41. Northeast wind 3 to 5 mph.
Christmas Day
Rain likely, mainly after 10am. Mostly cloudy, with a high near 52. East wind around 7 mph. Chance of precipitation is 60%.
Thursday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 39. Southeast wind around 5 mph. Chance of precipitation is 60%.
Friday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of rain. Snow level 2200 feet. Mostly cloudy, with a low around 38.
Saturday
Mostly cloudy, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Mostly cloudy, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 49.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, 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:
11:41 pm PST Dec 23, 2025
Forecast Valid:
12am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation