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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Airport (KPDX)

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

Overcast

45°F

7°C

Humidity 87%
Wind Speed W 6 MPH
Barometer 29.29 in (991.87 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 24 Dec 05:30 AM PST
Extended Forecast for

Milwaukie ORSimilar City Names

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

  • Overnight

    Overnight: Rain. Steady temperature around 46. North northeast wind around 8 mph. Chance of precipitation is 80%.

    Low: 46 °F

    Rain

  • Wednesday

    Wednesday: Rain, mainly before 10am. High near 53. Windy, with a north wind 7 to 12 mph becoming south southwest 18 to 23 mph in the morning. Winds could gust as high as 50 mph. Chance of precipitation is 90%.

    High: 53 °F

    Rain and
    Breezy then
    Chance Rain
    and Windy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after 4am. Increasing clouds, with a low around 40. Northeast wind 3 to 6 mph.

    Low: 40 °F

    Mostly Clear
    then 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 70%.

    High: 52 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 39. Light east wind.

    Low: 39 °F

    Chance Rain

  • Friday

    Friday: Showers likely. Mostly cloudy, with a high near 47. Chance of precipitation is 70%.

    High: 47 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers. Snow level 2200 feet. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Patchy fog before 1am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 34.

    Low: 34 °F

    Patchy Fog

Detailed Forecast

Overnight
Rain. Steady temperature around 46. North northeast wind around 8 mph. Chance of precipitation is 80%.
Wednesday
Rain, mainly before 10am. High near 53. Windy, with a north wind 7 to 12 mph becoming south southwest 18 to 23 mph in the morning. Winds could gust as high as 50 mph. Chance of precipitation is 90%.
Wednesday Night
A 30 percent chance of rain, mainly after 4am. Increasing clouds, with a low around 40. Northeast wind 3 to 6 mph.
Christmas Day
Rain likely, mainly after 10am. Mostly cloudy, with a high near 52. East wind around 7 mph. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39. Light east wind.
Friday
Showers likely. Mostly cloudy, with a high near 47. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers. Snow level 2200 feet. Mostly cloudy, with a low around 38.
Saturday
Mostly cloudy, with a high near 47.
Saturday Night
Patchy fog before 1am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 34.
Sunday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 49.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Milwaukie ORSimilar City Names
 45.44°N 122.65°W (Elev. 197 ft)
Last Update:
5:41 am PST Dec 24, 2025
Forecast Valid:
5am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation