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 >

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

Lat: 45.55111°NLon: 122.40889°WElev: 36.0ft.

Overcast

46°F

8°C

Humidity 70%
Wind Speed E 23 MPH
Barometer 29.33 in (993.23 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 24 Dec 03:35 AM PST
Extended Forecast for

3 Miles E Mt Tabor OR

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 45. Breezy, with an east wind around 17 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%.

    Low: 45 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Rain, mainly before 10am.  High near 54. Windy, with an east wind 16 to 25 mph becoming south southwest in the afternoon. Winds could gust as high as 55 mph.  Chance of precipitation is 90%.

    High: 54 °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. East northeast wind 6 to 9 mph.

    Low: 40 °F

    Mostly Clear
    then Chance
    Rain

  • Christmas Day

    Christmas Day: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 51. East wind 8 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%.

    High: 51 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 39. East wind around 6 mph.

    Low: 39 °F

    Chance Rain

  • Friday

    Friday: Showers likely.  Mostly cloudy, with a high near 46. Chance of precipitation is 70%.

    High: 46 °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 46.

    High: 46 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy
    then Patchy
    Fog

Detailed Forecast

Overnight
Rain. Steady temperature around 45. Breezy, with an east wind around 17 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.
Wednesday
Rain, mainly before 10am. High near 54. Windy, with an east wind 16 to 25 mph becoming south southwest in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 90%.
Wednesday Night
A 30 percent chance of rain, mainly after 4am. Increasing clouds, with a low around 40. East northeast wind 6 to 9 mph.
Christmas Day
Rain likely, mainly after 10am. Mostly cloudy, with a high near 51. East wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39. East wind around 6 mph.
Friday
Showers likely. Mostly cloudy, with a high near 46. 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 46.
Saturday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 34.
Sunday
Mostly cloudy, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Mt Tabor OR
 45.5°N 122.54°W (Elev. 289 ft)
3:41 am PST Dec 24, 2025
3am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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