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 >

Current conditions at

Astoria, Astoria Regional Airport (KAST)

Lat: 46.15694°NLon: 123.8825°WElev: 10.0ft.

Clear

43°F

6°C

Humidity 93%
Wind Speed NE 12 MPH
Barometer 29.55 in (1000.68 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 24 Dec 11:20 PM PST
Extended Forecast for

8 Miles NNW Necanicum OR

  • Tonight

    Tonight: A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 38. East wind around 6 mph.

    Low: 38 °F

    Slight Chance
    Rain

  • Christmas Day

    Christmas Day: Rain, mainly after 8am. High near 49. South southeast wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a steady temperature around 43. Southeast wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain Likely

  • Friday

    Friday: Showers. Snow level 3100 feet lowering to 2000 feet in the afternoon . High near 44. South wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Showers

  • Friday Night

    Friday Night: Rain showers before 4am, then a chance of rain and snow showers. Snow level 1800 feet. Low around 38. West northwest wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 38 °F

    Showers then
    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow showers before 10am. Snow level 1600 feet. Mostly cloudy, with a high near 43. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 43 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Saturday Night

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

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 38. East wind around 6 mph.
Christmas Day
Rain, mainly after 8am. High near 49. South southeast wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a steady temperature around 43. Southeast wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers. Snow level 3100 feet lowering to 2000 feet in the afternoon . High near 44. South wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain showers before 4am, then a chance of rain and snow showers. Snow level 1800 feet. Low around 38. West northwest wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow showers before 10am. Snow level 1600 feet. Mostly cloudy, with a high near 43. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Mostly cloudy, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 38.
Wednesday
A chance of showers. Mostly cloudy, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNW Necanicum OR
 46.01°N 123.78°W (Elev. 1207 ft)
Last Update:
10:41 pm PST Dec 24, 2025
Forecast Valid:
11pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation