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

GREEN MOUNTAIN (CCRO3)

Lat: 43.72528°NLon: 122.80556°WElev: 3047.0ft.

NA

44°F

7°C

Humidity 64%
Wind Speed ENE 5 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 25 Dec 03:13 PM PST
Extended Forecast for

Cottage Grove OR

  • Christmas Day

    Christmas Day: A 30 percent chance of showers, mainly after 5pm. Partly sunny, with a high near 56. South wind around 6 mph.

    High: 56 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly after midnight. Mostly cloudy, with a low around 37. Light south southeast wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Showers
    Likely

  • Friday

    Friday: Rain. High near 49. South southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Chance Rain
    then Rain

  • Friday Night

    Friday Night: Rain. Snow level 2200 feet. Low around 35. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Rain

  • Saturday

    Saturday: Rain likely before 10am, then a slight chance of showers after 10am. Snow level 2200 feet. Mostly cloudy, with a high near 46. Calm wind. Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Widespread frost after 4am. Otherwise, mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy
    then Frost

  • Sunday

    Sunday: Widespread frost, mainly before 10am. Otherwise, partly sunny, with a high near 47.

    High: 47 °F

    Frost then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

Christmas Day
A 30 percent chance of showers, mainly after 5pm. Partly sunny, with a high near 56. South wind around 6 mph.
Tonight
Showers likely, mainly after midnight. Mostly cloudy, with a low around 37. Light south southeast wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 49. South southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Snow level 2200 feet. Low around 35. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely before 10am, then a slight chance of showers after 10am. Snow level 2200 feet. Mostly cloudy, with a high near 46. Calm wind. Chance of precipitation is 60%.
Saturday Night
Widespread frost after 4am. Otherwise, mostly cloudy, with a low around 29.
Sunday
Widespread frost, mainly before 10am. Otherwise, partly sunny, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cottage Grove OR
 43.81°N 123.06°W (Elev. 600 ft)
Last Update:
2:45 pm PST Dec 25, 2025
Forecast Valid:
3pm PST Dec 25, 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