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

33°F

1°C

Humidity 100%
Wind Speed ENE 5 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill28°F (-2°C)
Last update 26 Dec 01:13 AM PST
Extended Forecast for

6 Miles SSE Cottage Grove OR

  • Overnight

    Overnight: A 30 percent chance of rain.  Mostly cloudy, with a steady temperature around 39. Light south southeast wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance Rain

  • Friday

    Friday: Showers.  High near 46. South wind around 6 mph becoming west in the afternoon.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers, mainly before midnight.  Snow level 2300 feet. Low around 34. Southwest wind 3 to 6 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Showers

  • Saturday

    Saturday: Rain likely, possibly mixed with snow showers before 10am, then a chance of rain showers.  Snow level 2100 feet. Mostly cloudy, with a high near 42. Calm wind.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    Likely then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Patchy fog between midnight and 1am. Widespread frost, mainly between 9pm and 10pm.  Otherwise, mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Frost and
    Patchy Fog
    then Patchy
    Fog

  • Sunday

    Sunday: Widespread frost, mainly before 11am.  Otherwise, mostly sunny, with a high near 45.

    High: 45 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 7pm.  Otherwise, mostly cloudy, with a low around 30.

    Low: 30 °F

    Frost

  • Monday

    Monday: Widespread frost, mainly before 10am.  Otherwise, mostly sunny, with a high near 50.

    High: 50 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of rain. Mostly cloudy, with a steady temperature around 39. Light south southeast wind. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers. High near 46. South wind around 6 mph becoming west in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers, mainly before midnight. Snow level 2300 feet. Low around 34. Southwest wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely, possibly mixed with snow showers before 10am, then a chance of rain showers. Snow level 2100 feet. Mostly cloudy, with a high near 42. Calm wind. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday Night
Patchy fog between midnight and 1am. Widespread frost, mainly between 9pm and 10pm. Otherwise, mostly cloudy, with a low around 28. Calm wind.
Sunday
Widespread frost, mainly before 11am. Otherwise, mostly sunny, with a high near 45.
Sunday Night
Widespread frost, mainly after 7pm. Otherwise, mostly cloudy, with a low around 30.
Monday
Widespread frost, mainly before 10am. Otherwise, mostly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 53.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38.
New Year's Day
Rain. Cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Cottage Grove OR
 43.72°N 123.03°W (Elev. 997 ft)
2:20 am PST Dec 26, 2025
2am PST Dec 26, 2025-6pm PST Jan 1, 2026
 
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Additional Resources

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