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

MERLIN (MLFO3)

Lat: 42.49975°NLon: 123.36917°WElev: 1144.0ft.

NA

42°F

6°C

Humidity 100%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 25 Dec 05:58 AM PST
Extended Forecast for

9 Miles ENE Azalea OR

Wind Advisory December 25, 09:00am until December 25, 01:00pm
Click here for hazard details and duration
Wind Advisory

  • Christmas Day

    Christmas Day: Showers likely before 4pm. Snow level 5400 feet lowering to 4100 feet in the afternoon . Partly sunny, with a high near 48. South southeast wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Showers
    Likely

  • Tonight

    Tonight: Rain showers likely before 5am, then rain likely, possibly mixed with snow showers. Snow level 3800 feet. Mostly cloudy, with a low around 35. South southeast wind 7 to 9 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 35 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Friday

    Friday: Rain, possibly mixed with snow showers before 1pm, then rain. Snow level 3600 feet. High near 43. South southwest wind 7 to 9 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain before 10pm, then rain likely, possibly mixed with snow. Snow level 2700 feet. Low around 32. Light west northwest wind. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of rain and snow before 1pm, then a chance of rain. Snow level 2500 feet. Mostly cloudy, with a high near 40. Light north northwest wind. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 40 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Christmas Day
Showers likely before 4pm. Snow level 5400 feet lowering to 4100 feet in the afternoon . Partly sunny, with a high near 48. South southeast wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain showers likely before 5am, then rain likely, possibly mixed with snow showers. Snow level 3800 feet. Mostly cloudy, with a low around 35. South southeast wind 7 to 9 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow showers before 1pm, then rain. Snow level 3600 feet. High near 43. South southwest wind 7 to 9 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
Rain before 10pm, then rain likely, possibly mixed with snow. Snow level 2700 feet. Low around 32. Light west northwest wind. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow before 1pm, then a chance of rain. Snow level 2500 feet. Mostly cloudy, with a high near 40. Light north northwest wind. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Azalea OR
 42.83°N 123.08°W (Elev. 1998 ft)
Last Update:
6:52 am PST Dec 25, 2025
Forecast Valid:
6am PST Dec 25, 2025-6pm PST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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