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

MERLIN (MLFO3)

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

NA

39°F

4°C

Humidity 97%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 24 Dec 07:58 PM PST
Extended Forecast for

5 Miles S Hugo OR

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

    Tonight: Rain.  Low around 38. Calm wind becoming east southeast around 5 mph after midnight.  Chance of precipitation is 80%.

    Low: 38 °F

    Chance Rain
    then Rain

  • Christmas Day

    Christmas Day: Rain likely, mainly between 10am and 3pm.  Snow level 4200 feet. Partly sunny, with a high near 47. South southeast wind 7 to 11 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely.  Snow level 3800 feet. Mostly cloudy, with a low around 38. South southeast wind around 7 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Rain Likely

  • Friday

    Friday: Rain.  Snow level 3600 feet. High near 44. Southeast wind 5 to 7 mph becoming calm  in the afternoon.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 10pm.  Snow level 3100 feet. Mostly cloudy, with a low around 34. Calm wind.  Chance of precipitation is 70%.

    Low: 34 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 10am.  Snow level 2600 feet. Partly sunny, with a high near 42.

    High: 42 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Sunday Night

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

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain. Low around 38. Calm wind becoming east southeast around 5 mph after midnight. Chance of precipitation is 80%.
Christmas Day
Rain likely, mainly between 10am and 3pm. Snow level 4200 feet. Partly sunny, with a high near 47. South southeast wind 7 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely. Snow level 3800 feet. Mostly cloudy, with a low around 38. South southeast wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain. Snow level 3600 feet. High near 44. Southeast wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain likely, mainly before 10pm. Snow level 3100 feet. Mostly cloudy, with a low around 34. Calm wind. Chance of precipitation is 70%.
Saturday
A 20 percent chance of rain before 10am. Snow level 2600 feet. Partly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Sunny, with a high near 50.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Hugo OR
 42.52°N 123.38°W (Elev. 1168 ft)
5:21 pm PST Dec 24, 2025
9pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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