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

51°F

11°C

Humidity 67%
Wind Speed WNW 1 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 24 Dec 03:58 PM PST
Extended Forecast for

8 Miles ENE 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. Snow level 4700 feet rising to 5300 feet after midnight. Low around 39. Light east wind becoming east southeast 12 to 17 mph in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 80%.

    Low: 39 °F

    Chance Rain
    then Rain

  • Christmas Day

    Christmas Day: Rain and snow likely before 4pm, then a slight chance of rain between 4pm and 5pm, then snow likely, possibly mixed with rain after 5pm. Snow level 4700 feet lowering to 4100 feet in the afternoon . Partly sunny, with a high near 43. South wind 14 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 43 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Rain likely before 10pm, then rain likely, possibly mixed with snow. Snow level 3800 feet. Mostly cloudy, with a low around 37. South southeast wind around 11 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow
    Likely

  • Friday

    Friday: Rain and snow. Snow level 3600 feet. High near 39. South southeast wind 7 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow

  • Friday Night

    Friday Night: Snow likely, possibly mixed with rain before 10pm, then a chance of snow. Mostly cloudy, with a low around 33. Northwest wind around 6 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 10am. Partly sunny, with a high near 38.

    High: 38 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Saturday Night

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

    Low: 29 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain. Snow level 4700 feet rising to 5300 feet after midnight. Low around 39. Light east wind becoming east southeast 12 to 17 mph in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 80%.
Christmas Day
Rain and snow likely before 4pm, then a slight chance of rain between 4pm and 5pm, then snow likely, possibly mixed with rain after 5pm. Snow level 4700 feet lowering to 4100 feet in the afternoon . Partly sunny, with a high near 43. South wind 14 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Rain likely before 10pm, then rain likely, possibly mixed with snow. Snow level 3800 feet. Mostly cloudy, with a low around 37. South southeast wind around 11 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday
Rain and snow. Snow level 3600 feet. High near 39. South southeast wind 7 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
Snow likely, possibly mixed with rain before 10pm, then a chance of snow. Mostly cloudy, with a low around 33. Northwest wind around 6 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
A 20 percent chance of snow before 10am. Partly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Sunny, with a high near 46.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
Sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ENE Hugo OR
 42.62°N 123.26°W (Elev. 3186 ft)
Last Update:
4:26 pm PST Dec 24, 2025
Forecast Valid:
4pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation