National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Current conditions at

MERLIN (MLFO3)

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

NA

38°F

3°C

Humidity 100%
Wind Speed WNW 1 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 23 Dec 11:58 PM PST
Extended Forecast for

13 Miles ENE Agness OR

Wind Advisory until December 24, 01:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until December 24, 01:00pm

    NOW until 1:00pm Wed

    Wind Advisory

  • Overnight

    Low: 34 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Rain and snow likely before 1pm, then a chance of rain and snow after 5pm. Snow level 5300 feet lowering to 4300 feet. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 34 by 10am. Windy, with a south wind 26 to 36 mph decreasing to 16 to 26 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 43 °F⇓

    Rain/Snow
    Likely and
    Windy then
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all rain after 1am. Snow level 4700 feet rising to 5200 feet after midnight. Low around 36. South southeast wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow
    then Rain

  • Christmas Day

    Christmas Day: Rain and snow, becoming all snow after 10am. High near 38. Windy, with a south southeast wind 26 to 31 mph, with gusts as high as 49 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 38 °F

    Windy.
    Rain/Snow
    then Snow

  • Thursday Night

    Thursday Night: Snow. Low around 35. Breezy, with a south wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 35 °F

    Snow and
    Breezy

  • Friday

    Friday: Snow. High near 36. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 32. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Snow Likely
    then Slight
    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Overnight
Rain. Snow level 7200 feet. Low around 34. Breezy, with a south southeast wind 15 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain and snow likely before 1pm, then a chance of rain and snow after 5pm. Snow level 5300 feet lowering to 4300 feet. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 34 by 10am. Windy, with a south wind 26 to 36 mph decreasing to 16 to 26 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow, becoming all rain after 1am. Snow level 4700 feet rising to 5200 feet after midnight. Low around 36. South southeast wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Christmas Day
Rain and snow, becoming all snow after 10am. High near 38. Windy, with a south southeast wind 26 to 31 mph, with gusts as high as 49 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Snow. Low around 35. Breezy, with a south wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday
Snow. High near 36. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 32. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Sunny, with a high near 45.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ENE Agness OR
 42.58°N 123.82°W (Elev. 4285 ft)
Last Update:
11:41 pm PST Dec 23, 2025
Forecast Valid:
12am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation