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 >

Current conditions at

MERLIN (MLFO3)

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

NA

38°F

3°C

Humidity 98%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 24 Dec 08:58 PM PST
Extended Forecast for

6 Miles SSW Powers OR

  • Tonight

    Tonight: Rain, mainly after midnight. Snow level 4600 feet rising to 5200 feet. Low around 39. East southeast wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Chance Rain
    then Rain

  • Christmas Day

    Christmas Day: Rain likely, mainly before 3pm. Snow level 4000 feet. Partly sunny, with a high near 43. Breezy, with a south southeast wind 22 to 28 mph, with gusts as high as 47 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Rain Likely
    and Breezy

  • Thursday Night

    Thursday Night: Rain before 1am, then rain, possibly mixed with snow. Snow level 3800 feet. Low around 39. South wind 18 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain then
    Rain/Snow

  • Friday

    Friday: Rain before 1pm, then rain, possibly mixed with snow. Snow level 3600 feet. High near 42. Breezy, with a south southeast wind 17 to 22 mph becoming west northwest 9 to 14 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 42 °F

    Rain and
    Breezy then
    Rain/Snow

  • Friday Night

    Friday Night: Rain, possibly mixed with snow. Snow level 2900 feet. Low around 35. North northwest wind 6 to 8 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 1pm, then a chance of rain. Snow level 2700 feet. Partly sunny, with a high near 39. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 39 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly 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 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain, mainly after midnight. Snow level 4600 feet rising to 5200 feet. Low around 39. East southeast wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Christmas Day
Rain likely, mainly before 3pm. Snow level 4000 feet. Partly sunny, with a high near 43. Breezy, with a south southeast wind 22 to 28 mph, with gusts as high as 47 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain before 1am, then rain, possibly mixed with snow. Snow level 3800 feet. Low around 39. South wind 18 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
Rain before 1pm, then rain, possibly mixed with snow. Snow level 3600 feet. High near 42. Breezy, with a south southeast wind 17 to 22 mph becoming west northwest 9 to 14 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
Rain, possibly mixed with snow. Snow level 2900 feet. Low around 35. North northwest wind 6 to 8 mph. 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 2700 feet. Partly sunny, with a high near 39. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
A slight chance of rain. Sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Powers OR
 42.8°N 124.1°W (Elev. 2270 ft)
Last Update:
9:41 pm PST Dec 24, 2025
Forecast Valid:
9pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation