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 >

Current conditions at

DW7094 Mill Valley (D7094)

Lat: 37.91333°NLon: 122.54833°WElev: 190.0ft.

NA

N/A

Humidity NA
Wind Speed NA NA MPH
Barometer 29.45 in (997.29 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

San Rafael CA

Flood Watch December 24, 02:58am until December 26, 10:00pm
Wind Advisory until December 24, 04:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
  •  
    Flood Watch December 24, 02:58am until December 26, 10:00pm
    Wind Advisory until December 24, 04:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 53 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 5pm. Some of the storms could be severe.  High near 58. Southwest wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Chance
    Showers then
    Severe
    Thunderstorms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 4am, then showers and possibly a thunderstorm, mainly after 4am. Some of the storms could be severe.  Low around 51. South wind 17 to 21 mph, with gusts as high as 45 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 51 °F

    Severe
    Thunderstorms

  • Christmas Day

    Christmas Day: Showers and possibly a thunderstorm before 9am, then showers between 9am and 1pm, then showers and possibly a thunderstorm after 1pm. Some of the storms could be severe.  High near 55. South wind 15 to 18 mph, with gusts as high as 38 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 55 °F

    Severe
    Thunderstorms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 7pm, then showers between 7pm and 10pm, then showers and possibly a thunderstorm after 10pm. Some of the storms could be severe.  Low around 49. South southwest wind 13 to 17 mph, with gusts as high as 32 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Severe
    Thunderstorms

  • Friday

    Friday: Showers, with thunderstorms also possible after 1pm.  High near 56. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm.  Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers, mainly before 10am.  Patchy fog before 10am.  Otherwise, partly sunny, with a high near 55.

    High: 55 °F

    Chance
    Showers and
    Patchy Fog

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Low around 53. Breezy, with a south wind 22 to 25 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 5pm. Some of the storms could be severe. High near 58. Southwest wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms before 4am, then showers and possibly a thunderstorm, mainly after 4am. Some of the storms could be severe. Low around 51. South wind 17 to 21 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Christmas Day
Showers and possibly a thunderstorm before 9am, then showers between 9am and 1pm, then showers and possibly a thunderstorm after 1pm. Some of the storms could be severe. High near 55. South wind 15 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 7pm, then showers between 7pm and 10pm, then showers and possibly a thunderstorm after 10pm. Some of the storms could be severe. Low around 49. South southwest wind 13 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers, with thunderstorms also possible after 1pm. High near 56. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Saturday
A chance of showers, mainly before 10am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 55.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
San Rafael CA
 37.98°N 122.52°W (Elev. 190 ft)
1:25 am PST Dec 24, 2025
2am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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Additional Resources

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