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

Palo Alto Airport (KPAO)

Lat: 37.46667°NLon: 122.11667°WElev: 7.0ft.

Mostly Cloudy

61°F

16°C

Humidity 72%
Wind Speed SSE 8 MPH
Barometer 29.61 in (1002.71 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 24 Dec 04:47 PM PST
Extended Forecast for

Fremont CA

Flood Watch December 24, 05:52pm until December 26, 10:00pm
Wind Advisory December 24, 08:00pm until December 25, 10:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
  •  
    Flood Watch December 24, 05:52pm until December 26, 10:00pm

    NOW until 10:00pm Fri

    Flood Watch

  • This Afternoon

    High: 58 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 52. Breezy, with a south southeast wind 21 to 25 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Severe
    Thunderstorms
    and Breezy

  • Christmas Day

    Christmas Day: Showers and possibly a thunderstorm. Some of the storms could be severe. High near 58. South wind 15 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 58 °F

    Severe
    Thunderstorms

  • Thursday Night

    Thursday Night: Showers before 7pm, then showers and possibly a thunderstorm between 7pm and 10pm, then showers likely after 10pm. Some of the storms could be severe. Low around 48. Breezy, with a south wind 20 to 25 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Severe
    Thunderstorms
    and Breezy
    then Showers
    Likely

  • Friday

    Friday: Showers. High near 57. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly before 4am. Mostly cloudy, with a low around 43. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 10am. Partly sunny, with a high near 54.

    High: 54 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Some of the storms could be severe. Steady temperature around 58. South wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 52. Breezy, with a south southeast wind 21 to 25 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Christmas Day
Showers and possibly a thunderstorm. Some of the storms could be severe. High near 58. South wind 15 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers before 7pm, then showers and possibly a thunderstorm between 7pm and 10pm, then showers likely after 10pm. Some of the storms could be severe. Low around 48. Breezy, with a south wind 20 to 25 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Showers. High near 57. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 50 percent chance of showers, mainly before 4am. Mostly cloudy, with a low around 43. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of showers before 10am. Partly sunny, with a high near 54.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Patchy frost before 7am. Otherwise, sunny, with a high near 54.
Sunday Night
Patchy frost after 2am. Otherwise, mostly clear, with a low around 36.
Monday
Areas of frost. Otherwise, sunny, with a high near 57.
Monday Night
Patchy frost. Otherwise, mostly clear, with a low around 37.
Tuesday
Patchy frost. Otherwise, sunny, with a high near 58.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fremont CA
 37.52°N 121.97°W (Elev. 36 ft)
Last Update:
4:56 pm PST Dec 24, 2025
Forecast Valid:
5pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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Chance of Precipitation