Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Current conditions at

Livermore, Livermore Municipal Airport (KLVK)

Lat: 37.69278°NLon: 121.81444°WElev: 397.0ft.

Rain

49°F

9°C

Humidity 89%
Wind Speed ENE 12 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 46°F (8°C)
Visibility 7.00 mi
Wind Chill44°F (7°C)
Last update 01 Jan 01:53 AM PST
Extended Forecast for

4 Miles E Union City CA

Coastal Flood Advisory January 1, 02:04am until January 4, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 1, 02:04am until January 4, 02:00pm

    NOW until 2:00pm Sun

    Coastal Flood Advisory

  • Overnight

    Low: 52 °F

    Rain

  • New Year's Day

    New Year's Day: Showers, with thunderstorms also possible after 10am.  High near 57. South wind 13 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely before 10pm.  Mostly cloudy, with a low around 49. South wind 10 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: Showers likely, mainly after 4pm.  Mostly cloudy, with a high near 58. South southeast wind around 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers.  Low around 54. Breezy, with a south southeast wind 18 to 22 mph, with gusts as high as 39 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Showers and
    Breezy

  • Saturday

    Saturday: Showers.  High near 57. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Showers

  • Sunday

    Sunday: Showers.  Cloudy, with a high near 55.

    High: 55 °F

    Showers

Detailed Forecast

Overnight
Rain. Steady temperature around 52. Northeast wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
New Year's Day
Showers, with thunderstorms also possible after 10am. High near 57. South wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely before 10pm. Mostly cloudy, with a low around 49. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 58. South southeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers. Low around 54. Breezy, with a south southeast wind 18 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers. High near 57. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 52. Chance of precipitation is 90%.
Sunday
Showers. Cloudy, with a high near 55.
Sunday Night
Showers. Cloudy, with a low around 49.
Monday
Showers likely. Mostly cloudy, with a high near 53.
Monday Night
Showers likely. Mostly cloudy, with a low around 45.
Tuesday
A chance of showers. Partly sunny, with a high near 53.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 42.
Wednesday
A slight chance of showers. Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Union City CA
 37.6°N 121.93°W (Elev. 161 ft)
1:25 am PST Jan 1, 2026
2am PST Jan 1, 2026-6pm PST Jan 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database