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

BLACK DIAMOND (PIBC1)

Lat: 37.95°NLon: 121.88444°WElev: 1600.0ft.

NA

43°F

6°C

Humidity 100%
Wind Speed NNE 19 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 31 Dec 04:28 PM PST
Extended Forecast for

5 Miles N Discovery Bay CA

  • This Afternoon

    This Afternoon: Rain.  High near 50. East northeast wind around 5 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain

  • Tonight

    Tonight: Rain.  Low around 48. East northeast wind 6 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 48 °F

    Rain

  • New Year's Day

    New Year's Day: Rain, mainly before 11am.  High near 59. Southeast wind 10 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly before 9pm.  Mostly cloudy, with a low around 49. Southeast wind 7 to 9 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly after 4pm.  Mostly cloudy, with a high near 58. Southeast wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 58 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain, mainly after 10pm.  Low around 54. Breezy.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Rain and
    Breezy

  • Saturday

    Saturday: Rain before 10am, then showers and possibly a thunderstorm after 10am.  High near 58. Chance of precipitation is 100%.

    High: 58 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Cloudy, with a low around 52.

    Low: 52 °F

    Showers

  • Sunday

    Sunday: Rain.  Cloudy, with a high near 56.

    High: 56 °F

    Rain

Detailed Forecast

This Afternoon
Rain. High near 50. East northeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Low around 48. East northeast wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
New Year's Day
Rain, mainly before 11am. High near 59. Southeast wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 30 percent chance of rain, mainly before 9pm. Mostly cloudy, with a low around 49. Southeast wind 7 to 9 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 58. Southeast wind 7 to 13 mph, with gusts as high as 21 mph.
Friday Night
Rain, mainly after 10pm. Low around 54. Breezy. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain before 10am, then showers and possibly a thunderstorm after 10am. High near 58. Chance of precipitation is 100%.
Saturday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 52.
Sunday
Rain. Cloudy, with a high near 56.
Sunday Night
Rain. Mostly cloudy, with a low around 48.
Monday
Rain likely. Cloudy, with a high near 54.
Monday Night
Rain likely. Cloudy, with a low around 47.
Tuesday
A chance of rain. Mostly cloudy, with a high near 54.
Tuesday Night
A chance of rain. Partly cloudy, with a low around 43.
Wednesday
A chance of rain. Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Discovery Bay CA
 37.97°N 121.57°W (Elev. 3 ft)
2:14 pm PST Dec 31, 2025
5pm PST Dec 31, 2025-6pm PST Jan 7, 2026
 
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Additional Resources

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