Another Round of Heavy Rain and Mountain Snow in California; Snow in the Great Lakes and Northeast

Another round of heavy rainfall will renew concerns for additional flash flooding and landslides in southern California around burn scars and coastal mountain ranges. A low pressure system is bringing enhanced snowfall downwind from the lower Great Lakes into the Northeast mountain ranges. Above average temperatures will challenge or break daily record high temperatures across the southern Plains. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

51°F

11°C

Humidity 97%
Wind Speed S 8 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 16 Nov 10:00 PM PST
Extended Forecast for

15 Miles SSW Tracy CA

  • Tonight

    Tonight: Showers.  Low around 39. South wind 11 to 15 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Showers
    Likely then
    Showers

  • Monday

    Monday: Showers likely, mainly between 8am and 11am.  Partly sunny, with a high near 48. West southwest wind 10 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before 10pm.  Mostly cloudy, with a low around 34. South wind 3 to 6 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. Northwest wind 5 to 7 mph.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34. Light south southwest wind.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 10pm.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly between 10am and 4pm.  Mostly cloudy, with a high near 50.

    High: 50 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 10pm.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers. Low around 39. South wind 11 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Showers likely, mainly between 8am and 11am. Partly sunny, with a high near 48. West southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A 30 percent chance of showers before 10pm. Mostly cloudy, with a low around 34. South wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Mostly sunny, with a high near 50. Northwest wind 5 to 7 mph.
Tuesday Night
Mostly clear, with a low around 34. Light south southwest wind.
Wednesday
Mostly sunny, with a high near 52.
Wednesday Night
A 30 percent chance of showers after 10pm. Mostly cloudy, with a low around 38.
Thursday
Showers likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 50.
Thursday Night
A chance of showers, mainly before 10pm. Mostly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SSW Tracy CA
 37.55°N 121.52°W (Elev. 2635 ft)
1:20 pm PST Nov 16, 2025
10pm PST Nov 16, 2025-6pm PST Nov 23, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database