Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

36°F

2°C

Humidity 100%
Wind Speed ENE 7 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill30°F (-1°C)
Last update 08 Dec 01:00 AM PST
Extended Forecast for

16 Miles SSE Tracy CA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 46. Northwest wind around 5 mph.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 51. North northwest wind around 7 mph.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. West northwest wind around 6 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54. North wind around 7 mph.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. West northwest wind around 6 mph.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 46. Northwest wind around 5 mph.
Monday
Sunny, with a high near 51. North northwest wind around 7 mph.
Monday Night
Mostly clear, with a low around 47. West northwest wind around 6 mph.
Tuesday
Sunny, with a high near 54. North wind around 7 mph.
Tuesday Night
Mostly clear, with a low around 48. West northwest wind around 6 mph.
Wednesday
Sunny, with a high near 56.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SSE Tracy CA
 37.51°N 121.37°W (Elev. 3127 ft)
1:20 am PST Dec 8, 2025
1am PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database