Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

51°F

11°C

Humidity 28%
Wind Speed SW 8 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 20 Apr 04:00 AM PDT
Extended Forecast for

15 Miles S Tracy CA

  • Today

    Today: A 40 percent chance of rain, mainly after 3pm.  Mostly sunny, with a high near 68. South southwest wind 8 to 11 mph, with gusts as high as 23 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Sunny then
    Chance Rain

  • Tonight

    Tonight: Rain likely and possibly a thunderstorm, then rain after midnight.  Low around 47. Southwest wind 7 to 11 mph becoming south southeast in the evening. Winds could gust as high as 22 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Rain

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am.  High near 56. South wind 7 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm.  Mostly cloudy, with a low around 43. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers
    Likely then
    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain.  Partly sunny, with a high near 58. Southwest wind around 7 mph becoming west northwest in the afternoon.

    High: 58 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of rain, mainly after 3pm. Mostly sunny, with a high near 68. South southwest wind 8 to 11 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely and possibly a thunderstorm, then rain after midnight. Low around 47. Southwest wind 7 to 11 mph becoming south southeast in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. High near 56. South wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm. Mostly cloudy, with a low around 43. Southwest wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 58. Southwest wind around 7 mph becoming west northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 64.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles S Tracy CA
 37.52°N 121.46°W (Elev. 1969 ft)
2:01 am PDT Apr 20, 2026
5am PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
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Additional Resources

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