National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

58°F

14°C

Humidity 34%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 19 Apr 03:00 AM PDT
Extended Forecast for

16 Miles SSE Tracy CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 55. South wind around 6 mph.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 68. South wind 6 to 10 mph.

    High: 68 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. South wind 8 to 11 mph.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 11am. Mostly sunny, with a high near 65. South wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 65 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Rain, mainly after 11pm. Low around 48. South southeast wind 8 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    Low: 48 °F

    Rain

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 52. Chance of precipitation is 100%.

    High: 52 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 8pm, then rain, mainly between 8pm and 11pm. Low around 45. Chance of precipitation is 80%.

    Low: 45 °F

    Showers then
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain. Partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 55. South wind around 6 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 68. South wind 6 to 10 mph.
Sunday Night
Partly cloudy, with a low around 48. South wind 8 to 11 mph.
Monday
A 20 percent chance of rain after 11am. Mostly sunny, with a high near 65. South wind 9 to 15 mph, with gusts as high as 24 mph.
Monday Night
Rain, mainly after 11pm. Low around 48. South southeast wind 8 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 52. Chance of precipitation is 100%.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then rain, mainly between 8pm and 11pm. Low around 45. Chance of precipitation is 80%.
Wednesday
A chance of rain. Partly sunny, with a high near 53.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 50.
Saturday
Mostly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SSE Tracy CA
 37.51°N 121.37°W (Elev. 3127 ft)
Last Update:
2:01 am PDT Apr 19, 2026
Forecast Valid:
3am PDT Apr 19, 2026-6pm PDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation