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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

56°F

13°C

Humidity 80%
Wind Speed S 16 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 18 Jun 06:00 AM PDT
Extended Forecast for

17 Miles SSE Tracy CA

  • Today

    Today: Sunny, with a high near 85. Light and variable wind becoming north northeast 5 to 7 mph in the morning.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. North wind 5 to 9 mph becoming light north northeast after midnight.

    Low: 58 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 81. North wind 3 to 7 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 56. West northwest wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Light and variable wind becoming north 5 to 8 mph in the morning.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 85. Light and variable wind becoming north northeast 5 to 7 mph in the morning.
Tonight
Mostly clear, with a low around 58. North wind 5 to 9 mph becoming light north northeast after midnight.
Juneteenth
Sunny, with a high near 81. North wind 3 to 7 mph.
Friday Night
Clear, with a low around 56. West northwest wind 5 to 11 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 80. Light and variable wind becoming north 5 to 8 mph in the morning.
Saturday Night
Clear, with a low around 57.
Sunday
Sunny, with a high near 85.
Sunday Night
Clear, with a low around 60.
Monday
Sunny, with a high near 90.
Monday Night
Clear, with a low around 64.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Clear, with a low around 66.
Wednesday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Tracy CA
 37.52°N 121.28°W (Elev. 1243 ft)
Last Update:
2:00 am PDT Jun 18, 2026
Forecast Valid:
6am PDT Jun 18, 2026-6pm PDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation