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

65°F

18°C

Humidity 52%
Wind Speed SSW 11 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 17 Jun 11:00 PM PDT
Extended Forecast for

15 Miles S Tracy CA

  • Overnight

    Overnight: Mostly clear, with a low around 63. South wind 3 to 5 mph.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming northeast 5 to 8 mph in the afternoon.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 59. West wind 5 to 7 mph becoming light and variable after midnight.

    Low: 59 °F

    Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 79. Light and variable wind becoming north 5 to 8 mph in the afternoon.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. North northwest wind 5 to 9 mph becoming west after midnight.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 66.

    Low: 66 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 63. South wind 3 to 5 mph.
Thursday
Sunny, with a high near 84. Calm wind becoming northeast 5 to 8 mph in the afternoon.
Thursday Night
Clear, with a low around 59. West wind 5 to 7 mph becoming light and variable after midnight.
Juneteenth
Sunny, with a high near 79. Light and variable wind becoming north 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 57. North northwest wind 5 to 9 mph becoming west after midnight.
Saturday
Sunny, with a high near 79.
Saturday Night
Clear, with a low around 59.
Sunday
Sunny, with a high near 85.
Sunday Night
Clear, with a low around 66.
Monday
Sunny, with a high near 89.
Monday Night
Clear, with a low around 70.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Clear, with a low around 72.
Wednesday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles S Tracy CA
 37.52°N 121.43°W (Elev. 1929 ft)
Last Update:
11:31 pm PDT Jun 17, 2026
Forecast Valid:
12am PDT Jun 18, 2026-6pm PDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation