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

Heavy Rainfall and Severe Thunderstorms in the Midwest and Ohio Valley Tuesday

Multiple rounds of severe thunderstorms appear likely Tuesday across the Midwest and Ohio Valley, with severe wind gusts in excess of 75 mph as the primary threat. Heavy to excessive rainfall may lead to considerable flash and urban flooding impacts Tuesday across portions of the Ohio Valley. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

79°F

26°C

Humidity 18%
Wind Speed SSW 12 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Heat Index78°F (26°C)
Last update 11 Aug 02:00 AM PDT
Extended Forecast for

9 Miles SW Tracy CA

  • Overnight

    Overnight: Clear, with a low around 70. Calm wind.

    Low: 70 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 68. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 68 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon.

    High: 86 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64. Southwest wind 3 to 8 mph.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 70. Calm wind.
Tuesday
Sunny, with a high near 91. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Increasing clouds, with a low around 68. West southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 64. Southwest wind 3 to 8 mph.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 59.
Monday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW Tracy CA
 37.62°N 121.54°W (Elev. 1604 ft)
Last Update:
2:00 am PDT Aug 11, 2026
Forecast Valid:
3am PDT Aug 11, 2026-6pm PDT Aug 17, 2026
 
Forecast Discussion
 
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Additional Resources

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