Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

85°F

29°C

Humidity 17%
Wind Speed S 8 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Heat Index82°F (28°C)
Last update 11 Aug 10:00 AM PDT
Extended Forecast for

13 Miles ENE Mount Hamilton CA

  • Today

    Today: Patchy smoke before noon. Sunny, with a high near 91. South wind 5 to 7 mph.

    High: 91 °F

    Patchy Smoke
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. West southwest wind 3 to 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy smoke between noon and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 85. Light and variable wind becoming south southeast 5 to 7 mph in the morning.

    High: 85 °F

    Patchy Smoke

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. Southwest wind around 6 mph.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77. Southwest wind around 7 mph.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Patchy smoke before noon. Sunny, with a high near 91. South wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 62. West southwest wind 3 to 5 mph.
Wednesday
Patchy smoke between noon and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 85. Light and variable wind becoming south southeast 5 to 7 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 55. Southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 77. Southwest wind around 7 mph.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 79.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ENE Mount Hamilton CA
 37.43°N 121.43°W (Elev. 2398 ft)
10:41 am PDT Aug 11, 2026
10am PDT Aug 11, 2026-6pm PDT Aug 17, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database