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

Areas of Severe Thunderstorms and Excessive Rainfall Friday

Severe thunderstorms capable of large hail and damaging wind gusts appear possible over the central and southern High Plains and eastern Kansas into Missouri Friday afternoon and evening. Rounds of storms Friday ahead of a slow moving frontal boundary will bring locally heavy rainfall and scattered flash flooding potential to the Mid-Mississippi, Ohio, and Tennessee Valleys, and the Appalachians. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

77°F

25°C

Humidity 30%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Heat Index78°F (26°C)
Last update 10 Jul 01:00 AM PDT
Extended Forecast for

19 Miles ENE Mount Hamilton CA

  • Overnight

    Overnight: Clear, with a low around 69. West southwest wind around 5 mph.

    Low: 69 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89. Light and variable wind becoming northeast 5 to 8 mph in the afternoon.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 68. West wind 3 to 7 mph.

    Low: 68 °F

    Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 89. Light and variable wind becoming north northeast 5 to 7 mph in the afternoon.

    High: 89 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 74. North wind 5 to 7 mph becoming light and variable in the evening.

    Low: 74 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 77.

    Low: 77 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain before 11am. Partly sunny, with a high near 89.

    High: 89 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 69. West southwest wind around 5 mph.
Friday
Sunny, with a high near 89. Light and variable wind becoming northeast 5 to 8 mph in the afternoon.
Friday Night
Clear, with a low around 68. West wind 3 to 7 mph.
Saturday
Increasing clouds, with a high near 89. Light and variable wind becoming north northeast 5 to 7 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 74. North wind 5 to 7 mph becoming light and variable in the evening.
Sunday
Partly sunny, with a high near 89.
Sunday Night
Mostly cloudy, with a low around 77.
Monday
A slight chance of rain before 11am. Partly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Clear, with a low around 74.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles ENE Mount Hamilton CA
 37.42°N 121.32°W (Elev. 2201 ft)
Last Update:
11:31 pm PDT Jul 9, 2026
Forecast Valid:
1am PDT Jul 10, 2026-6pm PDT Jul 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation