Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

66°F

19°C

Humidity 62%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 16 Aug 01:00 AM PDT
Extended Forecast for

14 Miles NE Mount Hamilton CA

  • Overnight

    Overnight: Clear, with a low around 56. Light south southwest wind.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Light and variable wind becoming east northeast 5 to 8 mph in the morning.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 60. West southwest wind 3 to 5 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 84. Southwest wind 5 to 7 mph becoming north northeast in the morning.

    High: 84 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. West southwest wind around 6 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 56. Light south southwest wind.
Sunday
Sunny, with a high near 84. Light and variable wind becoming east northeast 5 to 8 mph in the morning.
Sunday Night
Increasing clouds, with a low around 60. West southwest wind 3 to 5 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 84. Southwest wind 5 to 7 mph becoming north northeast in the morning.
Monday Night
Partly cloudy, with a low around 58. West southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 81.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NE Mount Hamilton CA
 37.49°N 121.48°W (Elev. 2799 ft)
11:31 pm PDT Aug 15, 2026
1am PDT Aug 16, 2026-6pm PDT Aug 22, 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