Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

80°F

27°C

Humidity 13%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Heat Index78°F (26°C)
Last update 23 Aug 08:00 AM PDT
Extended Forecast for

20 Miles E Mount Hamilton CA

  • Today

    Today: Increasing clouds, with a high near 94. Light and variable wind becoming east 5 to 7 mph in the morning.

    High: 94 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Patchy smoke after 2am. Increasing clouds, with a low around 72. North wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Partly Cloudy
    then Patchy
    Smoke

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 93. Calm wind becoming northeast 5 to 8 mph in the morning.

    High: 93 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. North northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Calm wind becoming north 5 to 9 mph in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 94. Light and variable wind becoming east 5 to 7 mph in the morning.
Tonight
Patchy smoke after 2am. Increasing clouds, with a low around 72. North wind around 5 mph becoming calm in the evening.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 93. Calm wind becoming northeast 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 69. North northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 92. Calm wind becoming north 5 to 9 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles E Mount Hamilton CA
 37.38°N 121.28°W (Elev. 1401 ft)
2:00 am PDT Aug 23, 2026
8am PDT Aug 23, 2026-6pm PDT Aug 29, 2026
 
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Additional Resources

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