Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

80°F

27°C

Humidity 19%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Heat Index79°F (26°C)
Last update 02 Aug 04:00 AM PDT
Extended Forecast for

18 Miles E Mount Hamilton CA

  • Today

    Today: Sunny and hot, with a high near 96. Calm wind becoming east 5 to 7 mph in the morning.

    High: 96 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 78. North northwest wind around 5 mph becoming calm  after midnight.

    Low: 78 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 78. North northwest wind around 5 mph becoming light and variable  in the evening.

    Low: 78 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 75.

    Low: 75 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 96. Calm wind becoming east 5 to 7 mph in the morning.
Tonight
Clear, with a low around 78. North northwest wind around 5 mph becoming calm after midnight.
Monday
Sunny and hot, with a high near 97. Calm wind becoming east 5 to 7 mph in the afternoon.
Monday Night
Clear, with a low around 78. North northwest wind around 5 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 95. Calm wind becoming east 5 to 7 mph in the afternoon.
Tuesday Night
Clear, with a low around 76.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Clear, with a low around 75.
Thursday
Sunny, with a high near 93.
Thursday Night
Clear, with a low around 77.
Friday
Sunny, with a high near 95.
Friday Night
Clear, with a low around 78.
Saturday
Sunny and hot, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles E Mount Hamilton CA
 37.4°N 121.31°W (Elev. 2201 ft)
2:00 am PDT Aug 2, 2026
4am PDT Aug 2, 2026-6pm PDT Aug 8, 2026
 
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Additional Resources

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