Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

73°F

23°C

Humidity 26%
Wind Speed W 4 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 12 Jul 06:00 AM PDT
Extended Forecast for

13 Miles E Mount Hamilton CA

  • Today

    Today: A 20 percent chance of rain before 10am.  Mostly cloudy, with a high near 83. Light and variable wind becoming south around 5 mph.

    High: 83 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. Light west wind.

    Low: 67 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of rain before 11am.  Cloudy through mid morning, then gradual clearing, with a high near 87. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 87 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. West wind around 5 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 66.

    Low: 66 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 83. Light and variable wind becoming south around 5 mph.
Tonight
Mostly cloudy, with a low around 67. Light west wind.
Monday
A 20 percent chance of rain before 11am. Cloudy through mid morning, then gradual clearing, with a high near 87. Calm wind becoming west northwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 67. West wind around 5 mph.
Tuesday
Sunny, with a high near 90. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tuesday Night
Clear, with a low around 66.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles E Mount Hamilton CA
 37.32°N 121.41°W (Elev. 3681 ft)
2:00 am PDT Jul 12, 2026
6am PDT Jul 12, 2026-6pm PDT Jul 18, 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