Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

77°F

25°C

Humidity 24%
Wind Speed SW 7 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Heat Index77°F (25°C)
Last update 12 Aug 09:00 AM PDT
Extended Forecast for

17 Miles SW Modesto CA

  • Today

    Today: Mostly sunny, with a high near 87. Light and variable wind becoming east 5 to 7 mph in the morning.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy smoke between midnight and 1am. Partly cloudy, with a low around 59. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Mostly Clear
    then Patchy
    Smoke

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 87. Light and variable wind becoming east 5 to 7 mph in the morning.
Tonight
Patchy smoke between midnight and 1am. Partly cloudy, with a low around 59. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 81. Calm wind becoming north 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 54. Northwest wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny, with a high near 78. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night
Clear, with a low around 54.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 57.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SW Modesto CA
 37.5°N 121.25°W (Elev. 866 ft)
2:00 am PDT Aug 12, 2026
9am PDT Aug 12, 2026-6pm PDT Aug 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database