National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

64°F

18°C

Humidity 60%
Wind Speed S 13 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 18 Jun 09:00 PM PDT
Extended Forecast for

21 Miles SW Modesto CA

  • Tonight

    Tonight: Mostly clear, with a low around 57. South southeast wind 3 to 5 mph.

    Low: 57 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 80. Calm wind becoming east 5 to 7 mph in the morning.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. North northwest wind 5 to 8 mph becoming light and variable in the evening.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Calm wind becoming north northeast 5 to 8 mph in the afternoon.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57. North wind 5 to 9 mph becoming calm in the evening.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. South southeast wind 3 to 5 mph.
Juneteenth
Sunny, with a high near 80. Calm wind becoming east 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 56. North northwest wind 5 to 8 mph becoming light and variable in the evening.
Saturday
Sunny, with a high near 81. Calm wind becoming north northeast 5 to 8 mph in the afternoon.
Saturday Night
Clear, with a low around 57. North wind 5 to 9 mph becoming calm in the evening.
Sunday
Sunny, with a high near 85.
Sunday Night
Clear, with a low around 61.
Monday
Sunny, with a high near 88.
Monday Night
Clear, with a low around 64.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Clear, with a low around 66.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Clear, with a low around 66.
Thursday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles SW Modesto CA
 37.43°N 121.26°W (Elev. 1401 ft)
Last Update:
8:46 pm PDT Jun 18, 2026
Forecast Valid:
10pm PDT Jun 18, 2026-6pm PDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

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