Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.
Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >
Current conditions at
DIABLO GRANDE (DBLC1)
Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.NA
68°F
20°C
| Humidity | 16% |
| Wind Speed | NW 5 MPH |
| Barometer | NA |
| Dewpoint | 20°F (-7°C) |
| Visibility | NA |
| Last update | 18 May 10:00 PM PDT |
Extended Forecast for
16 Miles S Tracy CA
Tonight
Low: 61 °F
Clear
Tuesday
High: 74 °F
Sunny
Tuesday Night
Low: 66 °F
Mostly Clear
Wednesday
High: 79 °F
Sunny
Wednesday Night
Low: 67 °F
Mostly Clear
Thursday
High: 81 °F
Sunny
Thursday Night
Low: 65 °F
Clear
Friday
High: 80 °F
Sunny
Friday Night
Low: 59 °F
Clear
Detailed Forecast
Tonight
Clear, with a low around 61. West northwest wind 15 to 18 mph, with gusts as high as 26 mph.
Tuesday
Sunny, with a high near 74. North wind 10 to 15 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 66. North northwest wind 10 to 14 mph becoming west in the evening. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 79. Light and variable wind becoming east northeast 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 67. Northwest wind 6 to 14 mph becoming west southwest in the evening. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 81.
Thursday Night
Clear, with a low around 65.
Friday
Sunny, with a high near 80.
Friday Night
Clear, with a low around 59.
Saturday
Sunny, with a high near 82.
Saturday Night
Clear, with a low around 57.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 57.
Memorial Day
Sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
16 Miles S Tracy CA
37.51°N 121.37°W (Elev. 3127 ft)
37.51°N 121.37°W (Elev. 3127 ft)
2:00 pm PDT May 18, 2026
10pm PDT May 18, 2026-6pm PDT May 25, 2026
Additional Resources
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