Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927° N Lon: 121.29538° W Elev: 1861.0 ft.

NA

73°F

23°C

Humidity 28%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 29 Jul 03:00 AM PDT
Detailed forecast for

Western Stanislaus County Below 1000 ft Including Interstate 5

Today
Sunny. Highs around 96. North winds up to 10 mph with gusts to around 20 mph.
Tonight
Clear. Lows 61 to 67. Northwest winds up to 10 mph in the evening becoming light. Gusts up to 20 mph.
Thursday
Sunny. Highs 95 to 101. North winds up to 10 mph with gusts to around 20 mph.
Thursday Night
Clear. Lows 62 to 68. Northwest winds up to 10 mph with gusts to around 20 mph.
Friday
Sunny. Highs 96 to 102. Northwest winds up to 10 mph.
Friday Night
Clear. Lows 62 to 68.
Saturday
Sunny. Highs 97 to 103.
Saturday Night Through Tuesday
Clear. Lows 62 to 70. Highs 97 to 103.



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202 AM PDT Wed Jul 29 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database