Alert USA
weather NWS minor San Bernardino, CA July 17, 2026 at 11:30 PM

Flood Advisory

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...San Bernardino County in southern California...

* WHEN...Until 630 PM PDT.

* IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. Some low-water crossings may become impassable.

* ADDITIONAL DETAILS... - At 429 PM PDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 1.5 inches of rain have fallen. - Addi

Flooding in San Bernardino, CA can cut off roads with little warning, damage homes near low-lying areas, and disrupt power and water service. Even a few inches of moving water can carry away a vehicle.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Alert USA anticipates a high chance of travel disruptions, elevated property risk in low-lying areas, and possible power outages while the event is active.

Recommended steps: avoid flooded roads — turn around, don't drown; move to higher ground if you are in a low-lying area; charge phones and prepare for power loss; check on family and neighbors.

Alert USA is tracking this flood event and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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