California note
Flooded roads are a turn-around moment
NWS flood safety guidance is useful during atmospheric rivers, desert storms, burn-scar rain, and low-water crossings where the road can hide more than it shows.
California storms can make a road change quickly. A low dip, creek crossing, underpass, burn-scar canyon, desert wash, or farm road can look passable from the driver’s seat and still be a bad idea.
The National Weather Service message is plain: never drive around a barricade, and turn around when water covers the road. The water can hide a washed-out surface or a current stronger than it looks. The agency warns that 12 inches of rushing water can carry away most cars.
Do not walk through moving floodwater either. Check local road closures during big rain, especially before a long drive. If you reach water across the road, treat it as a route problem, not a bravery test. A different road is the win.
Where to see it
National Weather Service flood safety pages and local road closure updates.
Official sources
Official pages
Reviewed July 14, 2026
Current maps, alerts, conditions, and public safety guidance.
Conditions and public guidance can change quickly. Check the current page before you act.
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