Flood Advisory — San Bernardino County, California
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Current Status
🌊 Active: Flood Advisory
Flood Advisory issued August 11 at 4:36PM PDT until August 11 at 6:15PM PDT by NWS Las Vegas NV
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...San Bernardino County in southern California... * WHEN...Until 615 PM PDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Some low-water crossings may become impassable. * ADDITIONAL DETAILS... - At 436 PM PDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen. - Flooding impacts will continue, but no additional rainfall is expected. - Some locations that will experience flooding include... Barstow, Daggett, Owl Canyon Campground and Nebo Center. - http://www.weather.gov/safety/flood
Effective August 11, 2026 at 7:36 PM ET · Expires August 11, 2026 at 9:15 PM ET
Event Details
Event Type
Flood Advisory
Severity
minor
Issued By
NWS Las Vegas NV
Expires
August 11, 2026 at 9:15 PM ET
Last Checked
1 minute ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Other Active Alerts in California
Severe Thunderstorm Warning
Flood Advisory
Flood Advisory
Flood Advisory
Flash Flood Warning
Flash Flood Warning
Get Flood Advisory Alerts for San Bernardino County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Flood Advisory mean for San Bernardino County, California?
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Is this Flood Advisory currently active?
Yes — this alert is active as of our last check (1 minute ago). It's set to expire August 11, 2026 at 9:15 PM ET.
How do I get notified about Flood Advisory alerts for San Bernardino County?
Download StormCast free on Google Play and set San Bernardino County, California as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.