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Flash Flood Warning

Status

New Event Active alert

Start Time

Tue 08/11/2026 06:26 PM EDT

End Time

Tue 08/11/2026 09:30 PM EDT

Significance

Warning

Impacts

High impact

Flash floodradar indicated
Flash flood damage threatconsiderable

Locations Affected

Yermo, CA ∙ Daggett, CA ∙ Daggett Airport, CA

Full Alert Message

BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Las Vegas NV 326 PM PDT Tue Aug 11 2026 The National Weather Service in Las Vegas has issued a * Flash Flood Warning for... San Bernardino County in southern California... * Until 630 PM PDT. * At 326 PM PDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Daggett and Nebo Center. This includes the following highways... Interstate 15 in California between mile markers 81 and 89. Interstate 40 in California between mile markers 2 and 11. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && LAT...LON 3498 11704 3486 11698 3484 11687 3485 11677 3497 11676 3502 11693 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE