California Severe Flash Flood Warning | Effective 08-10-2026 19:22

Headline: 
Flash Flood Warning issued August 10 at 7:22PM PDT until August 10 at 9:15PM PDT by NWS Las Vegas NV
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
August 10, 2026 - 7:22pm
Expires: 
August 10, 2026 - 9:15pm
Description: 
FFWVEF The National Weather Service in Las Vegas has issued a * Flash Flood Warning for... San Bernardino County in southern California... * Until 915 PM PDT. * At 722 PM PDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 2 inches of rain have fallen. 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... National Trails Highway between Ludlow and Amboy, Amboy, Amboy Road This includes Interstate 40 in California between mile markers 50 and 58.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. 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.
SNM: AVISO DE INUNDACIONES REPENTINAS hasta 9:15 PM PDT. Evite areas inundadas.
Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 9:15 PM PDT. Esta es una situacion peligrosa y amenaza la vida. No intente viajar a menos que sea para abandonar un area propensa a inundaciones o bajo una orden de desalojo.
Area Description: 
San Bernardino, CA
Forcast Office: 
NWS Las Vegas NV
Sender: 
w-nws.webmaster@noaa.gov