California Severe Flash Flood Warning | Effective 08/10/2026 15:21

Headline: 
Flash Flood Warning issued August 10 at 3:21PM PDT until August 10 at 5:45PM PDT by NWS San Diego CA
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
August 10, 2026 - 3:21pm
Expires: 
August 10, 2026 - 5:45pm
Description: 
FFWSGX The National Weather Service in San Diego has issued a * Flash Flood Warning for... Riverside County in southern California... * Until 545 PM PDT. * At 321 PM PDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 0.5 to 1.25 inches in 1 hour. Additional rainfall amounts of 0.5 to 1.25 inches 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. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Southeastern Palm Springs, Hwy 74 Between Anza And Palm Desert and Hwy 74 Between Mountain Center And Anza.
Instruction: 
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.
Area Description: 
Riverside, CA
Forcast Office: 
NWS San Diego CA
Sender: 
w-nws.webmaster@noaa.gov