Arizona Severe Flash Flood Warning | Effective 08/09/2026 21:56

Headline: 
Flash Flood Warning issued August 9 at 9:56PM MST until August 10 at 1:00AM MST by NWS Phoenix AZ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
August 9, 2026 - 9:56pm
Expires: 
August 10, 2026 - 1:00am
Description: 
FFWPSR The National Weather Service in Phoenix has issued a * Flash Flood Warning for... Maricopa County in south central Arizona... * Until 100 AM MST. * At 956 PM MST, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 0.75 and 1.5 inches of rain have fallen. Additional rainfall amounts of 0.25 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Avondale, Goodyear, Buckeye, Litchfield Park, Perryville and Liberty. This includes the following highways... AZ Route 85 between mile markers 150 and 154. AZ Interstate 10 between mile markers 104 and 113. AZ Route 303 between mile markers 105 and 106. This includes the following streams and drainages... Beardsley Canal, Gila River, Agua Fria River, Jackrabbit Wash and Hassayampa River.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads.
Area Description: 
Maricopa, AZ
Forcast Office: 
NWS Phoenix AZ
Sender: 
w-nws.webmaster@noaa.gov