Immediate

Responsive action SHOULD be taken immediately

Arizona Severe Flash Flood Warning | Effective 09/16/2026 12:42

FFWPSR The National Weather Service in Phoenix has issued a * Flash Flood Warning for... Maricopa County in south central Arizona... * Until 445 PM MST. * At 1242 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

Arizona Severe Flash Flood Warning | Effective 09/16/2026 12:44

FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Coconino County in north central Arizona... * Until 445 PM MST /545 PM MDT/. * At 1244 PM MST /144 PM MDT/, 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.

Arizona Severe Flash Flood Warning | Effective 09-16-2026 12:18

FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Coconino County in north central Arizona... This includes Bright Angel Creek and the Colorado River between river miles 79 and 92. * Until 415 PM MST. * At 1218 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 1 inch of rain has fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated.

Arizona Severe Flash Flood Warning | Effective 09/16/2026 12:18

FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Coconino County in north central Arizona... This includes Bright Angel Creek and the Colorado River between river miles 79 and 92. * Until 415 PM MST. * At 1218 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 1 inch of rain has fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated.

Arizona Severe Severe Thunderstorm Warning | Effective 09/16/2026 12:18

SVRTWC The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... Central Pinal County in southeastern Arizona... * Until 100 PM MST. * At 1218 PM MST, a severe thunderstorm was located 10 miles northeast of Picacho Peak State Park, moving northwest at 5 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Mainly rural areas of Central Pinal County. This includes Route 79 between mile markers 113 and 122.

Colorado Severe Flash Flood Warning | Effective 09-16-2026 12:05

FFWGJT The National Weather Service in Grand Junction has issued a * Flash Flood Warning for... The Lee Fire burn scar in... South Central Rio Blanco County in northwestern Colorado... * Until 400 PM MDT. * At 105 PM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Lee Fire Burn Scar. Between 0.2 and 0.5 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

Colorado Severe Flash Flood Warning | Effective 09/16/2026 12:05

FFWGJT The National Weather Service in Grand Junction has issued a * Flash Flood Warning for... The Lee Fire burn scar in... South Central Rio Blanco County in northwestern Colorado... * Until 400 PM MDT. * At 105 PM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Lee Fire Burn Scar. Between 0.2 and 0.5 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

Arizona Severe Flash Flood Warning | Effective 09-16-2026 11:46

FFWPSR The National Weather Service in Phoenix has issued a * Flash Flood Warning for... Maricopa County in south central Arizona... Pinal County in southeastern Arizona... * Until 345 PM MST. * At 1146 AM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 0.5 to 1 inch are possible in the
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