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Flash Flood Warning

◍ Clayton, IA · USA · updated 9/19/2026, 9:21:00 AM

⏱ In effect until 8:15 AM UTC-5

Severity score

65/100

Confidence

High

Why this matters

FFWARX The National Weather Service in La Crosse has issued a * Flash Flood Warning for... Clayton County in northeastern Iowa... Fayette County in northeastern Iowa... * Until 815 AM CDT. * At 421 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in th

Key stats

Severity

Severe

Certainty

Likely

Urgency

Immediate

Timeline

Flash Flood Warning
9/19/2026, 9:21:00 AM
Flash Flood Warning issued September 19 at 4:21AM CDT until September 19 at 8:15AM CDT by NWS La Crosse WI

Sources & attribution

OfficialNWS NWS La Crosse WIupdated 9/19/2026, 9:21:00 AM

OfficialNWS NWS Quad Cities IA ILupdated 9/19/2026, 9:19:00 AM

OfficialNWS NWS La Crosse WIupdated 9/19/2026, 7:43:00 AM

⚠This is an informational severity score, not an official warning. Follow guidance from NWS/NOAA, FEMA (ready.gov), and local emergency management.