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Flash Flood Warning

◍ Mercer, OH · USA · updated 9/16/2026, 7:09:00 AM

⏱ In effect until 7:00 AM UTC-4

Severity score

65/100

Confidence

High

Why this matters

FFWILN The National Weather Service in Wilmington has issued a * Flash Flood Warning for... Mercer County in west central Ohio... * Until 700 AM EDT. * At 309 AM EDT, radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or

Key stats

Severity

Severe

Certainty

Likely

Urgency

Immediate

Severity over time

Timeline

Flash Flood Warning
9/16/2026, 7:09:00 AM
Flash Flood Warning issued September 16 at 3:09AM EDT until September 16 at 7:00AM EDT by NWS Wilmington OH

Sources & attribution

OfficialNWS NWS Wilmington OHupdated 9/16/2026, 7:09:00 AM

OfficialNWS NWS Wilmington OHupdated 9/16/2026, 8:36:00 AM

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