Flash Flood Warning Issued for Delaware and Franklin Counties in Ohio

Source: NOAA · Central Ohio

This alert is no longer in effect.

NOAA issued it on August 10, 2026, 13 days ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

NWS Wilmington OH has issued a Flash Flood Warning for south central Delaware County and Franklin County until 2:30 PM EDT on August 10, 2026.

Read this weather record in 30 seconds

Record type
Flash Flood Warning
Affected area
Central Ohio
Issued
August 10, 2026
Issuing authority
NWS Wilmington OH

Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.

Record status: historical. It was issued 13 days ago; use the issuing agency's live warning service for current conditions in Central Ohio.

Alert Details

Flash Flood Warning issued by NWS Wilmington OH. Effective from 12:30 PM EDT to 2:30 PM EDT on August 10, 2026. Severity: Severe. Urgency: Immediate. Certainty: Likely.

Affected Areas

South Central Delaware County and Franklin County in central Ohio. Locations that may experience flash flooding include Columbus, Dublin, Reynoldsburg, Grove City, Upper Arlington, Gahanna, Hilliard, Worthington, Bexley, Powell, Groveport, Minerva Park, Ohio State University, Easton, Whitehall, Grandview Heights, Obetz, Urbancrest and Valleyview.

What You Should Do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. To report flash flooding, go to weather.gov/iln and submit your report via social media when safe.

Expected Conditions

At 12:30 PM EDT, radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are possible. Flash flooding is ongoing or expected to begin shortly. Hazard: Flash flooding caused by thunderstorms. Impact: Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.

Timeline

Alert effective August 10, 2026 from 12:30 PM EDT until 2:30 PM EDT.

Original source: NOAA Official Notice ↗

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Nationwide notices with similar length or severity timing 8

Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Wilmington OH has issued a Flash Flood Warning for south central Delaware County and Franklin County until 2:30 PM EDT on August 10, 2026.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Central Ohio. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.