Flood Warning Issued for Brown and Clermont Counties, Ohio

Source: NOAA · Southwest Ohio

This alert is no longer in effect.

NOAA issued it on July 20, 2026, 4 weeks 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.

A Flood Warning is in effect until 9:45 AM EDT for Brown and Clermont counties in southwest Ohio due to flooding from excessive rainfall.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Southwest Ohio
Issued
July 20, 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 4 weeks ago; use the issuing agency's live warning service for current conditions in Southwest Ohio.

Alert Details

Flood Warning issued by NWS Wilmington OH. Effective from June 18, 2026 at 7:44 AM EDT until June 18, 2026 at 9:45 AM EDT. Severity: Severe. Certainty: Likely. Urgency: Expected.

Affected Areas

Brown County, OH and Clermont County, OH in southwest Ohio. Locations that may experience flooding include Milford, Amelia, Mount Orab, New Richmond, Williamsburg, Batavia, Withamsville, Camp Dennison, Owensville, Newtonsville, Fayetteville, St. Martin, East Fork State Park, Bantam, Clermont County Airport, Locust Ridge, Lake Lorelei, Perintown, Willowville and Day Heights.

What You Should Do

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

Expected Conditions

Flooding caused by excessive rainfall is expected. Between 2 and 4 inches of rain have fallen. No additional rainfall is expected this morning. High water continues in the Fayetteville Area along U.S. 50 as well as along U.S. 50 in Clermont County. Numerous roads remain closed due to flooding.

Timeline

Alert effective June 18, 2026 at 7:44 AM EDT. Expires and ends June 18, 2026 at 9:45 AM 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?
A Flood Warning is in effect until 9:45 AM EDT for Brown and Clermont counties in southwest Ohio due to flooding from excessive rainfall.
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 Southwest 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.