health · severe

Flood Watch for Clark County — updated Aug 20, 9:51 a.m.

The Flood Watch will expire for portions of east central Indiana, including the following areas, Fayette, Union and Wayne and Ohio, including the following areas, Auglaize, Champaign, Clark, Darke, De

The National Weather Service updated a Flood Watch covering Clark County on August 20, 2026. NWS

The LanternAssembled from the record Published Sep 3, 2026

NWSFlood Watch for Clark County — updated Aug 20, 9:51 a.m.

Illustration: a barn and silo under rain clouds, with furrowed fields — Illustration · The Lantern

Context

This is one of 46 records of this type (Severe) from this source in the year preceding it. NWS

The Lantern holds 86 records from this source in total, and 1375 for New Carlisle across every source. NWS

1 source

By the numbers

Date of record: August 20, 2026 NWS
Event: Flood Watch NWS
Messagetype: Update NWS
Severity: Severe NWS
Certainty: Possible NWS
Urgency: Future NWS
Headline: Flood Watch issued August 20 at 9:51AM EDT until August 20 at 10:00AM EDT by NWS Wilmington OH NWS

1 source

How we know this:

Assembled mechanically from the source filing and The Lantern's own record database — no AI-written prose. Every figure above appears verbatim in the cited record, which is linked on this page. NWS

Sources

1Flood Watch for Clark County — updated Aug 20, 9:51 a.m.NWS Alerts — Clark County, OH · Aug 20, 2026 · the filing on this pageweather.gov

Thursday, August 20, 2026Clark County, OH · New CarlislePublic record · NWS Alerts — Clark County, OH

The source filing

Event	Flood Watch
Message type	Update
Severity	Severe
Certainty	Possible
Urgency	Future
Headline	Flood Watch issued August 20 at 9:51AM EDT until August 20 at 10:00AM EDT by NWS Wilmington OH
Area desc	Wayne; Fayette; Union; Hardin; Mercer; Auglaize; Darke; Shelby; Logan; Union; Delaware; Miami; Champaign; Clark; Madison; Franklin; Licking; Preble; Montgomery; Greene; Fayette; Pickaway; Fairfield; Hocking
Effective	August 20, 2026, 9:51 a.m.
Expires	August 20, 2026, 11:00 a.m.
Sender name	NWS Wilmington OH

View the original at weather.gov

Published by National Weather Service (api.weather.gov). This is the agency's public filing as The Lantern received it, shown with its fields named in plain English.