Flood Warning Issued for Mississinewa River Near Ridgeville, Indiana

Source: NOAA · Delaware and Randolph Counties, Indiana

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NWS Indianapolis has issued a Flood Warning for the Mississinewa River near Ridgeville in Delaware and Randolph counties, Indiana, due to minor flooding expected from this afternoon through late tonight.

What this NWS weather alert tells you, and what most readers miss

This notice was issued by NOAA on June 11, 2026 and geographically references Delaware and Randolph Counties, Indiana. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Weather Alerts - determines the warning protocol behind it, which shapes what protective action (seeking shelter, following evacuation orders if issued, monitoring official updates) is recommended and which agency holds authority to issue or cancel it.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action, a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

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Alert Details

Flood Warning issued by NWS Indianapolis IN. Effective from 2026-05-27T14:07:00-04:00 until 2026-05-28T04:12:00-04:00.

Affected Areas

Delaware County, IN and Randolph County, IN. Specifically the Mississinewa River near Ridgeville.

What You Should Do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Expected Conditions

Minor flooding is forecast. At 1:00 PM EDT the stage was 8.8 feet. The river is expected to rise to a crest of 11.3 feet late this afternoon. Flood stage is 10.0 feet. At 11.5 feet, water on the shoulder and edge of SR 1 south of the junction with SR 28 in western Randolph County.

Timeline

From this afternoon to late tonight. The river will fall below flood stage late this evening.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Indianapolis has issued a Flood Warning for the Mississinewa River near Ridgeville in Delaware and Randolph counties, Indiana, due to minor flooding expected from this afternoon through late tonight.
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 Delaware and Randolph Counties, Indiana. 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.