Flood Warning Issued for Clinton and Scott Counties, Iowa

Source: NOAA · Clinton and Scott Counties, Iowa

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NWS Quad Cities IA IL has issued a Flood Warning for the Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties from Thursday evening to Monday morning.

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

This notice was issued by NOAA on July 3, 2026 and geographically references Clinton and Scott Counties, Iowa. 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.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, Flood Warning, Iowa) map to related alerts in the same area of risk - browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Alert Details

A Flood Warning has been issued by the National Weather Service in Quad Cities IA IL. The alert was sent at 9:14AM CDT on June 10, 2026, and is in effect from Thursday evening through Monday morning.

Affected Areas

The warning covers Clinton County, IA and Scott County, IA, specifically the Wapsipinicon River near De Witt 4S.

What You Should Do

Turn around, don't drown when encountering flooded roads. Motorists should not attempt to drive around barricades or drive cars through flooded areas.

Expected Conditions

Moderate flooding is forecast. At 11.5 feet, water affects homes along old U.S. Highway 61. The river is expected to crest at 11.7 feet.

Timeline

The river is expected to rise above flood stage (11.0 feet) Thursday evening, crest Friday morning, and fall below flood stage late Sunday evening. The alert expires at 6:00AM CDT on June 15, 2026.

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 Quad Cities IA IL has issued a Flood Warning for the Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties from Thursday evening to Monday morning.
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 Clinton and Scott Counties, Iowa. 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.