Flood Warning Issued for Clark County, Missouri

Source: NOAA · Clark County, Missouri

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NWS Quad Cities IA IL has issued a Flood Warning for the Fox River at Wayland affecting Clark County from Thursday morning to early Friday morning.

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

This notice was issued by NOAA on July 5, 2026 and geographically references Clark County, Missouri. 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, Missouri) 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 is effective from June 10 at 11:59PM CDT, with onset June 11 at 11:57AM CDT, and expires June 12 at 12:00AM CDT (ends June 12 at 12:10AM CDT). The event code is FLW.

Affected Areas

The warning covers Clark County, Missouri, specifically the Fox River at Wayland.

What You Should Do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas.

Expected Conditions

Minor flooding is forecast. At 15.0 feet, water affects agricultural land on the south bank. At 11:30 PM CDT Wednesday the stage was 6.1 feet and rising rapidly.

Timeline

The river will rise above flood stage late tomorrow morning to 16.0 feet early tomorrow afternoon. It will then fall below flood stage tomorrow afternoon to 10.2 feet early Friday afternoon. It will rise to 11.7 feet Saturday morning before falling again and remaining below flood stage. Flood stage is 15.0 feet.

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 Fox River at Wayland affecting Clark County from Thursday morning to early Friday 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 Clark County, Missouri. 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.