Flash Flood Warning Issued for Lee County, Iowa and Nearby Areas

Source: NOAA · Southeastern Iowa, West Central Illinois, Northeastern Missouri

A Flash Flood Warning is in effect for South Central Lee County in Iowa, Central Hancock County in Illinois, and Southeastern Clark County in Missouri until 12:45 PM CDT, due to heavy rain from thunderstorms.

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

This notice was issued by NOAA on May 7, 2026 and geographically references Southeastern Iowa, West Central Illinois, Northeastern 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 regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

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, Flash Flood Warning, Midwest) 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

The National Weather Service (NWS) Quad Cities IA IL has issued a Flash Flood Warning. This alert is effective from 9:54 AM CDT on April 27, 2026, until 12:45 PM CDT on the same day.

Affected Areas

The warning affects South Central Lee County in southeastern Iowa, Central Hancock County in west central Illinois, and Southeastern Clark County in northeastern Missouri. Specific locations include Keokuk and Hamilton, as well as Warsaw, La Harpe, Wayland, Alexandria, Ferris, Adrian, Colusa, Burnside, Winchester, Elvaston, Camp Eastman, Sandusky, Keokuk Airport, Mooar, Chatfield Park, Gregory Landing, St. Patrick, and Antioch.

What You Should Do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.

Expected Conditions

Flash flooding is caused by thunderstorms producing heavy rain. Between 1 and 2 inches of rain have already fallen, with additional rainfall amounts up to 1 inch possible. This may lead to flash flooding of small creeks and streams, urban areas, highways, streets, underpasses, and other poor drainage and low-lying areas.

Timeline

The alert is effective from 9:54 AM CDT on April 27, 2026, and ends at 12:45 PM CDT on April 27, 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?
A Flash Flood Warning is in effect for South Central Lee County in Iowa, Central Hancock County in Illinois, and Southeastern Clark County in Missouri until 12:45 PM CDT, due to heavy rain from thunderstorms.
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 Southeastern Iowa, West Central Illinois, Northeastern 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.