Flood Warning Issued for Louisa and Muscatine Counties in Iowa and Mercer and Rock Island Counties in Illinois
This alert is no longer in effect.
NOAA issued it on April 16, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Flood Warning has been issued by the National Weather Service for parts of Iowa and Illinois, with minor flooding expected along the Mississippi River starting Monday afternoon.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Southeastern Iowa and Western Illinois
- Issued
- April 16, 2026
- Issuing authority
- NWS Quad Cities IA IL
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Southeastern Iowa and Western Illinois.
Alert Details
The National Weather Service in Quad Cities IA IL has issued a Flood Warning. This alert is effective from its issuance on April 16, 2026, at 11:30 AM CDT, with onset expected on April 20, 2026.
Affected Areas
The warning affects Louisa and Muscatine counties in Iowa, and Mercer and Rock Island counties in Illinois, specifically along the Mississippi River at Muscatine.
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. Caution is urged when walking near riverbanks.
Expected Conditions
Minor flooding is forecast, with the Mississippi River at Muscatine expected to rise above the 16.0-foot flood stage early on April 20, 2026, reaching up to 16.5 feet by April 23, 2026. At 10:15 AM CDT on April 16, 2026, the stage was 14.3 feet.
Timeline
The alert is in effect from Monday afternoon, April 20, 2026, until further notice, with the initial issuance on April 16, 2026, at 11:30 AM CDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,043 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 16, 2026.
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