Flood Warning for Iowa River at Wapello, Louisa County

Source: NOAA · Louisa County, IA

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NWS Quad Cities has issued a Flood Warning for the Iowa River at Wapello and Oakville in Louisa County, IA, with minor flooding forecast from late tonight through Friday afternoon.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Louisa County, IA
Issued
September 21, 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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.

Alert Details

Flood Warning issued by NWS Quad Cities IA IL. Effective from late tonight through Friday afternoon. The alert replaces a river flood watch.

Affected Areas

Iowa River at Wapello affecting Louisa County, IA. Iowa River at Oakville affecting Louisa County, IA.

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. At 25.0 feet, widespread flooding of agricultural land and numerous secondary roads under water. At 7:00 PM CDT the stage was 20.1 feet.

Timeline

Onset after midnight tonight. Crest of 24.3 feet early Wednesday morning. Falls below flood stage late Friday morning. Alert expires September 21 at 7:45 PM CDT and ends September 25 at 5:00 PM CDT.

Original source: NOAA Official Notice ↗

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Elsewhere in the country: similar length or severity timing 8

Beyond this NWS weather alert's own category, Areazine surfaces two nationwide peer sets: length-matched and severity/date-matched notices from elsewhere in the archive, distinct from the same-feed Related list above.

Frequently Asked Questions

Questions readers often have about this NWS weather alert.

What is this NWS weather alert about?
NWS Quad Cities has issued a Flood Warning for the Iowa River at Wapello and Oakville in Louisa County, IA, with minor flooding forecast from late tonight through Friday afternoon.
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 Louisa County, IA. 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.