Flood Warning issued for Johnson, Louisa, Washington Counties IA

Source: NOAA · Eastern Iowa

This alert is no longer in effect.

NOAA issued it on July 5, 2026, 7 weeks 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.

NWS Quad Cities IA IL has issued a Flood Warning for rivers in eastern Iowa including the Iowa River near Lone Tree, effective from late Thursday night through early Saturday morning.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Eastern Iowa
Issued
July 5, 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 7 weeks ago; use the issuing agency's live warning service for current conditions in Eastern Iowa.

Alert Details

Flood Warning issued by NWS Quad Cities IA IL (NOAA). Sent June 10 at 9:15PM CDT. Effective from June 10 at 9:15PM CDT. Onset late Thursday night June 12 at 5:40AM CDT. Expires June 11 at 9:15PM CDT. Ends June 13 at 12:01AM CDT.

Affected Areas

Johnson County IA, Louisa County IA, and Washington County IA. Specific rivers include:

  • Iowa River near Lone Tree (Johnson, Louisa, Washington Counties)
  • Cedar River near Conesville (Muscatine and Louisa Counties)
  • English River at Kalona (Johnson and Washington Counties)

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 16.0 feet, flood waters affect parts of Lola Lane and Y Avenue. River Junction Access Park is closed. At 9:00 PM CDT Wednesday the stage was 11.2 feet and beginning to rise.

Timeline

The river will rise above flood stage early Friday morning to 16.6 feet early Friday afternoon. It will then fall below flood stage Friday afternoon to 13.5 feet Saturday morning. It will rise to 14.2 feet Sunday morning. It will then fall again and remain below flood stage. Flood stage is 16.0 feet.

Original source: NOAA Official Notice ↗

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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.

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 rivers in eastern Iowa including the Iowa River near Lone Tree, effective from late Thursday night through early Saturday 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 Eastern 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.