Flood Advisory — Chickasaw County, Iowa
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Current Status
🌊 Active: Flood Advisory
Flood Advisory issued August 11 at 7:24AM CDT until August 11 at 10:30AM CDT by NWS La Crosse WI
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northern Floyd County in north central Iowa... Chickasaw County in northeastern Iowa... * WHEN...Until 1030 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 723 AM CDT, trained weather spotters reported heavy rain in the advisory area due to thunderstorms. Minor flooding is ongoing or expected to begin shortly. Between 2 and 3 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Charles City, New Hampton, Lawler, Rudd, Floyd, Ionia, Jerico, Chickasaw, Alta Vista, North Washington, Colwell, Bassett, County Roads B 33 And T 76, Deerfield, Highway 18 And County V 18, County Roads B 28 And V 18, Devon, Twin Ponds Park and New Hampton Airport. - http://www.weather.gov/safety/flood
Effective August 11, 2026 at 8:24 AM ET · Expires August 11, 2026 at 11:30 AM ET
Event Details
Event Type
Flood Advisory
Severity
minor
Issued By
NWS La Crosse WI
Expires
August 11, 2026 at 11:30 AM ET
Last Checked
1 minute ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Also In Effect For
This same Flood Advisory also covers:
Other Active Alerts in Iowa
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Flood Advisory
Get Flood Advisory Alerts for Chickasaw County
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Frequently Asked Questions
What does a Flood Advisory mean for Chickasaw County, Iowa?
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Is this Flood Advisory currently active?
Yes — this alert is active as of our last check (1 minute ago). It's set to expire August 11, 2026 at 11:30 AM ET.
How do I get notified about Flood Advisory alerts for Chickasaw County?
Download StormCast free on Google Play and set Chickasaw County, Iowa as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Flood Advisory is also in effect for Floyd County.