Flash Flood Warning — Louisa County, Iowa
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Current Status
🌊 Active: Flash Flood Warning
Flash Flood Warning issued August 14 at 8:46AM CDT until August 14 at 11:00AM CDT by NWS Quad Cities IA IL
At 846 AM CDT, local law enforcement reported flash flooding caused by heavy rain across the warned area. Between 3 and 6 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. 911 Dispatch reported that several secondary roads were closed in Louisa County due to water over the roads. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Law enforcement reported. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Aledo, Wapello, Columbus Junction, Burgess, Viola, Morning Sun, New Windsor, Millersburg, Matherville, New Boston, Sherrard, Keithsburg, Grandview, Reynolds, Eliza, Joy, Columbus City, Letts, Little York and Seaton. This includes the following State Parks... Big River State Forest.
Effective August 14, 2026 at 9:46 AM ET · Expires August 14, 2026 at 12:00 PM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS Quad Cities IA IL
Expires
August 14, 2026 at 12:00 PM 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. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Also In Effect For
This same Flash Flood Warning also covers:
Other Active Alerts in Iowa
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Get Flash Flood Warning Alerts for Louisa County
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Frequently Asked Questions
What does a Flash Flood Warning mean for Louisa County, Iowa?
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Is this Flash Flood Warning currently active?
Yes — this alert is active as of our last check (1 minute ago). It's set to expire August 14, 2026 at 12:00 PM ET.
How do I get notified about Flash Flood Warning alerts for Louisa County?
Download StormCast free on Google Play and set Louisa 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 Flash Flood Warning is also in effect for Warren County, Henderson County, Des Moines County, Mercer County.