Alert archive / Iowa / Flash Flood Warnings

Flash Flood Warnings in Iowa, 2023

30 flash flood warnings in 2023. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.

Flash Flood Warnings by county

Each county as a circle sized by its count in 2023. Tap one for its archive.

Flash Flood Warnings
30
Busiest month
August14 flash flood warnings
Busiest day
August 2, 20236 flash flood warnings

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Apr 14, 7:26 PM CDTFlash Flood WarningOAXPottawattamie3 hr
Apr 14, 8:52 PM CDTFlash Flood WarningOAXMills, Pottawattamie3 hr
May 7, 1:08 AM CDTFlash Flood WarningDVNHenry, Jefferson3 hr
May 8, 2:07 AM CDTFlash Flood WarningDVNScott3 hr
May 11, 9:53 AM CDTFlash Flood WarningARXMitchell3 hr
May 11, 11:34 AM CDTFlash Flood WarningARXMitchell3 hr
May 12, 7:55 PM CDTFlash Flood WarningOAXMonona3 hr
May 12, 10:45 PM CDTFlash Flood WarningOAXHarrison, Monona3 hr
May 13, 4:34 PM CDTFlash Flood WarningDVNLouisa4 hr
May 13, 7:40 PM CDTFlash Flood WarningDMXPalo Alto, Pocahontas6 hr
May 30, 3:46 PM CDTFlash Flood WarningDMXWebster3 hr
May 31, 3:40 PM CDTFlash Flood WarningFSDO'Brien, Sioux3 hr
Jul 12, 5:55 AM CDTFlash Flood WarningDMXBoone, Greene6 hr
Jul 28, 9:09 PM CDTFlash Flood WarningDVNDubuque, Jackson3 hr
Aug 2, 2:47 AM CDTFlash Flood WarningOAXHarrison, Pottawattamie, Shelby8 hr
Aug 2, 4:45 AM CDTFlash Flood WarningOAXHarrison, Shelby6 hr
Aug 2, 5:43 AM CDTFlash Flood WarningDMXCass4 hr
Aug 2, 6:23 AM CDTFlash Flood WarningOAXHarrison4 hr
Aug 2, 7:17 AM CDTFlash Flood Warning Considerable damage threatOAXHarrison3 hr
Aug 2, 7:27 AM CDTFlash Flood WarningOAXHarrison, Pottawattamie3 hr
Aug 5, 1:08 AM CDTFlash Flood WarningDVNLee5 hr
Aug 5, 2:17 AM CDTFlash Flood WarningDVNDes Moines, Lee6 hr
Aug 5, 12:15 PM CDTFlash Flood WarningFSDCherokee, Lyon, O'Brien, Osceola3 hr
Aug 5, 3:18 PM CDTFlash Flood WarningFSDLyon, Sioux4 hr
Aug 5, 4:41 PM CDTFlash Flood WarningFSDLyon, Sioux3 hr
Aug 5, 5:20 PM CDTFlash Flood WarningFSDLyon, O'Brien, Osceola, Sioux3 hr
Aug 6, 3:23 PM CDTFlash Flood WarningDVNVan Buren50 min
Aug 14, 4:39 PM CDTFlash Flood WarningDVNDubuque2 hr
Sep 19, 10:20 PM CDTFlash Flood WarningDMXAudubon4 hr
Sep 22, 8:14 PM CDTFlash Flood WarningDVNBuchanan, Delaware, Linn3 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

  1. August 2, 20236flash flood warnings
  2. August 5, 20236flash flood warnings
  3. May 13, 20233flash flood warnings
  4. April 15, 20232flash flood warnings
  5. May 11, 20232flash flood warnings
  6. May 7, 20231flash flood warnings
  7. May 8, 20231flash flood warnings
  8. May 14, 20231flash flood warnings
  9. May 30, 20231flash flood warnings
  10. May 31, 20231flash flood warnings
  11. July 12, 20231flash flood warnings
  12. July 29, 20231flash flood warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20222024

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.