Alert archive / Iowa / River Flood Watches

River Flood Watches in Iowa, 2026

86 river flood watches in 2026. 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 river flood watches reaches back to 2005.

River Flood Watches by county

Each county as a circle sized by its count in 2026. Tap one for its archive.

River Flood Watches
86
Busiest month
September30 river flood watches
Busiest day
September 20, 202611 river flood watches

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
Mar 6, 11:18 AM CSTRiver Flood WatchDVNBenton, Iowa47 hr
Mar 6, 11:19 AM CSTRiver Flood WatchDVNLouisa, Muscatine32 hr
Apr 4, 10:23 AM CDTRiver Flood WatchARXClayton46 hr
Apr 4, 11:38 AM CDTRiver Flood WatchDMXBlack Hawk10 hr
Apr 7, 8:33 PM CDTRiver Flood WatchDVNLouisa, Muscatine14 hr
Apr 9, 10:19 AM CDTRiver Flood WatchDVNLouisa6 days
Apr 9, 10:19 AM CDTRiver Flood WatchDVNLouisa6 days
Apr 10, 11:38 AM CDTRiver Flood WatchDVNDes Moines, Lee6 days
Apr 10, 11:38 AM CDTRiver Flood WatchDVNDes Moines7 days
Apr 15, 11:21 AM CDTRiver Flood WatchDVNLouisa21 days
Apr 15, 11:21 AM CDTRiver Flood WatchDVNDes Moines, Louisa21 days
Apr 15, 9:26 PM CDTRiver Flood WatchDVNLouisa, Muscatine21 days
Apr 16, 5:18 AM CDTRiver Flood WatchARXAllamakee, Clayton4 days
Apr 16, 11:30 AM CDTRiver Flood WatchDVNDubuque, Jackson21 days
Apr 18, 11:22 AM CDTRiver Flood WatchDVNClinton, Scott58 hr
Jun 10, 9:41 PM CDTRiver Flood WatchDVNKeokuk22 hr
Jun 11, 5:26 AM CDTRiver Flood WatchDMXAppanoose, Lucas, Monroe, Wayne17 hr
Jun 11, 9:37 AM CDTRiver Flood WatchDMXTaylor10 hr
Jun 11, 2:02 PM CDTRiver Flood WatchDMXDecatur13 hr
Jun 11, 2:54 PM CDTRiver Flood WatchDVNCedar, Jones, Linn5 hr
Jul 2, 2:19 PM CDTRiver Flood WatchDMXBlack Hawk, Bremer, Butler59 hr
Jul 2, 2:19 PM CDTRiver Flood WatchDMXBlack Hawk5 days
Jul 2, 2:19 PM CDTRiver Flood WatchDMXBlack Hawk4 days
Jul 2, 2:21 PM CDTRiver Flood WatchDMXBlack Hawk, Bremer21 days
Jul 2, 2:21 PM CDTRiver Flood WatchDMXFranklin, Wright21 days
Jul 2, 2:21 PM CDTRiver Flood WatchDMXCerro Gordo, Floyd, Worth21 days
Jul 2, 2:57 PM CDTRiver Flood WatchDVNLinn7 days
Jul 2, 2:57 PM CDTRiver Flood WatchDVNCedar, Johnson, Muscatine7 days
Jul 2, 2:57 PM CDTRiver Flood WatchDVNLouisa, Muscatine53 hr
Jul 3, 3:52 AM CDTRiver Flood WatchDMXBlack Hawk22 hr
Jul 3, 6:16 AM CDTRiver Flood WatchDMXJasper, Marion, Polk24 hr
Jul 3, 9:44 AM CDTRiver Flood WatchDMXPoweshiek, Tama59 hr
Jul 3, 11:31 AM CDTRiver Flood WatchDVNBenton, Iowa22 hr
Jul 3, 11:35 AM CDTRiver Flood WatchDVNCedar, Jones, Linn4 days
Jul 3, 11:35 AM CDTRiver Flood WatchDVNClinton, Scott23 hr
Jul 8, 9:03 PM CDTRiver Flood WatchDMXBlack Hawk, Bremer3 days
Jul 8, 9:03 PM CDTRiver Flood WatchDMXBlack Hawk43 hr
Jul 8, 9:03 PM CDTRiver Flood WatchDMXBlack Hawk47 hr
Jul 9, 7:39 AM CDTRiver Flood WatchDMXBlack Hawk, Bremer, Butler21 days
Jul 9, 10:27 AM CDTRiver Flood WatchARXWinneshiek13 hr
Jul 10, 10:24 AM CDTRiver Flood WatchARXAllamakee10 hr
Jul 11, 10:39 AM CDTRiver Flood WatchDVNLouisa, Muscatine4 days
Jul 12, 9:53 AM CDTRiver Flood WatchDMXBlack Hawk3 hr
Jul 31, 9:04 PM CDTRiver Flood WatchDVNClinton, Scott57 hr
Aug 5, 9:02 AM CDTRiver Flood WatchDMXDecatur25 hr
Aug 13, 9:44 AM CDTRiver Flood WatchDVNClinton, Scott81 min
Aug 13, 11:10 AM CDTRiver Flood WatchDVNJohnson, Louisa, Washington68 hr
Aug 13, 11:10 AM CDTRiver Flood WatchDVNLouisa7 days
Aug 13, 11:10 AM CDTRiver Flood WatchDVNLouisa7 days
Aug 13, 11:14 AM CDTRiver Flood WatchDVNJohnson, Washington72 hr
Aug 14, 2:59 PM CDTRiver Flood WatchDVNDes Moines, Henry, Lee18 hr
Aug 14, 2:59 PM CDTRiver Flood WatchDVNKeokuk18 hr
Aug 14, 3:29 PM CDTRiver Flood WatchDVNClinton, Scott18 hr
Sep 9, 1:52 AM CDTRiver Flood WatchDMXPolk3 hr
Sep 9, 7:06 AM CDTRiver Flood WatchDMXWarren8 hr
Sep 15, 4:19 AM CDTRiver Flood WatchDMXPolk5 hr
Sep 15, 6:59 AM CDTRiver Flood WatchDMXPolk8 hr
Sep 15, 8:08 AM CDTRiver Flood WatchDMXCass8 hr
Sep 16, 10:56 AM CDTRiver Flood WatchDVNJohnson, Washington12 hr
Sep 19, 8:42 AM CDTRiver Flood WatchARXFloyd22 hr
Sep 19, 8:54 AM CDTRiver Flood WatchDVNJohnson, Washington20 hr
Sep 19, 8:54 AM CDTRiver Flood WatchDVNLouisa, Muscatine25 hr
Sep 19, 9:37 AM CDTRiver Flood WatchDVNJackson11 hr
Sep 19, 9:37 AM CDTRiver Flood WatchDVNClinton, Scott21 days
Sep 19, 9:37 AM CDTRiver Flood WatchDVNCedar, Jones, Linn35 hr
Sep 19, 8:42 PM CDTRiver Flood WatchDVNLouisa6 days
Sep 19, 8:42 PM CDTRiver Flood WatchDVNLouisa6 days
Sep 19, 10:12 PM CDTRiver Flood WatchDVNMuscatine, Scott4 days
Sep 19, 10:12 PM CDTRiver Flood WatchDVNLouisa, Muscatine5 days
Sep 19, 10:12 PM CDTRiver Flood WatchDVNLouisa6 days
Sep 19, 10:12 PM CDTRiver Flood WatchDVNDes Moines, Louisa6 days
Sep 19, 10:12 PM CDTRiver Flood WatchDVNDes Moines7 days
Sep 19, 10:12 PM CDTRiver Flood WatchDVNMuscatine5 days
Sep 19, 10:12 PM CDTRiver Flood WatchDVNDes Moines, Lee6 days
Sep 19, 10:20 PM CDTRiver Flood WatchDVNKeokuk11 hr
Sep 20, 10:02 AM CDTRiver Flood WatchDVNLouisa35 hr
Sep 29, 9:54 PM CDTRiver Flood WatchDVNJohnson, Washington13 hr
Sep 29, 9:54 PM CDTRiver Flood WatchDVNKeokuk13 hr
Sep 30, 11:07 AM CDTRiver Flood WatchDVNLouisa, Muscatine10 hr
Sep 30, 11:10 AM CDTRiver Flood WatchDVNJohnson, Louisa, Washington10 hr
Sep 30, 11:10 AM CDTRiver Flood WatchDVNLouisa10 hr
Sep 30, 11:10 AM CDTRiver Flood WatchDVNLouisa10 hr
Sep 30, 11:20 AM CDTRiver Flood WatchDVNLee10 hr
Sep 30, 9:33 PM CDTRiver Flood WatchDVNLouisa12 hr
Oct 3, 10:15 AM CDTRiver Flood WatchDMXPoweshiek, Tama11 hr
Oct 4, 9:41 AM CDTRiver Flood WatchDVNCedar, Jones, Linn11 hr

By county

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

1 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. September 20, 202611river flood watches
  2. July 2, 20269river flood watches
  3. September 30, 20267river flood watches
  4. July 3, 20266river flood watches
  5. September 19, 20266river flood watches
  6. June 11, 20265river flood watches
  7. July 9, 20265river flood watches
  8. August 13, 20265river flood watches
  9. April 16, 20263river flood watches
  10. August 14, 20263river flood watches
  11. September 15, 20263river flood watches
  12. March 6, 20262river flood watches

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

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. Warning verification from the Mesonet's Cow. Rebuilt daily.