Alert archive / Iowa / River Flood Warnings
River Flood Warnings in Iowa, 2024
191 river flood warnings in 2024. 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 warnings reaches back to 2005.
River Flood Warnings by county
Each county as a circle sized by its count in 2024. Tap one for its archive.
- River Flood Warnings
- 191
- Busiest month
- June101 river flood warnings
- Busiest day
- June 22, 202427 river 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 7:20 AM CDT | River Flood Warning | DVN | Clinton, Scott | 36 hr |
| Apr 3, 8:22 AM CDT | River Flood Warning | DVN | Des Moines, Henry, Lee | 12 hr |
| Apr 28, 1:49 PM CDT | River Flood Warning | DVN | Des Moines, Henry, Lee | 19 hr |
| Apr 30, 8:50 AM CDT | River Flood Warning | FSD | Dickinson | 15 days |
| May 1, 7:17 AM CDT | River Flood Warning | FSD | Clay | 17 days |
| May 2, 8:50 AM CDT | River Flood Warning | FSD | Clay | 3 days |
| May 2, 8:50 AM CDT | River Flood Warning | FSD | Cherokee | 13 days |
| May 2, 9:33 AM CDT | River Flood Warning | FSD | Clay | 21 days |
| May 2, 2:06 PM CDT | River Flood Warning | FSD | O'Brien | 24 hr |
| May 2, 4:26 PM CDT | River Flood Warning | DMX | Humboldt, Kossuth | 7 days |
| May 2, 9:25 PM CDT | River Flood Warning | DVN | Johnson, Washington | 16 hr |
| May 3, 7:23 AM CDT | River Flood Warning | DVN | Lee | 27 hr |
| May 3, 3:10 PM CDT | River Flood Warning | DMX | Humboldt | 9 days |
| May 3, 8:22 PM CDT | River Flood Warning | FSD | Buena Vista, Cherokee, Clay, O'Brien | 4 days |
| May 4, 9:25 AM CDT | River Flood Warning | DVN | Des Moines, Henry, Lee | 10 hr |
| May 4, 11:18 AM CDT | River Flood Warning | DMX | Webster | 7 days |
| May 6, 1:27 PM CDT | River Flood Warning | FSD | Clay | 7 days |
| May 7, 7:37 AM CDT | River Flood Warning | DMX | Polk | 59 hr |
| May 7, 7:37 AM CDT | River Flood Warning | DMX | Polk | 32 hr |
| May 8, 9:42 AM CDT | River Flood Warning | FSD | Buena Vista, Cherokee, Clay, O'Brien | 4 days |
| May 8, 9:24 PM CDT | River Flood Warning | DMX | Cerro Gordo, Floyd, Worth | 13 hr |
| May 9, 5:58 AM CDT | River Flood Warning | FSD | O'Brien | 27 hr |
| May 9, 11:24 AM CDT | River Flood Warning | DMX | Black Hawk | 21 hr |
| May 9, 8:38 PM CDT | River Flood Warning | DVN | Clinton, Scott | 7 days |
| May 9, 8:45 PM CDT | River Flood Warning | DMX | Boone, Hamilton, Webster | 46 hr |
| May 10, 8:13 AM CDT | River Flood Warning | DMX | Black Hawk, Bremer, Butler | 29 hr |
| May 14, 9:05 PM CDT | River Flood Warning | DVN | Des Moines | 3 days |
| May 14, 9:05 PM CDT | River Flood Warning | DVN | Des Moines, Lee | 3 days |
| May 20, 10:17 PM CDT | River Flood Warning | DVN | Keokuk | 7 days |
| May 21, 8:55 AM CDT | River Flood Warning | FSD | O'Brien, Sioux | 51 hr |
| May 21, 8:55 AM CDT | River Flood Warning | FSD | Clay | 24 days |
| May 21, 8:55 AM CDT | River Flood Warning | FSD | Clay | 5 days |
| May 21, 9:40 AM CDT | River Flood Warning | DVN | Benton, Iowa | 14 days |
| May 21, 10:03 AM CDT | River Flood Warning | OAX | Pottawattamie | 49 hr |
| May 21, 10:03 AM CDT | River Flood Warning | OAX | Fremont, Mills | 62 hr |
| May 21, 10:03 AM CDT | River Flood Warning | OAX | Mills | 55 hr |
| May 21, 10:03 AM CDT | River Flood Warning | OAX | Fremont | 57 hr |
| May 21, 10:09 AM CDT | River Flood Warning | DMX | Cass | 15 hr |
| May 21, 11:14 AM CDT | River Flood Warning | DMX | Tama | 8 days |
| May 21, 11:24 AM CDT | River Flood Warning | ARX | Winneshiek | 29 hr |
| May 21, 11:24 AM CDT | River Flood Warning | ARX | Clayton | 53 hr |
| May 21, 1:16 PM CDT | River Flood Warning | OAX | Montgomery | 18 hr |
| May 21, 3:20 PM CDT | River Flood Warning | DMX | Polk | 7 hr |
| May 21, 3:26 PM CDT | River Flood Warning | DMX | Polk | 4 days |
| May 21, 3:26 PM CDT | River Flood Warning | DMX | Polk | 4 days |
| May 21, 7:53 PM CDT | River Flood Warning | DMX | Webster | 4 days |
| May 21, 8:05 PM CDT | River Flood Warning | DMX | Humboldt, Kossuth | 66 hr |
| May 21, 8:08 PM CDT | River Flood Warning | OAX | Fremont | 10 hr |
| May 21, 8:43 PM CDT | River Flood Warning | DMX | Black Hawk | 61 hr |
| May 21, 8:50 PM CDT | River Flood Warning | DMX | Marshall | 58 hr |
| May 21, 9:30 PM CDT | River Flood Warning | FSD | Clay | 21 days |
| May 22, 12:12 AM CDT | River Flood Warning | FSD | Cherokee | 6 days |
| May 22, 4:30 AM CDT | River Flood Warning | DMX | Black Hawk, Butler | 29 hr |
| May 22, 5:13 AM CDT | River Flood Warning | ARX | Clayton | 29 hr |
| May 22, 10:57 AM CDT | River Flood Warning | DVN | Johnson, Washington | 10 hr |
| May 22, 11:10 AM CDT | River Flood Warning | DMX | Black Hawk | 71 hr |
| May 22, 11:10 AM CDT | River Flood Warning | DMX | Black Hawk, Bremer, Butler | 32 hr |
| May 22, 12:25 PM CDT | River Flood Warning | DVN | Cedar, Jones, Linn | 10 days |
| May 22, 8:57 PM CDT | River Flood Warning | DMX | Black Hawk | 40 hr |
| May 23, 9:42 AM CDT | River Flood Warning | DVN | Cedar | 4 days |
| May 23, 9:45 AM CDT | River Flood Warning | DVN | Louisa, Muscatine | 11 days |
| May 23, 9:49 AM CDT | River Flood Warning | DVN | Linn | 3 days |
| May 23, 10:01 AM CDT | River Flood Warning | DMX | Boone, Hamilton, Webster | 3 days |
| May 23, 9:08 PM CDT | River Flood Warning | DVN | Clinton, Scott | 15 days |
| May 24, 7:32 AM CDT | River Flood Warning | FSD | Dickinson | 19 days |
| May 24, 9:07 AM CDT | River Flood Warning | FSD | Buena Vista, Cherokee, Clay, O'Brien | 6 days |
| May 24, 11:00 AM CDT | River Flood Warning | DMX | Polk | 24 hr |
| May 24, 11:00 AM CDT | River Flood Warning | DMX | Humboldt | 62 hr |
| May 24, 4:36 PM CDT | River Flood Warning | FSD | Clay | 19 days |
| May 24, 4:45 PM CDT | River Flood Warning | DVN | Louisa | 10 days |
| May 24, 4:45 PM CDT | River Flood Warning | DVN | Louisa | 10 days |
| May 24, 4:56 PM CDT | River Flood Warning | DVN | Cedar, Johnson, Muscatine | 4 days |
| May 24, 9:00 PM CDT | River Flood Warning | DMX | Emmet | 37 hr |
| May 25, 8:33 PM CDT | River Flood Warning | DVN | Des Moines | 21 days |
| May 25, 8:33 PM CDT | River Flood Warning | DVN | Des Moines, Lee | 21 days |
| May 25, 8:33 PM CDT | River Flood Warning | DVN | Des Moines, Louisa | 15 days |
| May 27, 6:34 AM CDT | River Flood Warning | DVN | Buchanan, Linn | 26 hr |
| May 28, 10:56 AM CDT | River Flood Warning | DVN | Louisa | 10 days |
| Jun 1, 2:40 AM CDT | River Flood Warning | FSD | O'Brien, Sioux | 12 hr |
| Jun 1, 9:37 AM CDT | River Flood Warning | DMX | Emmet | 4 days |
| Jun 1, 10:51 AM CDT | River Flood Warning | FSD | O'Brien | 21 days |
| Jun 1, 8:45 PM CDT | River Flood Warning | FSD | Clay | 6 days |
| Jun 2, 9:15 AM CDT | River Flood Warning | OAX | Fremont | 4 days |
| Jun 3, 8:31 AM CDT | River Flood Warning | FSD | Cherokee | 21 days |
| Jun 4, 9:57 AM CDT | River Flood Warning | FSD | Buena Vista, Cherokee, Clay, O'Brien | 3 days |
| Jun 4, 8:42 PM CDT | River Flood Warning | DMX | Humboldt | 23 hr |
| Jun 4, 8:43 PM CDT | River Flood Warning | DMX | Humboldt, Kossuth | 23 hr |
| Jun 5, 7:53 AM CDT | River Flood Warning | FSD | Dickinson | 21 days |
| Jun 16, 7:58 PM CDT | River Flood Warning | FSD | Clay | 31 days |
| Jun 16, 7:58 PM CDT | River Flood Warning | FSD | Dickinson | 22 days |
| Jun 16, 7:58 PM CDT | River Flood Warning | FSD | Clay | 32 days |
| Jun 17, 8:28 AM CDT | River Flood Warning | FSD | Clay | 15 days |
| Jun 17, 8:27 PM CDT | River Flood Warning | FSD | O'Brien | 21 days |
| Jun 17, 11:20 PM CDT | River Flood Warning | FSD | Dickinson | 21 days |
| Jun 18, 12:22 AM CDT | River Flood Warning | DMX | Emmet | 20 hr |
| Jun 18, 8:53 AM CDT | River Flood Warning | FSD | Cherokee | 42 hr |
| Jun 19, 11:43 AM CDT | River Flood Warning | FSD | Buena Vista, Cherokee, Clay, O'Brien | 14 days |
| Jun 20, 6:14 PM CDT | River Flood Warning | FSD | Lyon | 7 days |
| Jun 21, 1:24 AM CDT | River Flood Warning | FSD | Lyon, Sioux | 21 days |
| Jun 21, 1:24 AM CDT | River Flood Warning | FSD | Sioux | 21 days |
| Jun 21, 1:24 AM CDT | River Flood Warning | FSD | Dickinson | 9 days |
| Jun 21, 1:24 AM CDT | River Flood Warning | FSD | Dickinson | 12 days |
| Jun 21, 1:24 AM CDT | River Flood Warning | FSD | O'Brien, Sioux | 3 days |
| Jun 21, 1:24 AM CDT | River Flood Warning | FSD | Plymouth | 21 days |
| Jun 21, 1:24 AM CDT | River Flood Warning | FSD | Cherokee | 21 days |
| Jun 21, 1:24 AM CDT | River Flood Warning | FSD | Plymouth, Sioux | 4 days |
| Jun 21, 1:24 AM CDT | River Flood Warning | FSD | Lyon, Sioux | 5 days |
| Jun 21, 3:19 AM CDT | River Flood Warning | FSD | Lyon | 13 days |
| Jun 21, 4:11 AM CDT | River Flood Warning | FSD | Sioux | 12 hr |
| Jun 21, 5:43 AM CDT | River Flood Warning | DMX | Emmet | 22 days |
| Jun 21, 6:24 AM CDT | River Flood Warning | FSD | O'Brien | 9 days |
| Jun 21, 6:29 AM CDT | River Flood Warning | FSD | O'Brien | 21 days |
| Jun 21, 7:39 AM CDT | River Flood Warning | FSD | Lyon | 21 days |
| Jun 21, 7:39 AM CDT | River Flood Warning | FSD | Lyon | 21 days |
| Jun 21, 9:44 AM CDT | River Flood Warning | FSD | Clay, O'Brien | 4 days |
| Jun 21, 11:35 AM CDT | River Flood Warning | DMX | Webster | 21 days |
| Jun 21, 11:53 AM CDT | River Flood Warning | DMX | Palo Alto, Pocahontas | 21 days |
| Jun 21, 11:53 AM CDT | River Flood Warning | DMX | Humboldt | 24 days |
| Jun 21, 12:01 PM CDT | River Flood Warning | DMX | Humboldt, Kossuth | 21 days |
| Jun 21, 12:41 PM CDT | River Flood Warning | FSD | Plymouth, Sioux | 72 hr |
| Jun 21, 12:41 PM CDT | River Flood Warning | FSD | Plymouth | 4 days |
| Jun 21, 12:41 PM CDT | River Flood Warning | FSD | Plymouth | 4 days |
| Jun 21, 12:41 PM CDT | River Flood Warning | FSD | Cherokee, Ida, Woodbury | 21 days |
| Jun 21, 4:24 PM CDT | River Flood Warning | ARX | Winneshiek | 57 hr |
| Jun 21, 9:30 PM CDT | River Flood Warning | DMX | Cerro Gordo, Floyd, Worth | 4 days |
| Jun 21, 11:13 PM CDT | River Flood Warning | ARX | Floyd | 4 days |
| Jun 21, 11:30 PM CDT | River Flood Warning | ARX | Allamakee | 3 days |
| Jun 22, 3:40 AM CDT | River Flood Warning | FSD | O'Brien | 21 days |
| Jun 22, 3:40 AM CDT | River Flood Warning | FSD | Dickinson | 23 days |
| Jun 22, 3:40 AM CDT | River Flood Warning | FSD | Clay | 21 days |
| Jun 22, 3:40 AM CDT | River Flood Warning | FSD | Sioux | 21 days |
| Jun 22, 3:40 AM CDT | River Flood Warning | FSD | Dickinson | 21 days |
| Jun 22, 3:40 AM CDT | River Flood Warning | FSD | Plymouth | 21 days |
| Jun 22, 3:40 AM CDT | River Flood Warning | FSD | Plymouth, Woodbury | 3 days |
| Jun 22, 7:18 AM CDT | River Flood Warning | FSD | Cherokee | 29 hr |
| Jun 22, 10:32 AM CDT | River Flood Warning | FSD | Woodbury | 6 days |
| Jun 22, 10:49 AM CDT | River Flood Warning | ARX | Clayton | 49 hr |
| Jun 22, 10:49 AM CDT | River Flood Warning | ARX | Clayton | 68 hr |
| Jun 22, 11:09 AM CDT | River Flood Warning | DVN | Dubuque, Jackson | 27 days |
| Jun 22, 11:34 AM CDT | River Flood Warning | ARX | Allamakee, Clayton | 26 days |
| Jun 22, 11:42 AM CDT | River Flood Warning | DMX | Boone, Hamilton, Webster | 21 days |
| Jun 22, 11:42 AM CDT | River Flood Warning | DMX | Humboldt | 5 days |
| Jun 22, 11:46 AM CDT | River Flood Warning | DMX | Black Hawk, Bremer, Butler | 6 days |
| Jun 22, 11:51 AM CDT | River Flood Warning | DMX | Black Hawk | 16 days |
| Jun 22, 11:51 AM CDT | River Flood Warning | DMX | Black Hawk, Bremer, Butler | 4 days |
| Jun 22, 11:51 AM CDT | River Flood Warning | DMX | Black Hawk | 6 days |
| Jun 22, 12:10 PM CDT | River Flood Warning | OAX | Harrison, Pottawattamie | 10 days |
| Jun 22, 12:20 PM CDT | River Flood Warning | OAX | Pottawattamie | 12 days |
| Jun 22, 12:31 PM CDT | River Flood Warning | OAX | Mills | 13 days |
| Jun 22, 1:03 PM CDT | River Flood Warning | OAX | Fremont | 14 days |
| Jun 22, 1:13 PM CDT | River Flood Warning | OAX | Monona | 7 days |
| Jun 22, 10:28 PM CDT | River Flood Warning | ARX | Clayton | 24 days |
| Jun 23, 7:39 AM CDT | River Flood Warning | FSD | Plymouth | 21 days |
| Jun 23, 7:50 AM CDT | River Flood Warning | OAX | Monona | 6 days |
| Jun 23, 10:50 AM CDT | River Flood Warning | FSD | Woodbury | 4 days |
| Jun 23, 12:33 PM CDT | River Flood Warning | DVN | Des Moines | 35 days |
| Jun 23, 12:33 PM CDT | River Flood Warning | DVN | Des Moines, Lee | 35 days |
| Jun 23, 9:02 PM CDT | River Flood Warning | DVN | Muscatine, Scott | 30 days |
| Jun 23, 9:02 PM CDT | River Flood Warning | DVN | Dubuque | 25 days |
| Jun 23, 9:02 PM CDT | River Flood Warning | DVN | Clinton, Scott | 28 days |
| Jun 24, 12:18 PM CDT | River Flood Warning | DVN | Louisa | 31 days |
| Jun 24, 12:18 PM CDT | River Flood Warning | DVN | Des Moines, Louisa | 32 days |
| Jun 24, 9:54 PM CDT | River Flood Warning | DVN | Louisa, Muscatine | 30 days |
| Jun 25, 11:37 AM CDT | River Flood Warning | DVN | Benton | 69 hr |
| Jun 25, 11:37 AM CDT | River Flood Warning | DVN | Linn | 5 days |
| Jun 25, 12:27 PM CDT | River Flood Warning | DVN | Muscatine | 28 days |
| Jun 25, 12:27 PM CDT | River Flood Warning | DVN | Clinton | 25 days |
| Jun 25, 12:27 PM CDT | River Flood Warning | DVN | Clinton, Jackson | 22 days |
| Jun 25, 12:27 PM CDT | River Flood Warning | DVN | Scott | 25 days |
| Jun 25, 8:24 PM CDT | River Flood Warning | DVN | Cedar | 5 days |
| Jun 26, 10:00 AM CDT | River Flood Warning | DVN | Louisa, Muscatine | 17 days |
| Jun 26, 10:00 AM CDT | River Flood Warning | DVN | Cedar, Johnson, Muscatine | 5 days |
| Jun 26, 10:00 AM CDT | River Flood Warning | DVN | Louisa | 9 days |
| Jun 26, 10:00 AM CDT | River Flood Warning | DVN | Louisa | 18 days |
| Jun 26, 11:56 AM CDT | River Flood Warning | DVN | Lee | 27 days |
| Jun 28, 11:08 AM CDT | River Flood Warning | DMX | Cerro Gordo, Floyd, Worth | 19 hr |
| Jun 28, 11:08 AM CDT | River Flood Warning | DMX | Black Hawk, Bremer, Butler | 4 days |
| Jun 28, 9:03 PM CDT | River Flood Warning | DVN | Clinton, Scott | 21 days |
| Jun 28, 10:04 PM CDT | River Flood Warning | ARX | Allamakee | 21 days |
| Jul 1, 12:52 PM CDT | River Flood Warning | DMX | Black Hawk, Bremer, Butler | 6 days |
| Jul 2, 11:26 AM CDT | River Flood Warning | DVN | Delaware, Jones | 21 hr |
| Jul 2, 4:20 PM CDT | River Flood Warning | DMX | Cerro Gordo, Floyd, Worth | 19 hr |
| Jul 2, 4:49 PM CDT | River Flood Warning | ARX | Floyd | 41 hr |
| Jul 2, 8:54 PM CDT | River Flood Warning | DVN | Keokuk | 35 hr |
| Jul 3, 9:02 AM CDT | River Flood Warning | DVN | Johnson, Washington | 14 hr |
| Jul 4, 8:41 PM CDT | River Flood Warning | DMX | Humboldt, Kossuth | 4 days |
| Jul 7, 10:19 AM CDT | River Flood Warning | DVN | Cedar | 53 hr |
| Jul 8, 9:25 PM CDT | River Flood Warning | DMX | Boone, Hamilton, Webster | 49 hr |
| Jul 16, 9:32 AM CDT | River Flood Warning | DVN | Clinton, Scott | 35 hr |
| Jul 31, 7:54 AM CDT | River Flood Warning | DMX | Davis, Wapello | 18 hr |
| Jul 31, 11:06 AM CDT | River Flood Warning | DVN | Lee | 35 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clay County19
- O'Brien County16
- Black Hawk County13
- Cherokee County12
- Des Moines County11
- Louisa County11
- Humboldt County10
- Sioux County10
- Lee County9
- Dickinson County9
- Clinton County8
- Scott County8
- Plymouth County8
- Webster County7
- Butler County7
- Muscatine County7
- Polk County6
- Floyd County6
- Bremer County6
- Clayton County6
- Cedar County6
- Lyon County6
- Kossuth County5
- Johnson County5
- Buena Vista County5
- Fremont County5
- Cerro Gordo County4
- Worth County4
- Boone County4
- Hamilton County4
- Linn County4
- Emmet County4
- Woodbury County4
- Henry County3
- Washington County3
- Pottawattamie County3
- Mills County3
- Allamakee County3
- Keokuk County2
- Benton County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.