Alert archive / Iowa / Flood Watches
Flood Watches in Iowa, 2024
30 flood watches 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 flood watches reaches back to 2005.
Flood Watches by county
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Flood Watches
- 30
- Busiest month
- May11 flood watches
- Busiest day
- April 27, 20243 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 3:29 AM CDT | Flood Watch | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 18 hr |
| Apr 27, 1:12 PM CDT | Flood Watch | DVN | Des Moines, Henry, Jefferson, Lee, Van Buren | 13 hr |
| Apr 27, 1:17 PM CDT | Flood Watch | DMX | Adams, Appanoose, Cass, Clarke, Davis, Decatur and 7 more | 12 hr |
| May 2, 2:58 PM CDT | Flood Watch | DMX | Appanoose, Davis, Decatur, Lucas, Mahaska, Marion and 3 more | 9 hr |
| May 2, 2:58 PM CDT | Flood Watch | DVN | Henry, Jefferson, Keokuk, Van Buren, Washington | 9 hr |
| May 20, 1:45 PM CDT | Flood Watch | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 25 hr |
| May 20, 1:50 PM CDT | Flood Watch | DMX | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 37 more | 29 hr |
| May 20, 1:52 PM CDT | Flood Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien and 1 more | 27 hr |
| May 21, 1:31 AM CDT | Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 19 hr |
| May 21, 1:45 AM CDT | Flood Watch | DVN | Benton, Buchanan, Delaware, Iowa, Johnson, Linn | 19 hr |
| May 23, 3:30 PM CDT | Flood Watch | OAX | Harrison, Monona, Pottawattamie, Shelby | 12 hr |
| May 24, 2:25 AM CDT | Flood Watch | DMX | Adair, Audubon, Black Hawk, Boone, Bremer, Butler and 30 more | 14 hr |
| May 24, 2:38 AM CDT | Flood Watch | ARX | Chickasaw, Clayton, Fayette, Floyd | 13 hr |
| May 24, 2:38 AM CDT | Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more | 13 hr |
| Jun 20, 3:26 AM CDT | Flood Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien and 3 more | 64 hr |
| Jun 20, 2:34 PM CDT | Flood Watch | DMX | Black Hawk, Bremer, Butler, Calhoun, Cerro Gordo, Emmet and 14 more | 52 hr |
| Jun 20, 3:07 PM CDT | Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 52 hr |
| Jun 21, 8:39 PM CDT | Flood Watch | DVN | Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more | 25 hr |
| Jun 25, 11:10 AM CDT | Flood Watch | DVN | Cedar, Des Moines, Henry, Iowa, Jefferson, Johnson and 7 more | 15 hr |
| Jul 1, 12:04 PM CDT | Flood Watch | OAX | Harrison, Mills, Monona, Pottawattamie, Shelby | 17 hr |
| Jul 1, 12:08 PM CDT | Flood Watch | FSD | Buena Vista, Cherokee, Clay, Ida, O'Brien, Plymouth and 2 more | 15 hr |
| Jul 1, 1:18 PM CDT | Flood Watch | DMX | Adair, Audubon, Boone, Calhoun, Carroll, Cass and 21 more | 22 hr |
| Jul 2, 2:04 AM CDT | Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 23 hr |
| Jul 2, 2:08 AM CDT | Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 37 more | 17 hr |
| Jul 2, 3:01 AM CDT | Flood Watch | ARX | Clayton, Fayette | 20 hr |
| Jul 28, 11:08 PM CDT | Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 18 more | 5 hr |
| Jul 28, 11:12 PM CDT | Flood Watch | DVN | Cedar, Des Moines, Henry, Iowa, Jefferson, Johnson and 7 more | 8 hr |
| Jul 30, 2:15 PM CDT | Flood Watch | DVN | Cedar, Des Moines, Henry, Iowa, Jefferson, Johnson and 7 more | 44 hr |
| Jul 30, 3:27 PM CDT | Flood Watch | DMX | Boone, Calhoun, Carroll, Dallas, Davis, Greene and 14 more | 16 hr |
| Aug 14, 5:10 PM CDT | Flood Watch | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 9 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Henry County6
- Jefferson County6
- Van Buren County6
- Cass County6
- Mahaska County6
- Marion County6
- Keokuk County6
- Washington County6
- Calhoun County6
- Dallas County6
- Guthrie County6
- Hamilton County6
- Madison County6
- Polk County6
- Webster County6
- Iowa County6
- Johnson County6
- Pottawattamie County5
- Des Moines County5
- Lee County5
- Davis County5
- Monroe County5
- Wapello County5
- Adair County5
- Audubon County5
- Boone County5
- Carroll County5
- Cerro Gordo County5
- Franklin County5
- Greene County5
- Hardin County5
- Jasper County5
- Poweshiek County5
- Sac County5
- Story County5
- Warren County5
- Wright County5
- Cedar County5
- Louisa County5
- Muscatine County5
59 more counties
- Scott County5
- Harrison County4
- Mills County4
- Monona County4
- Shelby County4
- Adams County4
- Appanoose County4
- Clarke County4
- Decatur County4
- Lucas County4
- Taylor County4
- Union County4
- Wayne County4
- Black Hawk County4
- Bremer County4
- Butler County4
- Crawford County4
- Grundy County4
- Hancock County4
- Humboldt County4
- Kossuth County4
- Marshall County4
- Palo Alto County4
- Pocahontas County4
- Clayton County4
- Fayette County4
- Benton County4
- Buchanan County4
- Delaware County4
- Linn County4
- Fremont County3
- Montgomery County3
- Page County3
- Ringgold County3
- Tama County3
- Winnebago County3
- Worth County3
- Buena Vista County3
- Cherokee County3
- Clay County3
- O'Brien County3
- Chickasaw County3
- Floyd County3
- Dubuque County3
- Jackson County3
- Jones County3
- Emmet County2
- Dickinson County2
- Ida County2
- Woodbury County2
- Allamakee County2
- Howard County2
- Mitchell County2
- Winneshiek County2
- Clinton County2
- Plymouth County2
- Sioux County2
- Lyon County1
- Osceola County1
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.