Alert archive / Iowa / Flood Watches
Flood Watches in Iowa, 2026
45 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 flood watches reaches back to 2005.
Flood Watches by county
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Flood Watches
- 45
- Busiest month
- June13 flood watches
- Busiest day
- July 2, 20264 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 15, 2:50 AM CDT | Flood Watch | DVN | Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more | 20 hr |
| Apr 17, 12:46 PM CDT | Flood Watch | DVN | Buchanan, Cedar, Clinton, Delaware, Des Moines, Dubuque and 10 more | 12 hr |
| Apr 26, 10:29 AM CDT | Flood Watch | OAX | Fremont, Page | 19 hr |
| May 16, 8:43 PM CDT | Flood Watch | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 6 hr |
| May 16, 10:01 PM CDT | Flood Watch | DMX | Adams, Decatur, Ringgold, Taylor, Wayne | 10 hr |
| May 17, 11:52 AM CDT | Flood Watch | OAX | Fremont, Mills, Montgomery, Page | 34 hr |
| May 18, 10:51 AM CDT | Flood Watch | DMX | Adams, Clarke, Decatur, Ringgold, Taylor, Union and 1 more | 16 hr |
| Jun 4, 3:42 AM CDT | Flood Watch | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 18 hr |
| Jun 4, 3:54 AM CDT | Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 26 more | 27 hr |
| Jun 5, 12:42 PM CDT | Flood Watch | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 18 hr |
| Jun 5, 12:43 PM CDT | Flood Watch | DMX | Adair, Adams, Appanoose, Cass, Clarke, Davis and 12 more | 17 hr |
| Jun 7, 11:46 AM CDT | Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 31 hr |
| Jun 7, 10:37 PM CDT | Flood Watch | DMX | Appanoose, Davis, Mahaska, Marion, Monroe, Wapello and 1 more | 9 hr |
| Jun 10, 10:58 AM CDT | Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 32 hr |
| Jun 10, 11:02 AM CDT | Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 18 more | 29 hr |
| Jun 11, 2:47 AM CDT | Flood Watch | ARX | Allamakee, Clayton, Fayette, Winneshiek | 15 hr |
| Jun 16, 1:36 PM CDT | Flood Watch | DVN | Cedar, Clinton, Des Moines, Henry, Iowa, Jefferson and 8 more | 29 hr |
| Jun 19, 12:16 PM CDT | Flood Watch | OAX | Fremont, Page | 43 hr |
| Jun 20, 2:13 AM CDT | Flood Watch | DVN | Des Moines, Henry, Jefferson, Lee, Van Buren | 35 hr |
| Jun 20, 12:32 PM CDT | Flood Watch | DMX | Appanoose, Davis, Decatur, Monroe, Ringgold, Taylor and 2 more | 24 hr |
| Jul 2, 8:07 AM CDT | Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 36 hr |
| Jul 2, 12:37 PM CDT | Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 13 more | 55 hr |
| Jul 2, 1:05 PM CDT | Flood Watch | DMX | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 39 more | 42 hr |
| Jul 2, 1:17 PM CDT | Flood Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 16 hr |
| Jul 2, 11:40 PM CDT | Flood Watch | OAX | Harrison, Monona, Shelby | 5 hr |
| Jul 8, 12:37 PM CDT | Flood Watch | ARX | Allamakee, Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 10 hr |
| Jul 8, 2:09 PM CDT | Flood Watch | DMX | Black Hawk, Boone, Bremer, Butler, Cerro Gordo, Dallas and 13 more | 13 hr |
| Aug 5, 2:03 AM CDT | Flood Watch | DVN | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 2 more | 16 hr |
| Aug 5, 2:14 AM CDT | Flood Watch | DMX | Appanoose, Davis, Wapello | 14 hr |
| Aug 13, 2:22 AM CDT | Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 56 hr |
| Aug 13, 2:53 AM CDT | Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 38 more | 55 hr |
| Aug 14, 9:52 AM CDT | Flood Watch | OAX | Harrison, Monona, Pottawattamie, Shelby | 7 hr |
| Sep 6, 10:23 AM CDT | Flood Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 9 hr |
| Sep 6, 11:05 AM CDT | Flood Watch | OAX | Harrison, Monona, Shelby | 9 hr |
| Sep 6, 12:12 PM CDT | Flood Watch | DMX | Calhoun, Crawford, Emmet, Palo Alto, Pocahontas, Sac | 10 hr |
| Sep 13, 8:19 PM CDT | Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 34 more | 3 days |
| Sep 14, 11:24 AM CDT | Flood Watch | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 50 hr |
| Sep 16, 12:32 PM CDT | Flood Watch | DVN | Benton, Cedar, Clinton, Des Moines, Henry, Iowa and 12 more | 20 hr |
| Sep 17, 8:08 PM CDT | Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 59 hr |
| Sep 18, 1:23 AM CDT | Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more | 60 hr |
| Sep 18, 1:22 PM CDT | Flood Watch | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Worth | 22 hr |
| Sep 28, 1:10 PM CDT | Flood Watch | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 3 days |
| Sep 28, 1:42 PM CDT | Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 3 days |
| Sep 28, 1:44 PM CDT | Flood Watch | FSD | Buena Vista, Cherokee, Clay, Ida, Woodbury | 33 hr |
| Sep 30, 1:46 AM CDT | Flood Watch | DVN | Benton, Cedar, Clinton, Des Moines, Henry, Iowa and 11 more | 47 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Des Moines County10
- Henry County10
- Louisa County10
- Washington County10
- Wayne County10
- Jackson County9
- Jones County9
- Linn County9
- Cedar County9
- Clinton County9
- Johnson County9
- Muscatine County9
- Scott County9
- Adams County9
- Decatur County9
- Ringgold County9
- Taylor County9
- Appanoose County9
- Monroe County9
- Wapello County9
- Jefferson County9
- Keokuk County9
- Benton County8
- Lee County8
- Fremont County8
- Page County8
- Clarke County8
- Union County8
- Marion County8
- Davis County8
- Iowa County8
- Van Buren County8
- Buchanan County7
- Delaware County7
- Dubuque County7
- Adair County7
- Black Hawk County7
- Bremer County7
- Butler County7
- Cass County7
59 more counties
- Dallas County7
- Jasper County7
- Lucas County7
- Madison County7
- Polk County7
- Warren County7
- Mahaska County7
- Mills County6
- Montgomery County6
- Pottawattamie County6
- Audubon County6
- Boone County6
- Franklin County6
- Grundy County6
- Guthrie County6
- Hamilton County6
- Hardin County6
- Marshall County6
- Story County6
- Tama County6
- Greene County5
- Poweshiek County5
- Calhoun County5
- Wright County5
- Allamakee County4
- Winneshiek County4
- Carroll County4
- Cerro Gordo County4
- Crawford County4
- Pocahontas County4
- Sac County4
- Webster County4
- Worth County4
- Harrison County4
- Monona County4
- Shelby County4
- Clayton County3
- Fayette County3
- Chickasaw County3
- Floyd County3
- Howard County3
- Mitchell County3
- Emmet County3
- Hancock County3
- Humboldt County3
- Palo Alto County3
- Winnebago County3
- Buena Vista County3
- Cherokee County3
- Clay County3
- Ida County3
- Woodbury County3
- Kossuth County2
- Dickinson County2
- Lyon County2
- O'Brien County2
- Osceola County2
- Plymouth County2
- Sioux County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
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.