Alert archive / Iowa / Red Flag Warnings
Red Flag Warnings in Iowa, 2026
29 red flag warnings 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 red flag warnings reaches back to 2005.
Red Flag Warnings by county
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Red Flag Warnings
- 29
- Busiest month
- March13 red flag warnings
- Busiest day
- February 18, 20265 red flag 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 |
|---|---|---|---|---|
| Feb 17, 7:43 PM CST | Red Flag Warning | OAX | Harrison, Monona, Montgomery, Pottawattamie, Shelby | 22 hr |
| Feb 17, 8:15 PM CST | Red Flag Warning | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 23 hr |
| Feb 17, 8:25 PM CST | Red Flag Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 23 hr |
| Feb 17, 10:06 PM CST | Red Flag Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 20 hr |
| Feb 18, 12:30 AM CST | Red Flag Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 18 hr |
| Feb 26, 9:12 PM CST | Red Flag Warning | OAX | Monona | 21 hr |
| Feb 26, 9:28 PM CST | Red Flag Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 21 hr |
| Feb 26, 9:40 PM CST | Red Flag Warning | DMX | Appanoose, Clarke, Davis, Decatur, Emmet, Humboldt and 12 more | 20 hr |
| Feb 27, 1:35 AM CST | Red Flag Warning | DVN | Des Moines, Henry, Jefferson, Lee, Louisa, Muscatine and 2 more | 16 hr |
| Mar 11, 12:08 PM CDT | Red Flag Warning | DMX | Adair, Adams, Audubon, Carroll, Cass, Crawford and 4 more | 33 hr |
| Mar 11, 12:19 PM CDT | Red Flag Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 36 hr |
| Mar 11, 8:50 PM CDT | Red Flag Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 23 hr |
| Mar 20, 8:46 AM CDT | Red Flag Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 43 hr |
| Mar 20, 12:00 PM CDT | Red Flag Warning | FSD | Ida, Plymouth, Woodbury | 34 hr |
| Mar 20, 9:07 PM CDT | Red Flag Warning | DMX | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 14 more | 25 hr |
| Mar 26, 1:11 PM CDT | Red Flag Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 31 hr |
| Mar 26, 1:42 PM CDT | Red Flag Warning | DMX | Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 26 more | 31 hr |
| Mar 27, 8:31 AM CDT | Red Flag Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 37 hr |
| Mar 27, 11:17 AM CDT | Red Flag Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 32 hr |
| Mar 27, 11:17 AM CDT | Red Flag Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 34 hr |
| Mar 27, 11:52 AM CDT | Red Flag Warning | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 33 hr |
| Mar 27, 11:59 AM CDT | Red Flag Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 33 hr |
| Apr 11, 1:52 PM CDT | Red Flag Warning | FSD | Lyon, Plymouth, Sioux | 29 hr |
| Apr 15, 12:28 PM CDT | Red Flag Warning | FSD | Lyon, Plymouth, Sioux, Woodbury | 32 hr |
| Apr 15, 9:28 PM CDT | Red Flag Warning | OAX | Monona | 22 hr |
| Apr 17, 12:22 PM CDT | Red Flag Warning | OAX | Monona | 32 hr |
| Apr 21, 12:54 PM CDT | Red Flag Warning | FSD | Lyon, Osceola, Sioux | 31 hr |
| May 11, 3:07 PM CDT | Red Flag Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 30 hr |
| May 13, 1:54 PM CDT | Red Flag Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 30 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lyon County9
- Plymouth County9
- Sioux County9
- Monona County8
- Woodbury County8
- Ida County7
- Osceola County7
- Ringgold County6
- Taylor County6
- Union County6
- Buena Vista County6
- Cherokee County6
- Clay County6
- Dickinson County6
- O'Brien County6
- Harrison County5
- Montgomery County5
- Pottawattamie County5
- Shelby County5
- Adair County5
- Adams County5
- Audubon County5
- Carroll County5
- Cass County5
- Clarke County5
- Crawford County5
- Decatur County5
- Guthrie County5
- Sac County5
- Appanoose County4
- Boone County4
- Calhoun County4
- Dallas County4
- Davis County4
- Greene County4
- Lucas County4
- Madison County4
- Monroe County4
- Polk County4
- Wapello County4
59 more counties
- Warren County4
- Wayne County4
- Fremont County4
- Mills County4
- Page County4
- Emmet County3
- Hamilton County3
- Humboldt County3
- Jasper County3
- Kossuth County3
- Mahaska County3
- Marion County3
- Palo Alto County3
- Pocahontas County3
- Story County3
- Webster County3
- Winnebago County3
- Des Moines County3
- Henry County3
- Jefferson County3
- Lee County3
- Louisa County3
- Muscatine County3
- Scott County3
- Van Buren County3
- Black Hawk County2
- Bremer County2
- Butler County2
- Cerro Gordo County2
- Franklin County2
- Grundy County2
- Hancock County2
- Hardin County2
- Marshall County2
- Poweshiek County2
- Tama County2
- Worth County2
- Wright County2
- Allamakee County2
- Chickasaw County2
- Clayton County2
- Fayette County2
- Floyd County2
- Howard County2
- Mitchell County2
- Winneshiek County2
- Benton County2
- Buchanan County2
- Cedar County2
- Clinton County2
- Delaware County2
- Dubuque County2
- Iowa County2
- Jackson County2
- Johnson County2
- Jones County2
- Keokuk County2
- Linn County2
- Washington 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.