Alert archive / Iowa / Red Flag Warnings / 2026
Red Flag Warnings in Iowa, March 2026
13 red flag warnings in March 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 March 2026. Tap one for its archive.
- Red Flag Warnings
- 13
- Busiest day
- March 27, 20265 red flag warnings
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| 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 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adair County4
- Adams County4
- Audubon County4
- Carroll County4
- Cass County4
- Crawford County4
- Guthrie County4
- Ringgold County4
- Taylor County4
- Union County4
- Fremont County4
- Harrison County4
- Mills County4
- Monona County4
- Montgomery County4
- Page County4
- Pottawattamie County4
- Shelby County4
- Ida County3
- Plymouth County3
- Woodbury County3
- Boone County3
- Calhoun County3
- Clarke County3
- Dallas County3
- Decatur County3
- Greene County3
- Madison County3
- Polk County3
- Sac County3
- Warren County3
- Buena Vista County2
- Cherokee County2
- Clay County2
- Dickinson County2
- Lyon County2
- O'Brien County2
- Osceola County2
- Sioux County2
- Appanoose County2
59 more counties
- Davis County2
- Hamilton County2
- Jasper County2
- Lucas County2
- Mahaska County2
- Marion County2
- Monroe County2
- Story County2
- Wapello County2
- Wayne County2
- Webster County2
- Allamakee County1
- Chickasaw County1
- Clayton County1
- Fayette County1
- Floyd County1
- Howard County1
- Mitchell County1
- Winneshiek County1
- Black Hawk County1
- Bremer County1
- Butler County1
- Cerro Gordo County1
- Emmet County1
- Franklin County1
- Grundy County1
- Hancock County1
- Hardin County1
- Humboldt County1
- Kossuth County1
- Marshall County1
- Palo Alto County1
- Pocahontas County1
- Poweshiek County1
- Tama County1
- Winnebago County1
- Worth County1
- Wright County1
- Benton County1
- Buchanan County1
- Cedar County1
- Clinton County1
- Delaware County1
- Des Moines County1
- Dubuque County1
- Henry County1
- Iowa County1
- Jackson County1
- Jefferson County1
- Johnson County1
- Jones County1
- Keokuk County1
- Lee County1
- Linn County1
- Louisa County1
- Muscatine County1
- Scott County1
- Van Buren County1
- Washington County1
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.