Alert archive / Iowa / 2025
Weather alerts in Iowa, May 2025
39 weather alerts in May 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in May 2025. Tap one for its archive.
- Alerts
- 39
- Warnings
- 15
- Watches
- 6
- Advisories
- 7
- Busiest day
- May 15, 202510 alerts
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 |
|---|---|---|---|---|
| May 1, 7:30 PM CDT | Special Weather Statement | DVN | Van Buren | 30 min |
| May 7, 5:57 PM CDT | Special Weather Statement | DVN | Benton, Iowa, Johnson, Linn | 93 min |
| May 8, 2:35 PM CDT | Fire Weather Watch | FSD | Lyon, Osceola, Sioux | 48 hr |
| May 10, 2:05 PM CDT | Fire Weather Watch | FSD | Lyon, Osceola, Sioux | 32 hr |
| May 10, 2:05 PM CDT | Red Flag Warning | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Plymouth and 1 more | 32 hr |
| May 11, 9:50 PM CDT | Red Flag Warning | FSD | Lyon, Osceola, Sioux | 23 hr |
| May 12, 1:42 PM CDT | Fire Weather Watch | FSD | Lyon, Osceola, Sioux | 14 hr |
| May 13, 3:33 AM CDT | Red Flag Warning | FSD | Lyon, Osceola, Sioux | 17 hr |
| May 14, 2:00 PM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 53 hr |
| May 14, 2:15 PM CDT | Wind Advisory | OAX | Fremont, Harrison, Mills, Monona, Pottawattamie | 30 hr |
| May 14, 9:28 PM CDT | Wind Advisory | DMX | Boone, Calhoun, Carroll, Cerro Gordo, Crawford, Emmet and 15 more | 24 hr |
| May 15, 1:08 AM CDT | Mesoscale Discussion | SPC | Cherokee, Lyon, O'Brien, Osceola, Plymouth, Sioux and 1 more | 97 min |
| May 15, 1:36 AM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 6 hr |
| May 15, 4:04 AM CDT | Mesoscale Discussion | SPC | Clay, Dickinson, Emmet, Lyon, O'Brien, Osceola and 1 more | 86 min |
| May 15, 7:23 AM CDT | Mesoscale Discussion | SPC | Lyon, Osceola, Sioux | 97 min |
| May 15, 1:54 PM CDT | Wind Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 31 hr |
| May 15, 2:14 PM CDT | Mesoscale Discussion | SPC | Dubuque, Jackson | 2 hr |
| May 15, 2:15 PM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 29 hr |
| May 15, 2:27 PM CDT | Wind Advisory | DMX | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 26 more | 31 hr |
| May 15, 3:21 PM CDT | Wind Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 6 hr |
| May 19, 1:11 PM CDT | Tornado Watch | SPC | Fremont, Mills, Montgomery, Page, Pottawattamie | 7 hr |
| May 19, 3:31 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Cass and 23 more | 89 min |
| May 19, 3:43 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Cass, Clarke, Davis and 12 more | 6 hr |
| May 19, 4:15 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Warren | 30 min |
| May 19, 4:30 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk, Warren | 30 min |
| May 19, 4:55 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Polk, Story | 35 min |
| May 19, 5:18 PM CDT | Severe Thunderstorm Warning | DMX | Hardin, Marshall, Story | 27 min |
| May 19, 6:08 PM CDT | Mesoscale Discussion | SPC | Cass, Fremont, Harrison, Mills, Montgomery, Page and 2 more | 2 hr |
| May 19, 6:29 PM CDT | Special Weather Statement | ARX | Floyd | 31 min |
| May 19, 6:44 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 46 min |
| May 19, 7:00 PM CDT | Special Weather Statement | ARX | Howard | 30 min |
| May 19, 7:27 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 33 min |
| May 19, 7:59 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 15 min |
| May 19, 8:25 PM CDT | High Wind Warning | FSD | Cherokee, Ida, Lyon, O'Brien, Osceola, Plymouth and 2 more | 4 hr |
| May 19, 11:35 PM CDT | High Wind Warning | FSD | Buena Vista, Clay, Dickinson | 85 min |
| May 20, 1:39 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Muscatine, Scott | 66 min |
| May 20, 2:00 PM CDT | Tornado Warning | DVN | Clinton, Muscatine, Scott | 45 min |
| May 20, 2:18 PM CDT | Special Weather Statement | DVN | Linn | 42 min |
| May 20, 2:31 PM CDT | Flash Flood Warning | DVN | Muscatine | 3 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 8 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 6 |
| Special Weather Statement | 5 |
| Flooding | |
| Flash Flood Warning | 1 |
| Wind and dust | |
| High Wind Warning | 2 |
| Wind Advisory | 7 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lyon County13
- Osceola County13
- Sioux County13
- O'Brien County7
- Clay County6
- Dickinson County6
- Plymouth County6
- Harrison County6
- Cherokee County5
- Woodbury County5
- Story County5
- Buena Vista County4
- Ida County4
- Fremont County4
- Mills County4
- Monona County4
- Pottawattamie County4
- Cass County4
- Madison County4
- Polk County4
- Warren County4
- Boone County3
- Emmet County3
- Greene County3
- Hardin County3
- Montgomery County3
- Page County3
- Adair County3
- Adams County3
- Union County3
- Clarke County3
- Jasper County3
- Muscatine County3
- Van Buren County2
- Linn County2
- Calhoun County2
- Carroll County2
- Cerro Gordo County2
- Crawford County2
- Franklin County2
47 more counties
- Hamilton County2
- Hancock County2
- Humboldt County2
- Kossuth County2
- Palo Alto County2
- Pocahontas County2
- Sac County2
- Webster County2
- Winnebago County2
- Worth County2
- Wright County2
- Shelby County2
- Audubon County2
- Dallas County2
- Guthrie County2
- Ringgold County2
- Taylor County2
- Floyd County2
- Howard County2
- Appanoose County2
- Davis County2
- Decatur County2
- Lucas County2
- Mahaska County2
- Marion County2
- Monroe County2
- Wapello County2
- Wayne County2
- Marshall County2
- Scott County2
- Benton County1
- Iowa County1
- Johnson County1
- Dubuque County1
- Jackson County1
- Allamakee County1
- Chickasaw County1
- Clayton County1
- Fayette County1
- Mitchell County1
- Winneshiek County1
- Jefferson County1
- Keokuk County1
- Lee County1
- Poweshiek County1
- Cedar County1
- Clinton County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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. Rebuilt daily.