Weather alerts in Iowa, 2024
2,630 weather alerts in 2024, 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 2024. Tap one for its archive.
- Alerts
- 2,630
- Warnings
- 1,451
- Watches
- 246
- Advisories
- 296
- Busiest month
- May662 alerts
- Busiest day
- May 21, 2024240 alerts
Over time
By month
The alerts
2,630 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pottawattamie County257
- Harrison County225
- Fremont County209
- Clinton County207
- Scott County207
- Mills County205
- Marion County204
- Polk County202
- Warren County197
- Lee County197
- Jasper County195
- Louisa County191
- Shelby County190
- Adair County189
- Madison County189
- Van Buren County189
- Muscatine County187
- Cedar County186
- Des Moines County186
- Guthrie County185
- Mahaska County184
- Johnson County184
- Lucas County183
- Linn County182
- Union County181
- Montgomery County180
- Dallas County179
- Monona County178
- Monroe County177
- Henry County177
- Jackson County177
- Washington County177
- Jones County175
- Page County174
- Clarke County174
- Adams County172
- Wapello County170
- Keokuk County170
- Carroll County169
- Boone County169
59 more counties
- O'Brien County169
- Audubon County168
- Cass County167
- Davis County167
- Dubuque County165
- Sioux County163
- Greene County163
- Poweshiek County163
- Ringgold County162
- Wayne County162
- Benton County162
- Iowa County162
- Clay County162
- Appanoose County160
- Jefferson County160
- Cherokee County158
- Crawford County158
- Decatur County158
- Humboldt County158
- Plymouth County157
- Delaware County157
- Story County156
- Taylor County152
- Woodbury County149
- Marshall County148
- Dickinson County147
- Black Hawk County146
- Calhoun County146
- Kossuth County146
- Buchanan County145
- Tama County144
- Pocahontas County144
- Lyon County143
- Sac County143
- Webster County143
- Osceola County139
- Palo Alto County138
- Buena Vista County136
- Hancock County130
- Emmet County130
- Ida County129
- Chickasaw County129
- Cerro Gordo County129
- Hamilton County128
- Winnebago County128
- Howard County128
- Worth County127
- Grundy County126
- Clayton County125
- Winneshiek County125
- Hardin County125
- Wright County125
- Floyd County123
- Butler County122
- Allamakee County121
- Bremer County120
- Fayette County119
- Mitchell County118
- Franklin County114
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. Rebuilt daily.