Alert archive / Iowa / 2020
Weather alerts in Iowa, July 2020
255 weather alerts in July 2020, 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 July 2020. Tap one for its archive.
- Alerts
- 255
- Warnings
- 121
- Watches
- 8
- Advisories
- 21
- Busiest day
- July 11, 202072 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 |
|---|---|---|---|---|
| Jun 30, 8:45 PM CDT | Special Weather Statement | DVN | Lee | 45 min |
| Jun 30, 10:46 PM CDT | Mesoscale Discussion | SPC | Fremont, Harrison, Mills, Monona, Pottawattamie, Woodbury | 89 min |
| Jun 30, 11:25 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 7 hr |
| Jul 1, 1:36 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 24 min |
| Jul 1, 1:48 AM CDT | Mesoscale Discussion | SPC | Cass, Fremont, Mills, Montgomery, Page, Pottawattamie and 2 more | 87 min |
| Jul 1, 2:01 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 31 min |
| Jul 1, 6:56 AM CDT | Special Weather Statement | DVN | Henry, Jefferson, Louisa | 94 min |
| Jul 1, 5:48 PM CDT | Special Weather Statement | DVN | Delaware | 87 min |
| Jul 1, 7:51 PM CDT | Special Weather Statement | DVN | Delaware | 54 min |
| Jul 3, 1:16 AM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Crawford, Harrison, Ida and 8 more | 2 hr |
| Jul 3, 5:27 AM CDT | Special Weather Statement | DVN | Lee | 93 min |
| Jul 3, 5:57 AM CDT | Flash Flood Warning | DVN | Lee | 4 hr |
| Jul 3, 6:16 PM CDT | Special Weather Statement | ARX | Allamakee | 29 min |
| Jul 4, 2:06 PM CDT | Special Weather Statement | DVN | Dubuque | 24 min |
| Jul 6, 8:59 AM CDT | River Flood Warning | FSD | Lyon | 45 hr |
| Jul 6, 1:57 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Lyon and 4 more | 2 hr |
| Jul 6, 6:31 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 44 min |
| Jul 7, 3:24 AM CDT | Mesoscale Discussion | SPC | Monona, Plymouth, Woodbury | 2 hr |
| Jul 7, 1:23 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 10 more | 2 hr |
| Jul 7, 2:38 PM CDT | Heat Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 28 hr |
| Jul 7, 3:06 PM CDT | Special Weather Statement | DVN | Buchanan | 39 min |
| Jul 7, 3:38 PM CDT | Heat Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 27 hr |
| Jul 7, 3:43 PM CDT | Special Weather Statement | ARX | Clayton | 32 min |
| Jul 7, 5:10 PM CDT | Special Weather Statement | DVN | Jones, Linn | 35 min |
| Jul 7, 5:19 PM CDT | Severe Thunderstorm Warning | DVN | Jones, Linn | 26 min |
| Jul 7, 5:47 PM CDT | Severe Thunderstorm Warning | DVN | Jackson, Jones, Linn | 43 min |
| Jul 7, 7:31 PM CDT | Special Weather Statement | DMX | Black Hawk | 29 min |
| Jul 7, 7:53 PM CDT | Special Weather Statement | DMX | Black Hawk | 52 min |
| Jul 7, 8:04 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Grundy, Tama | 41 min |
| Jul 7, 8:42 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Grundy, Tama | 33 min |
| Jul 8, 3:15 AM CDT | Heat Advisory | DMX | Appanoose, Black Hawk, Boone, Bremer, Butler, Cerro Gordo and 30 more | 17 hr |
| Jul 8, 2:27 PM CDT | Special Weather Statement | DVN | Scott | 33 min |
| Jul 8, 2:28 PM CDT | Special Weather Statement | DVN | Jackson | 32 min |
| Jul 8, 2:51 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 24 min |
| Jul 8, 3:06 PM CDT | Flash Flood Warning | DVN | Clinton, Scott | 2 hr |
| Jul 8, 3:12 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 33 min |
| Jul 8, 3:27 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 22 min |
| Jul 8, 8:39 PM CDT | Mesoscale Discussion | SPC | Harrison, Monona, Plymouth, Woodbury | 96 min |
| Jul 9, 2:02 AM CDT | Special Weather Statement | OAX | Fremont, Mills, Montgomery, Page | 43 min |
| Jul 9, 5:44 AM CDT | Flash Flood Warning | FSD | Woodbury | 3 hr |
| Jul 9, 8:23 AM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 52 min |
| Jul 9, 9:54 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth | 51 min |
| Jul 9, 10:24 AM CDT | Mesoscale Discussion | SPC | Allamakee, Appanoose, Benton, Black Hawk, Boone, Bremer and 49 more | 3 hr |
| Jul 9, 10:26 AM CDT | Severe Thunderstorm Warning | DMX | Hancock, Wright | 49 min |
| Jul 9, 10:47 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Kossuth, Winnebago, Worth | 58 min |
| Jul 9, 10:57 AM CDT | Severe Thunderstorm Warning | DMX | Hancock | 33 min |
| Jul 9, 11:05 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 40 more | 8 hr |
| Jul 9, 11:11 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Franklin, Worth | 34 min |
| Jul 9, 11:40 AM CDT | Special Weather Statement | ARX | Floyd, Mitchell | 50 min |
| Jul 9, 11:42 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Winnebago, Worth | 63 min |
| Jul 9, 11:48 AM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 72 min |
| Jul 9, 12:06 PM CDT | Special Weather Statement | DMX | Black Hawk, Bremer, Butler | 54 min |
| Jul 9, 12:30 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler, Grundy | 45 min |
| Jul 9, 12:51 PM CDT | Special Weather Statement | DVN | Buchanan | 24 min |
| Jul 9, 12:55 PM CDT | Special Weather Statement | DVN | Dubuque | 35 min |
| Jul 9, 12:58 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 62 min |
| Jul 9, 12:59 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 31 min |
| Jul 9, 1:11 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 34 min |
| Jul 9, 1:18 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Fayette | 87 min |
| Jul 9, 1:22 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 38 min |
| Jul 9, 1:35 PM CDT | Special Weather Statement | ARX | Winneshiek | 55 min |
| Jul 9, 1:44 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 61 min |
| Jul 9, 1:49 PM CDT | Special Weather Statement | DVN | Benton, Iowa | 26 min |
| Jul 9, 1:51 PM CDT | Special Weather Statement | DVN | Buchanan | 24 min |
| Jul 9, 2:07 PM CDT | Special Weather Statement | ARX | Clayton | 53 min |
| Jul 9, 2:15 PM CDT | Flash Flood Warning | DMX | Black Hawk | 2 hr |
| Jul 9, 2:19 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 26 min |
| Jul 9, 2:29 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Clayton | 61 min |
| Jul 9, 2:30 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 30 min |
| Jul 9, 2:51 PM CDT | Special Weather Statement | DVN | Benton, Iowa, Johnson, Linn | 24 min |
| Jul 9, 2:51 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Davis, Des Moines, Dubuque, Henry and 16 more | 114 min |
| Jul 9, 2:56 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 34 min |
| Jul 9, 3:21 PM CDT | Special Weather Statement | DVN | Iowa, Johnson, Jones, Linn | 24 min |
| Jul 9, 3:29 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jones, Linn | 31 min |
| Jul 9, 3:47 PM CDT | Special Weather Statement | DVN | Washington | 28 min |
| Jul 9, 3:56 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Jones, Linn | 34 min |
| Jul 9, 4:16 PM CDT | Flash Flood Warning | DVN | Dubuque, Jackson | 3 hr |
| Jul 9, 4:22 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 23 min |
| Jul 9, 4:24 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Jones | 36 min |
| Jul 9, 5:00 PM CDT | Special Weather Statement | DVN | Cedar, Des Moines, Jones, Louisa, Muscatine | 60 min |
| Jul 9, 5:03 PM CDT | Flash Flood Warning | DVN | Dubuque, Jackson | 2 hr |
| Jul 9, 5:08 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Louisa, Muscatine | 52 min |
| Jul 9, 5:19 PM CDT | Tornado Warning | DVN | Cedar, Muscatine | 14 min |
| Jul 9, 5:35 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Louisa, Muscatine, Scott | 40 min |
| Jul 9, 5:39 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Dubuque, Jackson, Johnson and 4 more | 96 min |
| Jul 9, 6:06 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Louisa | 39 min |
| Jul 9, 6:09 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Muscatine, Scott | 51 min |
| Jul 11, 12:53 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona, Pottawattamie | 41 min |
| Jul 11, 1:23 AM CDT | Mesoscale Discussion | SPC | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie | 2 hr |
| Jul 11, 1:32 AM CDT | Special Weather Statement | DMX | Crawford | 43 min |
| Jul 11, 1:36 AM CDT | Special Weather Statement | OAX | Harrison, Pottawattamie | 24 min |
| Jul 11, 1:37 AM CDT | Special Weather Statement | OAX | Monona | 23 min |
| Jul 11, 1:59 AM CDT | Special Weather Statement | OAX | Fremont, Mills, Pottawattamie, Shelby | 31 min |
| Jul 11, 2:14 AM CDT | Special Weather Statement | OAX | Shelby | 31 min |
| Jul 11, 2:28 AM CDT | Special Weather Statement | DMX | Audubon | 47 min |
| Jul 11, 7:41 AM CDT | Severe Thunderstorm Warning | ARX | Howard, Mitchell | 49 min |
| Jul 11, 8:03 AM CDT | Special Weather Statement | ARX | Chickasaw | 42 min |
| Jul 11, 8:21 AM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Fayette, Winneshiek | 39 min |
| Jul 11, 8:43 AM CDT | Severe Thunderstorm Warning | DMX | Bremer | 21 min |
| Jul 11, 8:48 AM CDT | Severe Thunderstorm Warning | ARX | Fayette | 57 min |
| Jul 11, 9:16 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 14 min |
| Jul 11, 9:17 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 58 min |
| Jul 11, 9:36 AM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 11 more | 114 min |
| Jul 11, 10:04 AM CDT | Severe Thunderstorm Watch | SPC | Benton, Cedar, Clinton, Des Moines, Henry, Iowa and 8 more | 3 hr |
| Jul 11, 10:11 AM CDT | Severe Thunderstorm Warning | DVN | Jones, Linn | 64 min |
| Jul 11, 10:52 AM CDT | Severe Thunderstorm Warning | DVN | Cedar | 38 min |
| Jul 11, 11:30 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Muscatine | 19 min |
| Jul 11, 11:36 AM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Buena Vista, Clay, Dickinson, Emmet and 14 more | 114 min |
| Jul 11, 1:10 PM CDT | Severe Thunderstorm Watch | SPC | Black Hawk, Boone, Bremer, Buena Vista, Butler, Cerro Gordo and 29 more | 7 hr |
| Jul 11, 1:22 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 38 min |
| Jul 11, 1:56 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 34 min |
| Jul 11, 2:17 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster | 43 min |
| Jul 11, 2:32 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson | 28 min |
| Jul 11, 2:44 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Kossuth, Winnebago | 46 min |
| Jul 11, 2:48 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 42 min |
| Jul 11, 2:52 PM CDT | Mesoscale Discussion | SPC | Black Hawk, Bremer, Butler, Cerro Gordo, Chickasaw, Fayette and 16 more | 83 min |
| Jul 11, 2:56 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Hamilton, Story, Webster | 49 min |
| Jul 11, 3:03 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Cerro Gordo, Franklin | 42 min |
| Jul 11, 3:07 PM CDT | Special Weather Statement | ARX | Chickasaw, Fayette, Floyd, Howard, Mitchell, Winneshiek | 53 min |
| Jul 11, 3:20 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Palo Alto, Pocahontas | 40 min |
| Jul 11, 3:21 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Winnebago, Worth | 39 min |
| Jul 11, 3:23 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler | 52 min |
| Jul 11, 3:24 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Kossuth, Wright | 51 min |
| Jul 11, 3:53 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 37 min |
| Jul 11, 3:57 PM CDT | Special Weather Statement | DMX | Grundy | 48 min |
| Jul 11, 3:58 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 8 hr |
| Jul 11, 4:06 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Butler, Grundy | 39 min |
| Jul 11, 4:12 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 41 min |
| Jul 11, 4:15 PM CDT | Special Weather Statement | DVN | Benton | 45 min |
| Jul 11, 4:20 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 40 min |
| Jul 11, 4:39 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 36 min |
| Jul 11, 4:44 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Tama | 35 min |
| Jul 11, 4:48 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Butler, Grundy | 24 min |
| Jul 11, 4:50 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan | 40 min |
| Jul 11, 4:56 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 35 min |
| Jul 11, 5:01 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin, Marshall, Story | 29 min |
| Jul 11, 5:07 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 38 min |
| Jul 11, 5:11 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Howard | 49 min |
| Jul 11, 5:25 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson, Linn | 50 min |
| Jul 11, 5:28 PM CDT | Special Weather Statement | ARX | Allamakee | 47 min |
| Jul 11, 5:28 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Linn | 47 min |
| Jul 11, 5:29 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Story | 46 min |
| Jul 11, 5:40 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Story | 35 min |
| Jul 11, 5:43 PM CDT | Special Weather Statement | ARX | Winneshiek | 47 min |
| Jul 11, 6:00 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 27 min |
| Jul 11, 6:01 PM CDT | Tornado Warning | DVN | Jones, Linn | 15 min |
| Jul 11, 6:03 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Poweshiek, Story | 27 min |
| Jul 11, 6:05 PM CDT | Special Weather Statement | ARX | Allamakee, Clayton, Fayette, Winneshiek | 55 min |
| Jul 11, 6:07 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Jones, Linn | 38 min |
| Jul 11, 6:09 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 51 min |
| Jul 11, 6:18 PM CDT | Severe Thunderstorm Warning | DVN | Iowa | 42 min |
| Jul 11, 6:19 PM CDT | Special Weather Statement | ARX | Allamakee, Clayton, Fayette, Winneshiek | 56 min |
| Jul 11, 6:28 PM CDT | Areal Flood Advisory | ARX | Allamakee | 3 hr |
| Jul 11, 6:30 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Poweshiek | 17 min |
| Jul 11, 6:34 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jones, Muscatine, Scott | 41 min |
| Jul 11, 6:40 PM CDT | Special Weather Statement | ARX | Allamakee, Clayton | 65 min |
| Jul 11, 6:46 PM CDT | Severe Thunderstorm Warning | DVN | Johnson, Louisa, Muscatine, Washington | 44 min |
| Jul 11, 6:52 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk, Washington | 53 min |
| Jul 11, 6:55 PM CDT | Special Weather Statement | ARX | Clayton | 65 min |
| Jul 11, 7:13 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 15 min |
| Jul 11, 7:17 PM CDT | Mesoscale Discussion | SPC | Benton, Buchanan, Cedar, Clinton, Des Moines, Henry and 12 more | 58 min |
| Jul 11, 7:19 PM CDT | Special Weather Statement | DMX | Warren | 26 min |
| Jul 11, 7:25 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Keokuk | 50 min |
| Jul 11, 7:31 PM CDT | Severe Thunderstorm Warning | DMX | Marion, Warren | 30 min |
| Jul 11, 7:33 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 29 min |
| Jul 11, 8:14 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Lucas, Wayne | 28 min |
| Jul 13, 7:34 PM CDT | Mesoscale Discussion | SPC | Dickinson, Lyon, O'Brien, Osceola, Plymouth, Sioux | 116 min |
| Jul 14, 7:58 AM CDT | Mesoscale Discussion | SPC | Howard, Mitchell, Winnebago, Worth | 92 min |
| Jul 14, 3:14 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Allamakee, Audubon, Black Hawk, Boone and 34 more | 2 hr |
| Jul 14, 4:11 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Allamakee, Appanoose, Audubon, Benton and 48 more | 7 hr |
| Jul 14, 4:52 PM CDT | Special Weather Statement | ARX | Chickasaw, Floyd, Howard, Mitchell | 83 min |
| Jul 14, 6:10 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Hamilton, Story | 50 min |
| Jul 14, 6:22 PM CDT | Special Weather Statement | ARX | Chickasaw, Floyd | 53 min |
| Jul 14, 6:33 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 24 min |
| Jul 14, 6:52 PM CDT | Tornado Warning | DMX | Boone, Story | 23 min |
| Jul 14, 6:56 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hardin | 49 min |
| Jul 14, 7:16 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 44 min |
| Jul 14, 7:22 PM CDT | Tornado Warning | DMX | Polk | 23 min |
| Jul 14, 7:25 PM CDT | Special Weather Statement | ARX | Allamakee, Fayette | 95 min |
| Jul 14, 7:55 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk, Warren | 50 min |
| Jul 14, 7:56 PM CDT | Flash Flood Warning | DMX | Dallas, Jasper, Polk | 3 hr |
| Jul 14, 8:00 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 22 more | 60 min |
| Jul 14, 8:36 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Marion | 24 min |
| Jul 14, 8:40 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Warren | 35 min |
| Jul 14, 8:56 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion | 34 min |
| Jul 14, 9:09 PM CDT | Severe Thunderstorm Warning | DMX | Marion, Warren | 51 min |
| Jul 14, 9:20 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 40 min |
| Jul 14, 9:35 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Marion, Monroe | 40 min |
| Jul 14, 10:17 PM CDT | Special Weather Statement | DMX | Lucas, Monroe, Wayne | 58 min |
| Jul 14, 11:00 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Union | 30 min |
| Jul 15, 6:59 AM CDT | Areal Flood Advisory | OAX | Mills | 4 hr |
| Jul 15, 10:27 AM CDT | Special Weather Statement | DVN | Lee | 33 min |
| Jul 16, 2:14 AM CDT | Dense Fog Advisory | ARX | Allamakee, Winneshiek | 7 hr |
| Jul 16, 2:43 AM CDT | Dense Fog Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 5 hr |
| Jul 16, 2:34 PM CDT | Heat Advisory | FSD | Buena Vista, Cherokee, Clay, Ida, Lyon, O'Brien and 4 more | 29 hr |
| Jul 17, 2:35 AM CDT | Heat Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 41 hr |
| Jul 17, 3:04 AM CDT | Heat Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 41 hr |
| Jul 17, 3:29 AM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 41 hr |
| Jul 17, 3:30 AM CDT | Heat Advisory | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 17 hr |
| Jul 17, 3:30 AM CDT | Heat Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 41 hr |
| Jul 17, 4:05 AM CDT | Excessive Heat Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 11 hr |
| Jul 17, 9:55 AM CDT | Mesoscale Discussion | SPC | Cherokee, Clay, Dickinson, Lyon, O'Brien, Osceola and 2 more | 95 min |
| Jul 17, 2:36 PM CDT | Excessive Heat Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 29 hr |
| Jul 18, 4:01 AM CDT | Excessive Heat Warning | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 16 hr |
| Jul 18, 7:03 AM CDT | Special Weather Statement | ARX | Chickasaw, Floyd, Howard, Mitchell | 42 min |
| Jul 18, 7:37 AM CDT | Special Weather Statement | ARX | Chickasaw, Howard, Winneshiek | 38 min |
| Jul 18, 8:15 AM CDT | Special Weather Statement | ARX | Allamakee, Fayette, Winneshiek | 60 min |
| Jul 18, 8:53 AM CDT | Special Weather Statement | DVN | Delaware, Dubuque | 52 min |
| Jul 18, 8:57 AM CDT | Special Weather Statement | ARX | Clayton | 63 min |
| Jul 18, 9:48 AM CDT | Special Weather Statement | DVN | Dubuque, Jackson | 42 min |
| Jul 19, 4:40 AM CDT | Special Weather Statement | DMX | Decatur | 35 min |
| Jul 19, 7:19 AM CDT | Special Weather Statement | DVN | Jefferson, Van Buren | 41 min |
| Jul 19, 7:36 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Lee, Van Buren | 39 min |
| Jul 19, 8:03 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee | 42 min |
| Jul 19, 8:40 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Louisa | 35 min |
| Jul 21, 3:11 PM CDT | Special Weather Statement | DVN | Muscatine | 64 min |
| Jul 21, 3:40 PM CDT | Special Weather Statement | DVN | Scott | 65 min |
| Jul 21, 6:52 PM CDT | Special Weather Statement | DMX | Boone | 23 min |
| Jul 21, 7:16 PM CDT | Special Weather Statement | DMX | Boone | 29 min |
| Jul 23, 3:03 AM CDT | Heat Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 66 hr |
| Jul 23, 4:25 PM CDT | Heat Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 53 hr |
| Jul 24, 3:02 PM CDT | Heat Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 29 hr |
| Jul 25, 2:30 AM CDT | Heat Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 41 hr |
| Jul 25, 2:40 AM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 17 hr |
| Jul 25, 2:44 AM CDT | Heat Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 17 hr |
| Jul 26, 2:53 AM CDT | Heat Advisory | ARX | Allamakee, Clayton, Fayette, Winneshiek | 16 hr |
| Jul 26, 3:31 AM CDT | Flash Flood Watch | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 25 hr |
| Jul 26, 10:52 AM CDT | Special Weather Statement | DMX | Adair, Boone, Cass, Dallas, Guthrie, Madison and 1 more | 53 min |
| Jul 26, 11:53 AM CDT | Special Weather Statement | DMX | Adair, Adams, Madison, Union | 52 min |
| Jul 26, 1:08 PM CDT | Special Weather Statement | DMX | Adams, Ringgold, Taylor, Union | 52 min |
| Jul 26, 2:06 PM CDT | Mesoscale Discussion | SPC | Adams, Cass, Fremont, Mills, Montgomery, Page and 2 more | 114 min |
| Jul 26, 4:22 PM CDT | Special Weather Statement | DVN | Dubuque | 23 min |
| Jul 26, 4:47 PM CDT | Special Weather Statement | DVN | Dubuque | 28 min |
| Jul 26, 4:55 PM CDT | Special Weather Statement | DVN | Cedar, Jackson | 50 min |
| Jul 26, 4:56 PM CDT | Special Weather Statement | ARX | Dubuque | 19 min |
| Jul 26, 5:09 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jones | 51 min |
| Jul 26, 5:33 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Dubuque, Jackson, Jones, Muscatine and 1 more | 87 min |
| Jul 26, 5:36 PM CDT | Special Weather Statement | DVN | Jackson | 39 min |
| Jul 26, 6:00 PM CDT | Special Weather Statement | DVN | Johnson | 45 min |
| Jul 26, 6:50 PM CDT | Special Weather Statement | DVN | Cedar, Johnson | 55 min |
| Jul 26, 7:24 PM CDT | Special Weather Statement | DVN | Muscatine, Scott | 51 min |
| Jul 26, 8:01 PM CDT | Special Weather Statement | DVN | Scott | 44 min |
| Jul 26, 10:39 PM CDT | Special Weather Statement | DVN | Lee | 51 min |
| Jul 27, 3:24 AM CDT | Special Weather Statement | DVN | Keokuk, Washington | 2 hr |
| Jul 28, 6:12 PM CDT | Flash Flood Warning | FSD | Plymouth, Sioux | 3 hr |
| Jul 29, 2:10 PM CDT | Areal Flood Advisory | OAX | Mills | 3 hr |
| Jul 29, 4:25 PM CDT | Special Weather Statement | DMX | Hamilton, Webster | 65 min |
| Jul 29, 5:26 PM CDT | Special Weather Statement | DVN | Benton | 34 min |
| Jul 29, 5:36 PM CDT | Special Weather Statement | DVN | Clinton | 24 min |
| Jul 29, 5:49 PM CDT | Tornado Warning | DVN | Benton | 11 min |
| Jul 29, 6:10 PM CDT | Special Weather Statement | DVN | Clinton, Linn | 65 min |
| Jul 29, 8:08 PM CDT | Special Weather Statement | DVN | Iowa | 37 min |
| Jul 29, 8:53 PM CDT | Special Weather Statement | DVN | Iowa | 52 min |
| Jul 29, 11:33 PM CDT | Special Weather Statement | DVN | Cedar | 27 min |
| Jul 29, 11:47 PM CDT | Special Weather Statement | DVN | Jones | 28 min |
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 | 105 |
| Tornado Warning | 5 |
| Severe Thunderstorm Watch | 6 |
| Mesoscale Discussion | 22 |
| Special Weather Statement | 83 |
| Flooding | |
| Flash Flood Warning | 8 |
| River Flood Warning | 1 |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 3 |
| Heat | |
| Excessive Heat Warning | 2 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 16 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Black Hawk County28
- Cedar County26
- Jones County26
- Linn County24
- Muscatine County23
- Scott County23
- Dubuque County22
- Benton County22
- Winneshiek County21
- Jackson County21
- Allamakee County20
- Chickasaw County20
- Fayette County20
- Clinton County20
- Johnson County20
- Bremer County19
- Grundy County19
- Louisa County18
- Buchanan County18
- Butler County18
- Clayton County18
- Mitchell County18
- Iowa County18
- Floyd County17
- Howard County17
- Mills County16
- Delaware County16
- Cerro Gordo County16
- Lee County15
- Fremont County15
- Pottawattamie County15
- Hamilton County15
- Jasper County15
- Marshall County15
- Story County15
- Worth County14
- Des Moines County14
- Tama County14
- Hancock County14
- Marion County14
59 more counties
- Page County13
- Plymouth County13
- Washington County13
- Boone County13
- Montgomery County12
- Henry County12
- Jefferson County12
- Dickinson County12
- Keokuk County12
- Franklin County12
- Hardin County12
- Mahaska County12
- Webster County12
- Woodbury County11
- Clay County11
- Osceola County11
- Polk County11
- Winnebago County11
- Wright County11
- Harrison County10
- Monona County10
- Lyon County10
- Sioux County10
- Dallas County10
- Humboldt County10
- Kossuth County10
- Monroe County10
- Poweshiek County10
- Warren County10
- Buena Vista County9
- O'Brien County9
- Van Buren County9
- Shelby County8
- Cherokee County8
- Lucas County8
- Madison County8
- Cass County7
- Davis County7
- Palo Alto County7
- Wapello County7
- Adams County7
- Union County7
- Taylor County6
- Ida County6
- Emmet County6
- Appanoose County6
- Wayne County6
- Pocahontas County6
- Adair County6
- Crawford County5
- Clarke County5
- Audubon County5
- Decatur County5
- Guthrie County5
- Ringgold County5
- Calhoun County4
- Carroll County4
- Greene County4
- Sac County3
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.