Alert archive / Iowa / 2018
Weather alerts in Iowa, September 2018
416 weather alerts in September 2018, 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 September 2018. Tap one for its archive.
- Alerts
- 416
- Warnings
- 240
- Watches
- 40
- Advisories
- 9
- Busiest day
- September 20, 201884 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 |
|---|---|---|---|---|
| Aug 31, 7:12 PM CDT | Special Weather Statement | DVN | Des Moines, Henry, Iowa, Jefferson, Keokuk, Lee and 3 more | 108 min |
| Aug 31, 8:47 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Carroll, Cass and 24 more | 118 min |
| Aug 31, 9:33 PM CDT | Special Weather Statement | OAX | Pottawattamie | 27 min |
| Aug 31, 10:01 PM CDT | Special Weather Statement | DMX | Cass | 59 min |
| Aug 31, 10:09 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 51 min |
| Aug 31, 10:55 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Marion, Poweshiek | 50 min |
| Aug 31, 11:19 PM CDT | Special Weather Statement | OAX | Mills | 26 min |
| Aug 31, 11:32 PM CDT | Special Weather Statement | DVN | Iowa, Keokuk | 58 min |
| Aug 31, 11:53 PM CDT | Special Weather Statement | OAX | Pottawattamie | 37 min |
| Aug 31, 11:54 PM CDT | Special Weather Statement | OAX | Pottawattamie | 36 min |
| Sep 1, 12:22 AM CDT | Special Weather Statement | OAX | Mills | 23 min |
| Sep 1, 12:24 AM CDT | Special Weather Statement | OAX | Pottawattamie | 36 min |
| Sep 1, 12:42 AM CDT | Special Weather Statement | OAX | Montgomery | 33 min |
| Sep 1, 12:43 AM CDT | Special Weather Statement | DVN | Benton, Iowa, Keokuk | 62 min |
| Sep 1, 12:54 AM CDT | Special Weather Statement | OAX | Pottawattamie | 36 min |
| Sep 1, 1:01 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 22 min |
| Sep 1, 1:05 AM CDT | Special Weather Statement | DVN | Delaware | 55 min |
| Sep 1, 1:10 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 35 min |
| Sep 1, 1:12 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware, Linn | 29 min |
| Sep 1, 1:28 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass, Union | 47 min |
| Sep 1, 1:28 AM CDT | Special Weather Statement | DVN | Keokuk | 32 min |
| Sep 1, 1:38 AM CDT | Special Weather Statement | OAX | Cass | 37 min |
| Sep 1, 2:16 AM CDT | Special Weather Statement | OAX | Cass | 29 min |
| Sep 1, 3:29 AM CDT | Flash Flood Warning | DVN | Iowa | 8 hr |
| Sep 1, 3:35 AM CDT | Flash Flood Warning | DMX | Poweshiek, Tama | 6 hr |
| Sep 1, 3:44 AM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 13 more | 24 hr |
| Sep 1, 4:16 AM CDT | Flash Flood Warning | DVN | Benton | 8 hr |
| Sep 1, 4:21 AM CDT | Flash Flood Warning | DMX | Clarke, Decatur | 5 hr |
| Sep 1, 4:38 AM CDT | Flash Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 34 more | 24 hr |
| Sep 1, 4:38 AM CDT | Flash Flood Warning | DMX | Tama | 6 hr |
| Sep 1, 5:20 AM CDT | Special Weather Statement | OAX | Pottawattamie | 40 min |
| Sep 1, 5:22 AM CDT | Flash Flood Warning | DMX | Ringgold, Union | 4 hr |
| Sep 1, 5:23 AM CDT | Special Weather Statement | OAX | Fremont | 37 min |
| Sep 1, 5:36 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 24 min |
| Sep 1, 5:45 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union, Warren | 29 min |
| Sep 1, 5:58 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 32 min |
| Sep 1, 6:09 AM CDT | Special Weather Statement | OAX | Montgomery | 36 min |
| Sep 1, 6:19 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Pottawattamie | 41 min |
| Sep 1, 6:30 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass | 45 min |
| Sep 1, 6:57 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Madison, Union | 48 min |
| Sep 1, 7:24 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Dallas, Guthrie, Madison, Polk, Warren | 51 min |
| Sep 1, 10:01 AM CDT | River Flood Warning | DVN | Clinton, Scott | 17 days |
| Sep 1, 10:01 AM CDT | River Flood Warning | DVN | Cedar, Louisa, Muscatine | 15 days |
| Sep 1, 10:01 AM CDT | River Flood Warning | DVN | Iowa | 15 days |
| Sep 1, 10:01 AM CDT | River Flood Warning | DVN | Johnson, Louisa, Washington | 5 days |
| Sep 1, 10:01 AM CDT | River Flood Warning | DVN | Louisa | 14 days |
| Sep 1, 10:01 AM CDT | River Flood Warning | DVN | Louisa | 16 days |
| Sep 1, 10:01 AM CDT | River Flood Warning | DVN | Louisa | 16 days |
| Sep 1, 10:01 AM CDT | River Flood Warning | DVN | Johnson, Washington | 5 days |
| Sep 1, 10:01 AM CDT | River Flood Warning | DVN | Keokuk | 10 days |
| Sep 1, 11:27 AM CDT | Areal Flood Warning | DVN | Iowa | 24 hr |
| Sep 1, 5:15 PM CDT | Flash Flood Watch | OAX | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 44 hr |
| Sep 1, 6:08 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison, Polk | 52 min |
| Sep 1, 6:34 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 67 more | 56 min |
| Sep 1, 6:59 PM CDT | Special Weather Statement | DVN | Keokuk | 31 min |
| Sep 1, 7:02 PM CDT | Special Weather Statement | DMX | Boone, Story | 58 min |
| Sep 1, 7:07 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk, Story | 38 min |
| Sep 1, 7:14 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk, Story | 46 min |
| Sep 1, 7:32 PM CDT | Special Weather Statement | DVN | Keokuk | 28 min |
| Sep 1, 7:36 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 54 min |
| Sep 1, 7:39 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 36 min |
| Sep 1, 7:51 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk, Story | 39 min |
| Sep 1, 7:52 PM CDT | Tornado Warning | DVN | Keokuk | 23 min |
| Sep 1, 7:55 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 50 min |
| Sep 1, 8:14 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Keokuk | 46 min |
| Sep 1, 8:16 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 14 min |
| Sep 1, 8:20 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Benton, Boone and 44 more | 5 hr |
| Sep 1, 8:23 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 37 min |
| Sep 1, 8:29 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 46 min |
| Sep 1, 8:50 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk, Story | 40 min |
| Sep 1, 8:56 PM CDT | Special Weather Statement | DVN | Washington | 49 min |
| Sep 1, 9:05 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Washington | 40 min |
| Sep 1, 9:08 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Washington | 52 min |
| Sep 1, 9:08 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 52 min |
| Sep 1, 9:20 PM CDT | Flash Flood Warning | DMX | Boone, Dallas, Polk, Story | 6 hr |
| Sep 1, 9:22 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson | 38 min |
| Sep 1, 9:23 PM CDT | Areal Flood Advisory | OAX | Fremont, Mills | 5 hr |
| Sep 1, 9:40 PM CDT | River Flood Warning | DMX | Black Hawk | 10 days |
| Sep 1, 9:52 PM CDT | Special Weather Statement | DVN | Iowa | 53 min |
| Sep 1, 9:56 PM CDT | Special Weather Statement | DVN | Louisa | 49 min |
| Sep 1, 9:56 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 34 min |
| Sep 1, 9:59 PM CDT | Flash Flood Warning | DMX | Mahaska, Monroe, Wapello | 5 hr |
| Sep 1, 10:04 PM CDT | Special Weather Statement | DMX | Adair, Adams, Cass | 56 min |
| Sep 1, 10:04 PM CDT | Special Weather Statement | DVN | Washington | 26 min |
| Sep 1, 10:08 PM CDT | Flash Flood Warning | DVN | Keokuk | 5 hr |
| Sep 1, 10:16 PM CDT | Flash Flood Warning | DMX | Poweshiek | 6 hr |
| Sep 1, 10:26 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Montgomery, Page | 34 min |
| Sep 1, 10:27 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Boone and 47 more | 63 min |
| Sep 1, 10:35 PM CDT | Special Weather Statement | OAX | Shelby | 25 min |
| Sep 1, 10:47 PM CDT | Flash Flood Warning | DMX | Jasper, Poweshiek | 5 hr |
| Sep 1, 11:20 PM CDT | Flash Flood Warning | DVN | Iowa, Keokuk, Washington | 4 hr |
| Sep 1, 11:29 PM CDT | Special Weather Statement | DVN | Scott | 46 min |
| Sep 1, 11:50 PM CDT | Special Weather Statement | DVN | Dubuque | 25 min |
| Sep 2, 12:40 AM CDT | River Flood Warning | DMX | Jasper, Marion, Polk | 6 hr |
| Sep 2, 1:37 AM CDT | Flash Flood Warning | DMX | Marshall, Story | 2 hr |
| Sep 2, 3:47 AM CDT | Areal Flood Warning | DMX | Jasper, Marshall, Poweshiek, Story | 9 hr |
| Sep 2, 4:21 AM CDT | Areal Flood Warning | OAX | Fremont, Mills | 6 hr |
| Sep 2, 9:26 AM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 39 hr |
| Sep 2, 9:45 AM CDT | Flash Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 30 more | 36 hr |
| Sep 2, 9:53 AM CDT | River Flood Warning | DVN | Cedar, Jones, Linn | 11 days |
| Sep 2, 10:22 AM CDT | River Flood Warning | DVN | Louisa | 16 days |
| Sep 2, 10:22 AM CDT | River Flood Warning | DVN | Des Moines, Louisa | 16 days |
| Sep 2, 10:22 AM CDT | River Flood Warning | DVN | Des Moines | 17 days |
| Sep 2, 10:22 AM CDT | River Flood Warning | DVN | Des Moines, Lee | 17 days |
| Sep 2, 1:34 PM CDT | Flash Flood Warning | DMX | Black Hawk, Bremer, Butler | 6 hr |
| Sep 2, 2:24 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Benton, Black Hawk, Boone and 45 more | 2 hr |
| Sep 2, 2:39 PM CDT | Special Weather Statement | DVN | Buchanan | 111 min |
| Sep 2, 3:01 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 44 min |
| Sep 2, 3:28 PM CDT | Special Weather Statement | ARX | Clayton | 62 min |
| Sep 2, 3:41 PM CDT | Tornado Warning | DVN | Delaware, Dubuque | 22 min |
| Sep 2, 4:31 PM CDT | Special Weather Statement | DVN | Dubuque | 74 min |
| Sep 2, 5:32 PM CDT | Special Weather Statement | DVN | Jones | 43 min |
| Sep 2, 6:18 PM CDT | Special Weather Statement | DVN | Jackson | 42 min |
| Sep 2, 6:25 PM CDT | Special Weather Statement | DVN | Cedar, Muscatine, Scott, Washington | 50 min |
| Sep 2, 6:48 PM CDT | Special Weather Statement | DVN | Jefferson, Van Buren | 42 min |
| Sep 2, 7:12 PM CDT | Special Weather Statement | DVN | Clinton | 33 min |
| Sep 2, 7:23 PM CDT | Special Weather Statement | DVN | Muscatine | 37 min |
| Sep 2, 7:32 PM CDT | Areal Flood Warning | DMX | Black Hawk, Bremer, Butler | 24 hr |
| Sep 2, 7:34 PM CDT | Special Weather Statement | DVN | Jefferson | 56 min |
| Sep 2, 7:39 PM CDT | Flash Flood Warning | DVN | Muscatine | 2 hr |
| Sep 3, 5:23 AM CDT | River Flood Warning | ARX | Clayton | 5 days |
| Sep 3, 9:19 AM CDT | River Flood Warning | DVN | Cedar, Johnson, Linn | 9 days |
| Sep 3, 10:15 AM CDT | River Flood Warning | DVN | Buchanan, Linn | 7 days |
| Sep 3, 1:06 PM CDT | Flash Flood Watch | OAX | Fremont, Montgomery, Page | 45 hr |
| Sep 3, 1:20 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Henry, Iowa, Jackson and 9 more | 2 hr |
| Sep 3, 3:53 PM CDT | Special Weather Statement | DVN | Buchanan | 67 min |
| Sep 3, 4:21 PM CDT | Special Weather Statement | DVN | Scott | 24 min |
| Sep 3, 4:29 PM CDT | Special Weather Statement | DMX | Jasper, Warren | 61 min |
| Sep 3, 4:41 PM CDT | Tornado Warning | DVN | Benton, Buchanan, Linn | 34 min |
| Sep 3, 5:07 PM CDT | River Flood Warning | DMX | Tama | 7 days |
| Sep 3, 5:07 PM CDT | River Flood Warning | DMX | Black Hawk | 6 days |
| Sep 3, 5:07 PM CDT | River Flood Warning | DMX | Black Hawk | 5 days |
| Sep 3, 5:15 PM CDT | Tornado Warning | DVN | Buchanan, Delaware, Jones, Linn | 45 min |
| Sep 3, 5:47 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Benton, Black Hawk, Boone, Bremer and 39 more | 58 min |
| Sep 3, 6:05 PM CDT | Tornado Warning | DVN | Delaware, Dubuque, Jones, Linn | 40 min |
| Sep 3, 6:09 PM CDT | Tornado Watch | SPC | Benton, Black Hawk, Buchanan, Delaware, Dubuque, Iowa and 6 more | 2 hr |
| Sep 3, 6:21 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 39 min |
| Sep 3, 6:31 PM CDT | Special Weather Statement | DMX | Poweshiek | 44 min |
| Sep 3, 6:58 PM CDT | Tornado Warning | DMX | Poweshiek | 32 min |
| Sep 3, 7:32 PM CDT | Special Weather Statement | DMX | Black Hawk, Bremer, Grundy | 88 min |
| Sep 3, 7:41 PM CDT | Special Weather Statement | DVN | Benton, Buchanan, Iowa, Linn | 64 min |
| Sep 3, 7:43 PM CDT | Flash Flood Warning | DMX | Black Hawk | 3 hr |
| Sep 3, 8:54 PM CDT | Special Weather Statement | DVN | Benton, Buchanan, Delaware, Linn | 66 min |
| Sep 3, 9:17 PM CDT | Flash Flood Warning | ARX | Allamakee | 9 hr |
| Sep 3, 9:27 PM CDT | River Flood Warning | ARX | Clayton | 4 days |
| Sep 3, 9:28 PM CDT | River Flood Warning | DVN | Jackson | 70 hr |
| Sep 3, 9:28 PM CDT | River Flood Warning | DVN | Benton, Linn | 7 days |
| Sep 3, 10:01 PM CDT | Special Weather Statement | DVN | Buchanan, Delaware | 74 min |
| Sep 3, 11:58 PM CDT | Flash Flood Warning | ARX | Allamakee, Clayton | 6 hr |
| Sep 4, 1:03 AM CDT | River Flood Warning | ARX | Winneshiek | 3 days |
| Sep 4, 3:33 AM CDT | Flash Flood Watch | DMX | Black Hawk, Boone, Bremer, Butler, Calhoun, Cerro Gordo and 22 more | 27 hr |
| Sep 4, 3:56 AM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 13 more | 39 hr |
| Sep 4, 4:00 AM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 33 hr |
| Sep 4, 4:01 AM CDT | Flash Flood Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien and 3 more | 17 hr |
| Sep 4, 9:34 AM CDT | River Flood Watch | DMX | Cerro Gordo, Floyd, Worth | 13 hr |
| Sep 4, 9:34 AM CDT | River Flood Watch | DMX | Black Hawk, Bremer, Butler | 25 hr |
| Sep 4, 10:02 AM CDT | River Flood Warning | OAX | Fremont | 7 days |
| Sep 4, 11:21 AM CDT | River Flood Warning | DVN | Muscatine, Scott | 9 days |
| Sep 4, 11:21 AM CDT | River Flood Warning | DVN | Muscatine | 11 days |
| Sep 4, 11:21 AM CDT | River Flood Warning | DVN | Louisa, Muscatine | 12 days |
| Sep 4, 11:21 AM CDT | River Flood Warning | DVN | Lee | 12 days |
| Sep 4, 11:23 AM CDT | River Flood Warning | ARX | Floyd | 58 hr |
| Sep 4, 1:47 PM CDT | River Flood Warning | OAX | Mills | 4 days |
| Sep 4, 2:06 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cerro Gordo and 22 more | 2 hr |
| Sep 4, 2:16 PM CDT | River Flood Warning | DVN | Jackson | 17 hr |
| Sep 4, 2:21 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto, Pocahontas | 14 min |
| Sep 4, 3:35 PM CDT | Tornado Watch | SPC | Allamakee, Audubon, Boone, Bremer, Butler, Calhoun and 26 more | 7 hr |
| Sep 4, 3:46 PM CDT | Tornado Warning | DMX | Kossuth | 29 min |
| Sep 4, 4:45 PM CDT | Tornado Warning | DMX | Hancock, Winnebago | 30 min |
| Sep 4, 5:09 PM CDT | Flash Flood Warning | DMX | Hancock, Kossuth, Winnebago | 6 hr |
| Sep 4, 6:19 PM CDT | Special Weather Statement | ARX | Mitchell | 86 min |
| Sep 4, 6:28 PM CDT | Mesoscale Discussion | SPC | Allamakee, Boone, Bremer, Butler, Cerro Gordo, Chickasaw and 16 more | 2 hr |
| Sep 4, 7:17 PM CDT | Special Weather Statement | ARX | Floyd, Mitchell | 43 min |
| Sep 4, 7:49 PM CDT | Special Weather Statement | ARX | Howard | 56 min |
| Sep 4, 7:55 PM CDT | Severe Thunderstorm Warning | ARX | Howard | 53 min |
| Sep 4, 8:28 PM CDT | Special Weather Statement | ARX | Fayette | 62 min |
| Sep 4, 9:04 PM CDT | Special Weather Statement | ARX | Allamakee, Clayton, Fayette, Winneshiek | 86 min |
| Sep 4, 9:07 PM CDT | Mesoscale Discussion | SPC | Allamakee, Fayette, Winneshiek | 83 min |
| Sep 4, 10:44 PM CDT | River Flood Warning | DMX | Cerro Gordo, Floyd, Worth | 11 hr |
| Sep 4, 11:49 PM CDT | River Flood Warning | FSD | Plymouth | 8 hr |
| Sep 5, 3:29 AM CDT | River Flood Warning | FSD | Clay, Dickinson | 7 hr |
| Sep 5, 6:12 AM CDT | Flash Flood Warning | DMX | Franklin | 4 hr |
| Sep 5, 7:12 AM CDT | Flash Flood Watch | DMX | Adair, Adams, Appanoose, Clarke, Davis, Decatur and 13 more | 20 hr |
| Sep 5, 9:49 AM CDT | Areal Flood Warning | DMX | Butler, Franklin, Wright | 6 hr |
| Sep 5, 10:15 AM CDT | River Flood Warning | DMX | Marshall | 4 days |
| Sep 5, 10:15 AM CDT | River Flood Warning | DMX | Black Hawk, Bremer, Butler | 4 days |
| Sep 5, 11:07 AM CDT | Flash Flood Warning | DMX | Jasper, Mahaska, Marion, Poweshiek | 4 hr |
| Sep 5, 12:08 PM CDT | Flash Flood Warning | DMX | Adams, Ringgold, Taylor, Union | 3 hr |
| Sep 5, 12:36 PM CDT | Special Weather Statement | DVN | Johnson | 69 min |
| Sep 5, 1:01 PM CDT | Flash Flood Warning | DVN | Benton, Iowa, Johnson, Linn | 6 hr |
| Sep 5, 2:27 PM CDT | Tornado Warning | DVN | Lee | 22 min |
| Sep 5, 3:46 PM CDT | Areal Flood Warning | DMX | Butler, Franklin, Wright | 24 hr |
| Sep 5, 3:50 PM CDT | River Flood Warning | DVN | Johnson, Louisa, Washington | 4 days |
| Sep 5, 3:50 PM CDT | River Flood Warning | DVN | Johnson, Washington | 5 days |
| Sep 5, 3:53 PM CDT | Areal Flood Warning | DMX | Mahaska, Poweshiek | 24 hr |
| Sep 6, 2:16 AM CDT | River Flood Warning | FSD | Clay | 51 hr |
| Sep 6, 5:56 AM CDT | River Flood Warning | DMX | Dallas, Greene | 72 hr |
| Sep 6, 7:51 AM CDT | Special Weather Statement | DVN | Scott | 114 min |
| Sep 6, 8:19 AM CDT | River Flood Warning | FSD | Buena Vista, Clay | 5 days |
| Sep 6, 9:02 AM CDT | River Flood Warning | DVN | Des Moines, Henry, Lee | 8 days |
| Sep 6, 1:44 PM CDT | River Flood Warning | DVN | Lee | 49 hr |
| Sep 6, 2:35 PM CDT | Areal Flood Warning | DMX | Butler | 6 hr |
| Sep 6, 2:38 PM CDT | Flash Flood Watch | DVN | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 2 more | 36 hr |
| Sep 6, 2:41 PM CDT | Areal Flood Warning | DMX | Mahaska | 24 hr |
| Sep 6, 3:01 PM CDT | Flash Flood Watch | DMX | Appanoose, Clarke, Davis, Decatur, Lucas, Mahaska and 5 more | 36 hr |
| Sep 11, 8:30 AM CDT | River Flood Warning | DVN | Des Moines, Henry, Lee | 65 hr |
| Sep 17, 2:14 PM CDT | Special Weather Statement | DMX | Emmet, Hancock, Kossuth, Palo Alto, Winnebago | 61 min |
| Sep 17, 3:02 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Humboldt, Kossuth, Wright | 43 min |
| Sep 17, 3:05 PM CDT | Mesoscale Discussion | SPC | Cerro Gordo, Chickasaw, Floyd, Hancock, Howard, Mitchell and 3 more | 115 min |
| Sep 17, 3:19 PM CDT | Special Weather Statement | ARX | Allamakee, Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 71 min |
| Sep 17, 3:24 PM CDT | Special Weather Statement | DMX | Cerro Gordo | 36 min |
| Sep 17, 3:43 PM CDT | Special Weather Statement | DMX | Franklin | 47 min |
| Sep 17, 4:16 PM CDT | Special Weather Statement | ARX | Allamakee, Fayette, Winneshiek | 29 min |
| Sep 17, 5:33 PM CDT | Special Weather Statement | DVN | Buchanan | 27 min |
| Sep 18, 2:48 AM CDT | Mesoscale Discussion | SPC | Lyon | 2 hr |
| Sep 18, 5:48 AM CDT | Mesoscale Discussion | SPC | Dickinson, Emmet, Lyon, Osceola | 2 hr |
| Sep 18, 7:50 AM CDT | Special Weather Statement | DMX | Cerro Gordo, Hancock | 55 min |
| Sep 18, 8:17 AM CDT | Special Weather Statement | ARX | Chickasaw, Clayton, Fayette, Floyd | 28 min |
| Sep 18, 8:25 AM CDT | Special Weather Statement | DMX | Hancock, Humboldt, Kossuth, Winnebago | 50 min |
| Sep 18, 8:55 AM CDT | Special Weather Statement | DVN | Buchanan | 65 min |
| Sep 18, 9:47 AM CDT | Special Weather Statement | DVN | Benton | 58 min |
| Sep 18, 10:09 AM CDT | Special Weather Statement | DMX | Jasper, Madison, Mahaska, Marion, Marshall, Polk and 4 more | 81 min |
| Sep 18, 10:41 AM CDT | Special Weather Statement | DVN | Iowa, Johnson, Keokuk, Louisa, Washington | 64 min |
| Sep 18, 10:48 AM CDT | Flash Flood Warning | FSD | Woodbury | 2 hr |
| Sep 18, 11:25 AM CDT | Special Weather Statement | DMX | Adair, Adams, Clarke, Dallas, Guthrie, Jasper and 9 more | 65 min |
| Sep 18, 11:28 AM CDT | Special Weather Statement | OAX | Monona | 32 min |
| Sep 18, 11:47 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Louisa, Muscatine, Scott, Washington | 58 min |
| Sep 18, 12:32 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Louisa | 58 min |
| Sep 18, 1:20 PM CDT | Special Weather Statement | DVN | Des Moines | 55 min |
| Sep 18, 1:23 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 39 min |
| Sep 18, 2:12 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 48 min |
| Sep 18, 2:46 PM CDT | Special Weather Statement | DMX | Adair | 59 min |
| Sep 18, 2:59 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Dallas, Guthrie, Madison | 46 min |
| Sep 18, 3:06 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Clarke, Decatur and 13 more | 84 min |
| Sep 18, 3:07 PM CDT | Special Weather Statement | DVN | Lee | 53 min |
| Sep 18, 3:22 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Taylor | 38 min |
| Sep 18, 4:20 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Ringgold | 40 min |
| Sep 18, 4:49 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 41 min |
| Sep 18, 5:11 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Montgomery, Page, Ringgold, Taylor | 64 min |
| Sep 18, 6:09 PM CDT | Special Weather Statement | DMX | Adams, Ringgold, Taylor | 81 min |
| Sep 18, 9:34 PM CDT | River Flood Watch | DVN | Iowa | 24 hr |
| Sep 19, 12:21 AM CDT | Special Weather Statement | OAX | Harrison | 24 min |
| Sep 19, 12:33 AM CDT | Special Weather Statement | OAX | Shelby | 27 min |
| Sep 19, 1:23 AM CDT | Special Weather Statement | DVN | Jefferson, Lee | 22 min |
| Sep 19, 1:47 AM CDT | Special Weather Statement | DVN | Jefferson, Lee, Van Buren | 58 min |
| Sep 19, 2:40 AM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 16 more | 3 hr |
| Sep 19, 4:10 AM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 32 hr |
| Sep 19, 6:45 AM CDT | Special Weather Statement | DMX | Calhoun | 60 min |
| Sep 19, 7:55 AM CDT | Special Weather Statement | DMX | Boone, Greene, Hamilton, Hardin, Story, Webster | 65 min |
| Sep 19, 8:53 AM CDT | Special Weather Statement | ARX | Chickasaw, Fayette, Howard, Winneshiek | 52 min |
| Sep 19, 9:10 AM CDT | Special Weather Statement | DVN | Des Moines, Henry, Washington | 80 min |
| Sep 19, 10:24 AM CDT | River Flood Warning | DMX | Black Hawk | 10 days |
| Sep 19, 10:24 AM CDT | River Flood Warning | DMX | Black Hawk | 7 days |
| Sep 19, 10:24 AM CDT | River Flood Warning | DMX | Black Hawk, Bremer, Butler | 5 days |
| Sep 19, 10:31 AM CDT | Flash Flood Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien and 4 more | 26 hr |
| Sep 19, 10:38 AM CDT | River Flood Watch | DVN | Benton, Linn | 7 days |
| Sep 19, 10:38 AM CDT | River Flood Watch | DVN | Cedar, Johnson, Linn | 48 hr |
| Sep 19, 10:38 AM CDT | River Flood Watch | DVN | Cedar, Louisa, Muscatine | 35 hr |
| Sep 19, 10:41 AM CDT | Flash Flood Watch | DMX | Bremer, Butler, Cerro Gordo, Emmet, Franklin, Hancock and 7 more | 25 hr |
| Sep 19, 11:51 AM CDT | Special Weather Statement | DVN | Cedar, Johnson, Louisa, Muscatine, Washington | 54 min |
| Sep 19, 2:21 PM CDT | Special Weather Statement | DVN | Cedar, Iowa, Johnson | 54 min |
| Sep 19, 3:30 PM CDT | Special Weather Statement | DMX | Appanoose | 60 min |
| Sep 19, 8:49 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto, Pocahontas | 25 min |
| Sep 19, 8:49 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 12 min |
| Sep 19, 9:07 PM CDT | River Flood Watch | DVN | Clinton, Scott | 12 hr |
| Sep 19, 9:48 PM CDT | River Flood Warning | DVN | Iowa | 35 days |
| Sep 19, 9:52 PM CDT | River Flood Watch | DVN | Louisa | 37 hr |
| Sep 19, 9:52 PM CDT | River Flood Watch | DVN | Louisa | 24 hr |
| Sep 19, 9:54 PM CDT | River Flood Warning | DMX | Cerro Gordo, Floyd, Worth | 3 days |
| Sep 19, 9:54 PM CDT | River Flood Warning | DMX | Emmet | 15 days |
| Sep 19, 9:57 PM CDT | River Flood Watch | DMX | Humboldt, Kossuth | 7 days |
| Sep 19, 10:22 PM CDT | Flash Flood Warning | DMX | Franklin, Wright | 6 hr |
| Sep 20, 1:16 AM CDT | Flash Flood Warning | ARX | Clayton, Fayette | 3 hr |
| Sep 20, 2:37 AM CDT | River Flood Warning | ARX | Clayton | 5 days |
| Sep 20, 2:37 AM CDT | River Flood Warning | ARX | Clayton | 4 days |
| Sep 20, 2:51 AM CDT | Areal Flood Warning | ARX | Clayton, Fayette | 12 hr |
| Sep 20, 4:14 AM CDT | Areal Flood Warning | DMX | Franklin, Wright | 24 hr |
| Sep 20, 4:35 AM CDT | Flash Flood Warning | FSD | Clay, Lyon, O'Brien, Osceola, Sioux | 5 hr |
| Sep 20, 4:55 AM CDT | River Flood Warning | DMX | Wright | 6 days |
| Sep 20, 4:55 AM CDT | River Flood Warning | DMX | Humboldt | 9 days |
| Sep 20, 4:57 AM CDT | River Flood Watch | DMX | Webster | 24 hr |
| Sep 20, 4:57 AM CDT | River Flood Watch | DMX | Palo Alto, Pocahontas | 6 days |
| Sep 20, 6:32 AM CDT | River Flood Warning | FSD | O'Brien | 41 hr |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Lyon | 51 hr |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Plymouth, Sioux | 10 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Plymouth | 12 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Clay | 8 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Lyon | 4 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Lyon, Sioux | 4 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Sioux | 28 hr |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | O'Brien | 24 hr |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Sioux | 4 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Clay, Dickinson | 12 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Clay | 14 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Buena Vista, Clay | 32 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | O'Brien | 4 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | Cherokee | 12 days |
| Sep 20, 7:06 AM CDT | River Flood Warning | FSD | Plymouth | 3 days |
| Sep 20, 8:51 AM CDT | Areal Flood Warning | DMX | Cerro Gordo, Emmet, Hancock, Kossuth, Palo Alto, Winnebago and 1 more | 48 hr |
| Sep 20, 9:15 AM CDT | River Flood Warning | FSD | Plymouth, Sioux | 61 hr |
| Sep 20, 9:15 AM CDT | River Flood Warning | FSD | Plymouth | 4 days |
| Sep 20, 9:15 AM CDT | River Flood Warning | FSD | Clay | 42 hr |
| Sep 20, 9:15 AM CDT | River Flood Warning | FSD | Woodbury | 8 days |
| Sep 20, 9:15 AM CDT | River Flood Warning | FSD | Lyon | 47 hr |
| Sep 20, 9:25 AM CDT | River Flood Warning | DVN | Cedar, Jones, Linn | 10 days |
| Sep 20, 9:25 AM CDT | River Flood Warning | DVN | Clinton, Scott | 33 days |
| Sep 20, 9:30 AM CDT | Flash Flood Warning | FSD | Clay, Lyon, O'Brien, Osceola, Sioux | 3 hr |
| Sep 20, 10:31 AM CDT | River Flood Watch | DVN | Louisa | 24 hr |
| Sep 20, 10:46 AM CDT | River Flood Watch | DMX | Tama | 3 days |
| Sep 20, 10:51 AM CDT | River Flood Warning | ARX | Winneshiek | 36 hr |
| Sep 20, 11:17 AM CDT | River Flood Warning | FSD | Lyon | 6 days |
| Sep 20, 11:19 AM CDT | River Flood Watch | DVN | Des Moines | 35 hr |
| Sep 20, 11:19 AM CDT | River Flood Watch | DVN | Des Moines, Lee | 35 hr |
| Sep 20, 11:23 AM CDT | River Flood Warning | DMX | Webster | 7 days |
| Sep 20, 11:23 AM CDT | River Flood Warning | DMX | Palo Alto, Pocahontas | 5 days |
| Sep 20, 11:23 AM CDT | River Flood Warning | DMX | Humboldt, Kossuth | 8 days |
| Sep 20, 12:39 PM CDT | Areal Flood Warning | FSD | Clay, Lyon, O'Brien, Sioux | 12 hr |
| Sep 20, 2:15 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cerro Gordo, Cherokee, Clay, Dickinson, Emmet and 12 more | 3 hr |
| Sep 20, 2:31 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 23 more | 119 min |
| Sep 20, 2:38 PM CDT | River Flood Warning | DVN | Delaware, Jones | 50 hr |
| Sep 20, 2:44 PM CDT | River Flood Warning | FSD | Lyon, Sioux | 5 days |
| Sep 20, 3:11 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 38 more | 8 hr |
| Sep 20, 3:32 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 43 min |
| Sep 20, 3:59 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 46 min |
| Sep 20, 4:17 PM CDT | Tornado Warning | FSD | Plymouth, Woodbury | 28 min |
| Sep 20, 4:56 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 34 min |
| Sep 20, 5:02 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson, O'Brien, Osceola | 28 min |
| Sep 20, 5:13 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 47 min |
| Sep 20, 5:13 PM CDT | Special Weather Statement | OAX | Monona | 47 min |
| Sep 20, 5:19 PM CDT | Special Weather Statement | DMX | Calhoun, Crawford, Kossuth, Palo Alto, Pocahontas, Sac | 56 min |
| Sep 20, 5:26 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona, Shelby | 49 min |
| Sep 20, 5:29 PM CDT | Mesoscale Discussion | SPC | Allamakee | 2 hr |
| Sep 20, 5:41 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth, Palo Alto | 34 min |
| Sep 20, 5:43 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Crawford, Pocahontas, Sac | 47 min |
| Sep 20, 5:48 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Bremer, Buena Vista, Butler, Calhoun and 37 more | 57 min |
| Sep 20, 5:49 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth, Palo Alto, Pocahontas | 26 min |
| Sep 20, 5:50 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Ida | 25 min |
| Sep 20, 5:52 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Kossuth, Winnebago, Worth | 38 min |
| Sep 20, 5:59 PM CDT | Special Weather Statement | ARX | Chickasaw, Floyd, Howard, Mitchell | 61 min |
| Sep 20, 6:17 PM CDT | Special Weather Statement | DMX | Humboldt, Pocahontas | 58 min |
| Sep 20, 6:19 PM CDT | Special Weather Statement | OAX | Harrison, Shelby | 26 min |
| Sep 20, 6:23 PM CDT | Tornado Watch | SPC | Allamakee, Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 5 hr |
| Sep 20, 6:25 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Hancock, Humboldt, Kossuth, Pocahontas, Webster and 1 more | 50 min |
| Sep 20, 6:28 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Kossuth, Winnebago, Worth | 47 min |
| Sep 20, 6:41 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Hamilton, Webster, Wright | 34 min |
| Sep 20, 6:59 PM CDT | Special Weather Statement | DMX | Boone, Greene | 61 min |
| Sep 20, 7:05 PM CDT | Special Weather Statement | DMX | Cerro Gordo, Franklin, Hancock, Worth, Wright | 55 min |
| Sep 20, 7:14 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 31 min |
| Sep 20, 7:18 PM CDT | Special Weather Statement | ARX | Floyd, Mitchell | 72 min |
| Sep 20, 7:50 PM CDT | Special Weather Statement | ARX | Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 85 min |
| Sep 20, 7:54 PM CDT | Special Weather Statement | DMX | Audubon, Boone, Carroll, Greene | 51 min |
| Sep 20, 7:56 PM CDT | Special Weather Statement | OAX | Shelby | 34 min |
| Sep 20, 8:13 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Mitchell | 47 min |
| Sep 20, 8:20 PM CDT | Mesoscale Discussion | SPC | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 115 min |
| Sep 20, 8:24 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 36 min |
| Sep 20, 8:33 PM CDT | Severe Thunderstorm Warning | ARX | Howard | 42 min |
| Sep 20, 8:43 PM CDT | Special Weather Statement | DMX | Audubon, Boone, Carroll, Greene, Guthrie, Hamilton and 1 more | 62 min |
| Sep 20, 8:49 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page | 26 min |
| Sep 20, 9:01 PM CDT | Special Weather Statement | DMX | Adair, Adams, Cass, Union | 59 min |
| Sep 20, 9:12 PM CDT | Special Weather Statement | ARX | Allamakee, Clayton, Fayette | 93 min |
| Sep 20, 9:17 PM CDT | River Flood Warning | DVN | Cedar, Louisa, Muscatine | 33 days |
| Sep 20, 9:17 PM CDT | River Flood Warning | DVN | Louisa | 36 days |
| Sep 20, 9:17 PM CDT | River Flood Warning | DVN | Louisa | 38 days |
| Sep 20, 9:49 PM CDT | Areal Flood Warning | DMX | Butler | 24 hr |
| Sep 21, 12:31 AM CDT | Areal Flood Warning | FSD | Clay, Lyon, O'Brien, Sioux | 24 hr |
| Sep 21, 1:11 AM CDT | Special Weather Statement | DVN | Cedar, Clinton, Des Moines, Henry, Jackson, Lee and 4 more | 79 min |
| Sep 21, 4:14 AM CDT | River Flood Warning | ARX | Floyd | 46 hr |
| Sep 21, 4:16 AM CDT | River Flood Warning | DVN | Buchanan, Linn | 4 days |
| Sep 21, 6:03 AM CDT | River Flood Warning | ARX | Winneshiek | 22 hr |
| Sep 21, 8:38 AM CDT | River Flood Warning | FSD | Dickinson | 4 days |
| Sep 21, 8:38 AM CDT | River Flood Warning | FSD | Plymouth | 11 days |
| Sep 21, 10:06 AM CDT | River Flood Warning | OAX | Harrison | 7 days |
| Sep 21, 10:06 AM CDT | River Flood Warning | OAX | Mills | 13 days |
| Sep 21, 10:06 AM CDT | River Flood Warning | OAX | Fremont | 40 days |
| Sep 21, 10:25 AM CDT | River Flood Advisory | OAX | Pottawattamie | 8 days |
| Sep 21, 10:30 AM CDT | River Flood Warning | DVN | Benton, Linn | 6 days |
| Sep 21, 10:30 AM CDT | River Flood Warning | DVN | Cedar, Johnson, Linn | 8 days |
| Sep 21, 10:30 AM CDT | River Flood Warning | DVN | Louisa | 32 days |
| Sep 21, 10:37 AM CDT | River Flood Warning | DMX | Boone, Hamilton, Webster | 5 days |
| Sep 21, 11:17 AM CDT | River Flood Watch | DVN | Des Moines, Louisa | 24 hr |
| Sep 21, 8:52 PM CDT | River Flood Watch | DMX | Humboldt | 23 hr |
| Sep 21, 9:11 PM CDT | River Flood Warning | DMX | Black Hawk | 25 hr |
| Sep 21, 9:58 PM CDT | River Flood Warning | DVN | Des Moines, Louisa | 40 days |
| Sep 21, 9:58 PM CDT | River Flood Warning | DVN | Des Moines | 43 days |
| Sep 21, 9:58 PM CDT | River Flood Warning | DVN | Des Moines, Lee | 43 days |
| Sep 22, 12:35 AM CDT | Areal Flood Warning | FSD | Clay, Lyon, O'Brien, Sioux | 24 hr |
| Sep 22, 9:24 AM CDT | River Flood Warning | FSD | Plymouth, Woodbury | 30 hr |
| Sep 22, 8:02 PM CDT | River Flood Warning | DMX | Humboldt | 25 hr |
| Sep 22, 9:44 PM CDT | River Flood Warning | FSD | Dickinson | 4 days |
| Sep 23, 5:19 AM CDT | River Flood Warning | DMX | Hamilton, Webster | 34 hr |
| Sep 25, 9:27 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 24 more | 2 hr |
| Sep 25, 9:29 AM CDT | Special Weather Statement | DMX | Audubon, Guthrie | 46 min |
| Sep 25, 10:28 AM CDT | Special Weather Statement | DMX | Boone, Dallas, Polk | 62 min |
| Sep 25, 11:05 AM CDT | Special Weather Statement | DMX | Polk, Story | 55 min |
| Sep 25, 11:38 AM CDT | Special Weather Statement | DMX | Jasper, Marshall, Poweshiek, Tama | 52 min |
| Sep 25, 12:48 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Linn | 42 min |
| Sep 25, 1:07 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Buchanan, Cedar, Clayton, Clinton and 23 more | 113 min |
| Sep 25, 1:17 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Keokuk, Washington | 43 min |
| Sep 25, 1:19 PM CDT | Tornado Warning | DVN | Henry, Louisa, Washington | 41 min |
| Sep 25, 1:28 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jackson, Johnson, Jones, Linn and 1 more | 62 min |
| Sep 25, 1:28 PM CDT | Tornado Warning | DVN | Jones, Linn | 47 min |
| Sep 25, 1:36 PM CDT | Severe Thunderstorm Watch | SPC | Cedar, Clinton, Des Moines, Dubuque, Henry, Jackson and 5 more | 8 hr |
| Sep 25, 1:49 PM CDT | Tornado Warning | DVN | Louisa, Muscatine | 41 min |
| Sep 25, 1:51 PM CDT | Tornado Warning | DVN | Cedar, Jones | 24 min |
| Sep 25, 2:12 PM CDT | Tornado Warning | DVN | Henry, Louisa, Washington | 27 min |
| Sep 25, 2:27 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Muscatine, Scott | 63 min |
| Sep 25, 3:39 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Dubuque, Jackson, Jones and 4 more | 96 min |
| Sep 25, 4:32 PM CDT | River Flood Warning | DMX | Tama | 4 days |
| Sep 28, 3:00 AM CDT | Frost Advisory | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 13 more | 29 hr |
| Sep 28, 3:40 AM CDT | Frost Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 28 hr |
| Sep 28, 3:41 AM CDT | Frost Advisory | DVN | Benton, Buchanan, Clinton, Delaware, Dubuque, Jackson and 2 more | 28 hr |
| Sep 28, 10:08 AM CDT | River Flood Advisory | OAX | Harrison | 25 hr |
| Sep 28, 11:11 AM CDT | River Flood Warning | DVN | Louisa | 33 days |
| Sep 28, 12:05 PM CDT | Frost Advisory | FSD | Clay, Dickinson, Osceola | 19 hr |
| Sep 29, 2:32 PM CDT | River Flood Advisory | OAX | Harrison | 5 days |
| Sep 29, 2:32 PM CDT | River Flood Advisory | OAX | Pottawattamie | 5 days |
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.
- Louisa County41
- Linn County32
- Des Moines County28
- Washington County28
- Cedar County27
- Iowa County26
- Mills County26
- Keokuk County25
- Fremont County25
- Polk County25
- Johnson County25
- Muscatine County25
- Boone County25
- Poweshiek County24
- Dallas County23
- Pottawattamie County23
- Story County23
- Kossuth County23
- Adair County22
- Montgomery County22
- Benton County22
- Buchanan County22
- Jones County22
- Scott County22
- Floyd County22
- Clay County22
- Cass County21
- Jasper County21
- Mahaska County21
- Black Hawk County21
- Hancock County21
- Humboldt County21
- Henry County20
- Jefferson County20
- Adams County20
- Guthrie County20
- Butler County20
- Franklin County20
- Winneshiek County20
- Delaware County19
59 more counties
- Webster County19
- Wright County19
- Clayton County19
- Cerro Gordo County19
- Pocahontas County19
- Lee County18
- Audubon County18
- Greene County18
- Madison County18
- Union County18
- Tama County18
- Clinton County18
- Palo Alto County18
- Howard County18
- Mitchell County18
- Lyon County18
- Ringgold County17
- Taylor County17
- Jackson County17
- Bremer County17
- Hamilton County17
- Chickasaw County17
- Fayette County17
- Winnebago County17
- Worth County17
- Marion County16
- Shelby County16
- Warren County16
- Carroll County15
- Clarke County15
- Harrison County15
- Page County15
- Dubuque County15
- Allamakee County15
- Emmet County15
- Plymouth County15
- Sioux County15
- Calhoun County14
- Marshall County14
- O'Brien County14
- Decatur County12
- Lucas County12
- Monroe County12
- Grundy County12
- Hardin County12
- Buena Vista County12
- Dickinson County12
- Appanoose County11
- Van Buren County10
- Wayne County10
- Wapello County10
- Osceola County10
- Woodbury County10
- Crawford County9
- Monona County9
- Davis County9
- Sac County9
- Cherokee County7
- Ida County7
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.