Alert archive / Iowa / 2026
Weather alerts in Iowa, March 2026
171 weather alerts in March 2026, 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 March 2026. Tap one for its archive.
- Alerts
- 171
- Warnings
- 77
- Watches
- 29
- Advisories
- 25
- Busiest day
- March 31, 202626 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 |
|---|---|---|---|---|
| Mar 3, 6:23 PM CST | Dense Fog Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 16 hr |
| Mar 3, 11:38 PM CST | Dense Fog Advisory | DMX | Black Hawk, Boone, Bremer, Butler, Calhoun, Carroll and 18 more | 10 hr |
| Mar 3, 11:43 PM CST | Dense Fog Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 8 hr |
| Mar 4, 3:11 AM CST | Dense Fog Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 4 more | 9 hr |
| Mar 4, 8:30 AM CST | Dense Fog Advisory | FSD | Buena Vista, Clay, Dickinson, Lyon, O'Brien, Osceola and 1 more | 3 hr |
| Mar 4, 8:40 PM CST | Dense Fog Advisory | DVN | Cedar, Clinton, Des Moines, Henry, Iowa, Jackson and 11 more | 12 hr |
| Mar 4, 9:55 PM CST | Dense Fog Advisory | DMX | Appanoose, Davis, Decatur, Jasper, Lucas, Mahaska and 7 more | 11 hr |
| Mar 5, 1:55 PM CST | Winter Weather Advisory | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 41 hr |
| Mar 6, 1:56 AM CST | Special Weather Statement | DVN | Van Buren | 49 min |
| Mar 6, 2:42 AM CST | Special Weather Statement | DMX | Wapello | 33 min |
| Mar 6, 2:53 AM CST | Special Weather Statement | DVN | Henry | 52 min |
| Mar 6, 3:28 AM CST | Special Weather Statement | DVN | Washington | 47 min |
| Mar 6, 6:22 AM CST | Dense Fog Advisory | FSD | Lyon, Osceola, Sioux | 5 hr |
| Mar 6, 7:48 AM CST | Special Weather Statement | DMX | Adair | 27 min |
| Mar 6, 8:06 AM CST | Special Weather Statement | DMX | Guthrie | 9 min |
| Mar 6, 10:31 AM CST | Special Weather Statement | DMX | Cerro Gordo, Worth | 29 min |
| Mar 6, 10:38 AM CST | Special Weather Statement | ARX | Floyd, Mitchell | 52 min |
| Mar 6, 11:18 AM CST | River Flood Watch | DVN | Benton, Iowa | 47 hr |
| Mar 6, 11:19 AM CST | River Flood Watch | DVN | Louisa, Muscatine | 32 hr |
| Mar 6, 1:16 PM CST | Winter Weather Advisory | DMX | Emmet, Hancock, Humboldt, Kossuth, Palo Alto, Pocahontas and 1 more | 19 hr |
| Mar 6, 1:50 PM CST | Mesoscale Discussion | SPC | Adair, Adams, Cass, Fremont, Mills, Montgomery and 5 more | 2 hr |
| Mar 6, 3:16 PM CST | Tornado Watch | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 21 more | 9 hr |
| Mar 6, 5:23 PM CST | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Cass, Clarke and 15 more | 2 hr |
| Mar 6, 5:42 PM CST | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Pottawattamie | 37 min |
| Mar 6, 6:10 PM CST | Severe Thunderstorm Warning | DMX | Cass | 34 min |
| Mar 6, 6:21 PM CST | Severe Thunderstorm Warning | OAX | Montgomery | 24 min |
| Mar 6, 7:12 PM CST | Mesoscale Discussion | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 20 more | 2 hr |
| Mar 6, 7:23 PM CST | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk | 29 min |
| Mar 6, 8:06 PM CST | Special Weather Statement | OAX | Pottawattamie | 24 min |
| Mar 6, 8:18 PM CST | Tornado Watch | SPC | Appanoose, Benton, Black Hawk, Buchanan, Cedar, Clinton and 30 more | 6 hr |
| Mar 6, 8:32 PM CST | Severe Thunderstorm Warning | OAX | Harrison, Monona | 28 min |
| Mar 6, 9:29 PM CST | Severe Thunderstorm Warning | DVN | Benton, Buchanan | 61 min |
| Mar 6, 9:35 PM CST | Severe Thunderstorm Warning | OAX | Pottawattamie | 25 min |
| Mar 6, 9:43 PM CST | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Buchanan, Clarke, Davis and 24 more | 2 hr |
| Mar 6, 11:48 PM CST | Special Weather Statement | DVN | Clinton, Muscatine, Scott | 57 min |
| Mar 7, 12:34 AM CST | Special Weather Statement | DVN | Jackson | 56 min |
| Mar 7, 12:51 AM CST | Special Weather Statement | DVN | Clinton | 39 min |
| Mar 10, 10:00 AM CDT | Dense Fog Advisory | DVN | Henry, Jefferson, Keokuk, Washington | 3 hr |
| Mar 10, 11:43 AM CDT | Fire Weather Watch | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 25 hr |
| Mar 10, 1:53 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Jefferson, Lee, Louisa, Muscatine and 2 more | 3 hr |
| Mar 10, 3:57 PM CDT | Tornado Watch | SPC | Des Moines, Henry, Jefferson, Lee, Louisa, Van Buren | 10 hr |
| Mar 10, 4:53 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Jackson, Johnson, Jones, Muscatine and 1 more | 97 min |
| Mar 10, 5:40 PM CDT | Severe Thunderstorm Watch | SPC | Cedar, Clinton, Dubuque, Jackson, Johnson, Jones and 3 more | 7 hr |
| Mar 10, 5:41 PM CDT | Mesoscale Discussion | SPC | Appanoose, Lee | 2 hr |
| Mar 10, 5:54 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Louisa | 51 min |
| Mar 10, 5:57 PM CDT | Tornado Watch | SPC | Davis | 6 hr |
| Mar 10, 6:01 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 44 min |
| Mar 10, 6:06 PM CDT | Severe Thunderstorm Warning | DMX | Davis, Wapello | 39 min |
| Mar 10, 6:11 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Van Buren | 64 min |
| Mar 10, 6:38 PM CDT | Tornado Warning | DVN | Henry, Jefferson | 20 min |
| Mar 10, 6:40 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jones | 50 min |
| Mar 10, 6:42 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 33 min |
| Mar 10, 6:45 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Louisa | 44 min |
| Mar 10, 6:57 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Muscatine, Scott, Washington | 48 min |
| Mar 10, 6:58 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Washington | 45 min |
| Mar 10, 6:59 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Jones, Linn | 26 min |
| Mar 10, 7:18 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 42 min |
| Mar 10, 7:21 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Dubuque, Jackson, Johnson, Jones and 2 more | 84 min |
| Mar 10, 7:22 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 38 min |
| Mar 10, 7:23 PM CDT | Severe Thunderstorm Warning | DVN | Louisa | 52 min |
| Mar 10, 7:26 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jackson, Jones, Linn | 39 min |
| Mar 10, 7:43 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Scott | 33 min |
| Mar 10, 7:49 PM CDT | Severe Thunderstorm Warning | DVN | Louisa | 56 min |
| Mar 10, 7:51 PM CDT | Mesoscale Discussion | SPC | Des Moines, Lee | 54 min |
| Mar 10, 7:55 PM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 65 min |
| Mar 10, 7:55 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jones | 32 min |
| Mar 10, 8:02 PM CDT | Tornado Warning | DVN | Van Buren | 43 min |
| Mar 10, 8:20 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 27 min |
| Mar 10, 8:22 PM CDT | Mesoscale Discussion | SPC | Lee | 83 min |
| Mar 10, 8:41 PM CDT | Tornado Warning | DVN | Lee, Van Buren | 64 min |
| Mar 10, 8:59 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 46 min |
| Mar 10, 9:36 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 30 min |
| Mar 10, 10:01 PM CDT | Mesoscale Discussion | SPC | Lee | 89 min |
| Mar 10, 11:57 PM CDT | High Wind Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 21 hr |
| Mar 11, 12:01 AM CDT | Fire Weather Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 21 hr |
| Mar 11, 11:06 AM CDT | High Wind Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 10 hr |
| Mar 11, 11:23 AM CDT | High Wind Watch | DMX | Black Hawk, Boone, Bremer, Butler, Calhoun, Carroll and 21 more | 10 hr |
| 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, 12:53 PM CDT | High Wind Watch | DVN | Benton, Buchanan, Delaware, Dubuque, Linn | 14 hr |
| Mar 11, 1:59 PM CDT | High Wind Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 41 hr |
| Mar 11, 8:50 PM CDT | Red Flag Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 23 hr |
| Mar 11, 9:15 PM CDT | High Wind Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 35 hr |
| Mar 11, 9:15 PM CDT | Wind Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 40 hr |
| Mar 11, 9:33 PM CDT | High Wind Warning | DMX | Audubon, Black Hawk, Boone, Bremer, Butler, Calhoun and 27 more | 35 hr |
| Mar 11, 9:54 PM CDT | High Wind Watch | OAX | Mills, Montgomery, Pottawattamie | 13 hr |
| Mar 11, 9:54 PM CDT | High Wind Warning | OAX | Harrison, Monona, Shelby | 30 hr |
| Mar 12, 2:34 AM CDT | Wind Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 33 hr |
| Mar 12, 3:48 AM CDT | High Wind Watch | DMX | Adair, Adams, Cass, Clarke, Lucas, Madison and 6 more | 6 hr |
| Mar 12, 10:04 AM CDT | Wind Advisory | DMX | Adair, Adams, Appanoose, Black Hawk, Bremer, Butler and 27 more | 26 hr |
| Mar 12, 10:37 AM CDT | High Wind Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more | 28 hr |
| Mar 12, 10:37 AM CDT | Wind Advisory | OAX | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 8 hr |
| Mar 12, 10:37 AM CDT | Wind Advisory | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 17 hr |
| Mar 12, 2:20 PM CDT | Winter Storm Watch | DMX | Adair, Audubon, Black Hawk, Boone, Bremer, Butler and 33 more | 45 hr |
| Mar 12, 2:30 PM CDT | Winter Storm Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 46 hr |
| Mar 12, 2:35 PM CDT | Winter Storm Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 47 hr |
| Mar 13, 2:55 AM CDT | Winter Storm Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 13 more | 56 hr |
| Mar 13, 11:44 AM CDT | High Wind Watch | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 24 hr |
| Mar 13, 11:44 AM CDT | Winter Storm Watch | OAX | Harrison, Monona, Pottawattamie, Shelby | 24 hr |
| Mar 13, 9:20 PM CDT | Blizzard Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 56 hr |
| Mar 14, 2:00 AM CDT | High Wind Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 11 hr |
| Mar 14, 3:09 AM CDT | High Wind Watch | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 8 hr |
| Mar 14, 6:09 AM CDT | Winter Weather Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 31 hr |
| Mar 14, 11:16 AM CDT | Winter Storm Warning | OAX | Monona, Shelby | 12 hr |
| Mar 14, 11:16 AM CDT | Winter Weather Advisory | OAX | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie | 35 hr |
| Mar 14, 11:22 AM CDT | High Wind Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 38 hr |
| Mar 14, 11:34 AM CDT | Blizzard Warning | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 43 hr |
| Mar 14, 11:37 AM CDT | High Wind Warning | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 40 hr |
| Mar 14, 12:33 PM CDT | Blizzard Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 48 hr |
| Mar 14, 12:33 PM CDT | High Wind Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 41 hr |
| Mar 14, 12:46 PM CDT | Blizzard Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 46 hr |
| Mar 14, 1:11 PM CDT | High Wind Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 36 hr |
| Mar 14, 11:18 PM CDT | Cold Weather Advisory | OAX | Harrison, Monona, Montgomery, Pottawattamie, Shelby | 35 hr |
| Mar 14, 11:35 PM CDT | Blizzard Warning | OAX | Monona, Shelby | 22 hr |
| Mar 14, 11:55 PM CDT | Mesoscale Discussion | SPC | Dickinson, Emmet, Osceola, Winnebago | 5 hr |
| Mar 15, 7:52 AM CDT | Special Weather Statement | DMX | Lucas | 23 min |
| Mar 15, 9:19 AM CDT | Severe Thunderstorm Warning | DVN | Johnson, Louisa, Washington | 26 min |
| Mar 15, 9:39 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Muscatine | 33 min |
| Mar 15, 9:49 AM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cass and 31 more | 6 hr |
| Mar 15, 1:18 PM CDT | Winter Weather Advisory | DVN | Benton, Buchanan, Cedar, Delaware, Des Moines, Dubuque and 12 more | 24 hr |
| Mar 15, 2:31 PM CDT | Cold Weather Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 20 hr |
| Mar 15, 8:21 PM CDT | Cold Weather Advisory | DMX | Adair, Audubon, Boone, Calhoun, Carroll, Cass and 18 more | 14 hr |
| Mar 16, 3:43 AM CDT | Winter Weather Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 9 hr |
| Mar 16, 5:37 AM CDT | Winter Weather Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 4 hr |
| Mar 16, 1:05 PM CDT | Winter Weather Advisory | DVN | Cedar, Clinton, Delaware, Des Moines, Dubuque, Henry and 13 more | 11 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 | Fire Weather Watch | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 19 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 | Fire Weather Watch | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 22 hr |
| Mar 26, 1:42 PM CDT | Red Flag Warning | DMX | Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 26 more | 31 hr |
| Mar 26, 1:57 PM CDT | Fire Weather Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 21 hr |
| Mar 26, 4:15 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Lee | 8 hr |
| Mar 26, 7:58 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Van Buren, Wapello, Wayne | 2 hr |
| Mar 26, 8:19 PM CDT | Special Weather Statement | DVN | Des Moines, Henry, Jefferson | 41 min |
| Mar 26, 8:40 PM CDT | Special Weather Statement | DVN | Lee, Van Buren | 50 min |
| Mar 26, 8:56 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee, Van Buren | 49 min |
| Mar 27, 3:17 AM CDT | Fire Weather Watch | ARX | Chickasaw, Floyd, Howard, Mitchell | 8 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 |
| Mar 30, 6:03 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk, Story | 27 min |
| Mar 30, 8:44 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Cass, Guthrie | 46 min |
| Mar 30, 8:50 PM CDT | Special Weather Statement | DVN | Jackson | 40 min |
| Mar 30, 8:57 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Benton, Black Hawk, Boone, Buchanan and 29 more | 2 hr |
| Mar 30, 8:59 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 49 min |
| Mar 30, 9:11 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Greene, Guthrie, Polk | 49 min |
| Mar 30, 9:21 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Benton, Boone, Buchanan, Cass and 27 more | 6 hr |
| Mar 30, 9:53 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Jasper, Marshall, Polk, Story | 67 min |
| Mar 30, 10:36 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 39 min |
| Mar 30, 10:48 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Polk, Poweshiek, Story, Tama | 42 min |
| Mar 30, 10:55 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 30 min |
| Mar 30, 11:29 PM CDT | Mesoscale Discussion | SPC | Adair, Benton, Black Hawk, Boone, Buchanan, Cedar and 29 more | 2 hr |
| Mar 31, 12:17 AM CDT | Special Weather Statement | DVN | Jones, Linn | 43 min |
| Mar 31, 12:31 AM CDT | Special Weather Statement | DVN | Iowa, Linn | 44 min |
| Mar 31, 12:36 AM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson, Linn | 22 min |
| Mar 31, 1:30 AM CDT | Special Weather Statement | DVN | Johnson | 45 min |
| Mar 31, 1:54 AM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Henry, Jackson, Johnson, Louisa and 3 more | 96 min |
| Mar 31, 2:15 AM CDT | Special Weather Statement | DVN | Cedar, Johnson | 45 min |
| Mar 31, 3:13 AM CDT | Special Weather Statement | DVN | Scott | 47 min |
| Mar 31, 7:15 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Louisa, Washington | 27 min |
| Mar 31, 7:46 AM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Louisa | 89 min |
| Mar 31, 8:10 AM CDT | Special Weather Statement | DMX | Wapello | 35 min |
| Mar 31, 8:11 AM CDT | Severe Thunderstorm Warning | DVN | Louisa, Muscatine, Washington | 49 min |
| Mar 31, 9:30 AM CDT | Severe Thunderstorm Warning | DVN | Johnson, Louisa, Washington | 45 min |
| Mar 31, 9:34 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Louisa | 30 min |
| Mar 31, 10:10 AM CDT | Severe Thunderstorm Warning | DVN | Louisa, Washington | 35 min |
| Mar 31, 10:23 AM CDT | Severe Thunderstorm Warning | DVN | Louisa, Muscatine | 29 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 | 46 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 18 |
| Special Weather Statement | 22 |
| Flooding | |
| River Flood Watch | 2 |
| Winter | |
| Blizzard Warning | 5 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 5 |
| Winter Weather Advisory | 8 |
| Cold | |
| Cold Weather Advisory | 3 |
| Wind and dust | |
| High Wind Warning | 9 |
| High Wind Watch | 9 |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 13 |
| Fire Weather Watch | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 9 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Louisa County27
- Johnson County26
- Muscatine County25
- Washington County25
- Cedar County24
- Clinton County24
- Jackson County24
- Scott County24
- Jones County23
- Guthrie County23
- Polk County23
- Boone County22
- Linn County22
- Henry County22
- Cass County22
- Dallas County22
- Dubuque County21
- Des Moines County21
- Adair County21
- Greene County20
- Lee County20
- Pottawattamie County20
- Van Buren County19
- Montgomery County19
- Audubon County19
- Story County19
- Carroll County18
- Delaware County18
- Iowa County18
- Jasper County18
- Hamilton County17
- Tama County17
- Benton County17
- Marion County17
- Madison County17
- Shelby County17
- Warren County17
- Marshall County17
- Calhoun County16
- Webster County16
59 more counties
- Osceola County16
- Buchanan County16
- Jefferson County16
- Mahaska County16
- Poweshiek County16
- Wapello County16
- Fremont County16
- Mills County16
- Harrison County16
- Monona County16
- Black Hawk County15
- Grundy County15
- Hardin County15
- Sac County15
- Dickinson County15
- Lyon County15
- Sioux County15
- Keokuk County15
- Davis County15
- Ringgold County15
- Taylor County15
- Union County15
- Crawford County15
- Cerro Gordo County14
- Emmet County14
- Humboldt County14
- Kossuth County14
- Palo Alto County14
- Pocahontas County14
- Winnebago County14
- Worth County14
- Buena Vista County14
- Clay County14
- Ida County14
- O'Brien County14
- Woodbury County14
- Lucas County14
- Adams County14
- Page County14
- Franklin County13
- Hancock County13
- Wright County13
- Cherokee County13
- Plymouth County13
- Appanoose County13
- Decatur County13
- Clarke County13
- Monroe County12
- Wayne County12
- Floyd County11
- Mitchell County11
- Bremer County11
- Butler County11
- Chickasaw County10
- Clayton County10
- Howard County10
- Allamakee County9
- Fayette County9
- Winneshiek County9
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. Rebuilt daily.