Alert archive / Iowa / Severe Thunderstorm Warnings / 2023

Severe Thunderstorm Warnings in Iowa, July 2023

137 severe thunderstorm warnings in July 2023. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in July 2023. Tap one for its archive.

Severe Thunderstorm Warnings: 137
Busiest day: July 12, 202324 severe thunderstorm warnings

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
Jul 3, 4:38 PM CDT	Severe Thunderstorm Warning	FSD	Sioux	52 min
Jul 3, 5:39 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Cherokee	51 min
Jul 3, 6:32 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Pocahontas	28 min
Jul 4, 5:05 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	40 min
Jul 4, 5:44 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	46 min
Jul 4, 6:10 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	50 min
Jul 4, 6:22 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	53 min
Jul 4, 6:27 PM CDT	Severe Thunderstorm Warning	OAX	Monona	32 min
Jul 4, 6:44 PM CDT	Severe Thunderstorm Warning	OAX	Monona	13 min
Jul 4, 7:25 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	65 min
Jul 4, 8:08 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	52 min
Jul 5, 1:14 PM CDT	Severe Thunderstorm Warning	DVN	Jackson	46 min
Jul 10, 4:17 PM CDT	Severe Thunderstorm Warning	FSD	Sioux	28 min
Jul 10, 4:47 PM CDT	Severe Thunderstorm Warning	FSD	Sioux	28 min
Jul 10, 5:03 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, Sioux	12 min
Jul 10, 5:12 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, O'Brien, Osceola, Sioux	33 min
Jul 10, 5:43 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Dickinson, O'Brien, Osceola	32 min
Jul 10, 5:55 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Palo Alto	35 min
Jul 10, 6:12 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Dickinson	33 min
Jul 10, 6:28 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Kossuth, Palo Alto	62 min
Jul 12, 1:00 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall, Polk, Story	45 min
Jul 12, 3:05 AM CDT	Severe Thunderstorm Warning	DMX	Lucas, Mahaska, Marion, Monroe	55 min
Jul 12, 3:58 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Lyon, Sioux	47 min
Jul 12, 4:21 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Lyon, Osceola, Sioux	39 min
Jul 12, 4:29 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Plymouth, Sioux, Woodbury	46 min
Jul 12, 4:59 AM CDT	Severe Thunderstorm Warning	FSD	Lyon, O'Brien, Osceola, Sioux	46 min
Jul 12, 5:13 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Cherokee, Plymouth, Sioux, Woodbury	47 min
Jul 12, 5:17 AM CDT	Severe Thunderstorm Warning	DMX	Hancock, Wright	16 min
Jul 12, 5:18 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Harrison, Mills, Monona, Pottawattamie	57 min
Jul 12, 5:40 AM CDT	Severe Thunderstorm Warning	DMX	Boone, Dallas, Polk, Story	50 min
Jul 12, 5:41 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Buena Vista, Cherokee, Ida, Plymouth, Woodbury	64 min
Jul 12, 5:50 AM CDT	Severe Thunderstorm Warning Destructive damage threat	OAX	Harrison, Pottawattamie, Shelby	40 min
Jul 12, 6:05 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	55 min
Jul 12, 6:07 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Audubon, Carroll, Cass, Crawford, Sac	38 min
Jul 12, 6:15 AM CDT	Severe Thunderstorm Warning Destructive damage threat	OAX	Harrison, Pottawattamie, Shelby	14 min
Jul 12, 6:41 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Adair, Adams, Audubon, Cass, Crawford, Guthrie and 3 more	64 min
Jul 12, 6:44 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Fremont, Mills, Montgomery, Page, Pottawattamie	46 min
Jul 12, 7:22 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Clarke, Decatur, Madison, Ringgold, Taylor and 1 more	38 min
Jul 12, 7:41 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Boone, Clarke, Dallas, Madison, Polk and 3 more	39 min
Jul 12, 7:47 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Mahaska, Poweshiek	43 min
Jul 12, 7:59 AM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Clarke, Decatur, Lucas, Monroe, Ringgold and 1 more	46 min
Jul 12, 8:05 AM CDT	Severe Thunderstorm Warning	DVN	Benton, Iowa, Johnson, Keokuk, Linn, Washington	55 min
Jul 12, 8:18 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall, Polk, Poweshiek, Story, Tama	42 min
Jul 12, 8:43 AM CDT	Severe Thunderstorm Warning	DVN	Cedar, Johnson, Linn, Louisa, Muscatine, Washington	47 min
Jul 13, 2:19 PM CDT	Severe Thunderstorm Warning	DMX	Hancock, Kossuth, Winnebago	41 min
Jul 13, 2:25 PM CDT	Severe Thunderstorm Warning	DMX	Winnebago	23 min
Jul 13, 2:51 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Hancock, Wright	39 min
Jul 13, 3:39 PM CDT	Severe Thunderstorm Warning	DMX	Butler	37 min
Jul 13, 5:31 PM CDT	Severe Thunderstorm Warning	DMX	Hancock	44 min
Jul 13, 6:08 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Franklin, Hancock, Wright	37 min
Jul 13, 6:14 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Iowa, Linn	46 min
Jul 13, 7:10 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Lyon	50 min
Jul 13, 7:53 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Lyon, O'Brien, Osceola	52 min
Jul 13, 7:54 PM CDT	Severe Thunderstorm Warning	DMX	Grundy, Hardin, Marshall, Tama	51 min
Jul 13, 8:35 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Clay, Dickinson, O'Brien, Osceola	40 min
Jul 13, 8:41 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall, Poweshiek, Tama	49 min
Jul 13, 10:03 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw	42 min
Jul 13, 10:23 PM CDT	Severe Thunderstorm Warning	DMX	Bremer	25 min
Jul 13, 10:24 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	66 min
Jul 13, 10:44 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan	46 min
Jul 14, 3:15 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan, Delaware, Jones, Linn	45 min
Jul 14, 3:25 PM CDT	Severe Thunderstorm Warning	DVN	Delaware, Dubuque, Jackson, Jones	50 min
Jul 14, 4:12 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque, Jackson, Jones	48 min
Jul 14, 4:32 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson, Jones	58 min
Jul 14, 6:22 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines	38 min
Jul 15, 6:00 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Bremer	15 min
Jul 15, 6:45 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	34 min
Jul 17, 1:09 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Audubon, Cass, Guthrie	51 min
Jul 17, 1:24 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Guthrie, Madison	51 min
Jul 17, 1:40 AM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie, Shelby	50 min
Jul 17, 4:58 AM CDT	Severe Thunderstorm Warning	DMX	Audubon, Guthrie	32 min
Jul 17, 5:11 AM CDT	Severe Thunderstorm Warning	OAX	Harrison	26 min
Jul 17, 5:15 AM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona, Pottawattamie, Shelby	32 min
Jul 17, 5:21 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Adair, Audubon, Cass, Guthrie	39 min
Jul 17, 5:32 AM CDT	Severe Thunderstorm Warning	DMX	Audubon, Cass	28 min
Jul 17, 5:52 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Adams, Union	23 min
Jul 17, 6:14 AM CDT	Severe Thunderstorm Warning	DMX	Adams, Ringgold, Taylor, Union	31 min
Jul 17, 6:53 AM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Marion, Monroe, Wapello	52 min
Jul 17, 7:14 AM CDT	Severe Thunderstorm Warning	OAX	Harrison, Shelby	18 min
Jul 17, 7:44 AM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Marion, Monroe, Wapello	46 min
Jul 17, 7:48 AM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	27 min
Jul 17, 7:55 AM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	50 min
Jul 17, 8:24 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Cass	51 min
Jul 17, 8:26 AM CDT	Severe Thunderstorm Warning	DMX	Mahaska	34 min
Jul 17, 8:28 AM CDT	Severe Thunderstorm Warning	OAX	Mills	32 min
Jul 17, 8:37 AM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery, Pottawattamie	17 min
Jul 17, 8:42 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Fremont, Montgomery, Page	48 min
Jul 17, 8:59 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Madison, Union	46 min
Jul 17, 11:40 AM CDT	Severe Thunderstorm Warning	DVN	Henry, Jefferson, Lee, Van Buren	33 min
Jul 22, 5:44 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson, O'Brien, Osceola	46 min
Jul 22, 7:13 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Muscatine, Scott	47 min
Jul 22, 9:38 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Fayette, Winneshiek	52 min
Jul 24, 3:04 AM CDT	Severe Thunderstorm Warning	FSD	Plymouth	41 min
Jul 24, 3:56 AM CDT	Severe Thunderstorm Warning	OAX	Monona	49 min
Jul 24, 4:22 AM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona	38 min
Jul 24, 5:10 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie	50 min
Jul 24, 5:18 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Harrison, Pottawattamie, Shelby	27 min
Jul 26, 3:37 AM CDT	Severe Thunderstorm Warning	FSD	Clay, O'Brien, Osceola	38 min
Jul 26, 4:06 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Buena Vista, Clay, O'Brien	39 min
Jul 26, 4:39 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Buena Vista	15 min
Jul 26, 4:41 AM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Pocahontas	24 min
Jul 28, 3:20 AM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson	40 min
Jul 28, 5:24 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Franklin, Hancock, Wright	18 min
Jul 28, 5:28 PM CDT	Severe Thunderstorm Warning	DMX	Franklin, Hardin	47 min
Jul 28, 5:53 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Bremer	67 min
Jul 28, 6:05 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona	40 min
Jul 28, 6:09 PM CDT	Severe Thunderstorm Warning	DMX	Butler, Franklin, Grundy, Hardin	66 min
Jul 28, 6:17 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	13 min
Jul 28, 6:28 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Black Hawk, Butler, Grundy, Hardin, Marshall, Tama	47 min
Jul 28, 6:32 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Shelby	28 min
Jul 28, 6:53 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie, Shelby	35 min
Jul 28, 7:10 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Fayette, Winneshiek	35 min
Jul 28, 7:12 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan, Delaware	63 min
Jul 28, 7:18 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Grundy, Marshall, Tama	57 min
Jul 28, 7:22 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	12 min
Jul 28, 7:27 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Benton, Buchanan, Linn	63 min
Jul 28, 7:29 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque, Jackson	46 min
Jul 28, 7:40 PM CDT	Severe Thunderstorm Warning	DVN	Benton	65 min
Jul 28, 7:50 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Jasper, Marshall, Poweshiek, Tama	40 min
Jul 28, 7:52 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Delaware, Dubuque	53 min
Jul 28, 7:59 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Cedar, Jackson, Jones, Linn	61 min
Jul 28, 8:08 PM CDT	Severe Thunderstorm Warning Destructive damage threat	DVN	Cedar, Clinton, Jackson, Jones, Linn	67 min
Jul 28, 8:13 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque, Jackson	47 min
Jul 28, 8:14 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Cedar, Iowa, Johnson, Muscatine	61 min
Jul 28, 8:15 PM CDT	Severe Thunderstorm Warning	ARX	Floyd	27 min
Jul 28, 8:24 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall, Poweshiek, Tama	66 min
Jul 28, 8:31 PM CDT	Severe Thunderstorm Warning Destructive damage threat	DVN	Cedar, Clinton, Jackson, Muscatine, Scott	74 min
Jul 28, 8:32 PM CDT	Severe Thunderstorm Warning Destructive damage threat	DVN	Clinton, Jackson	43 min
Jul 28, 8:45 PM CDT	Severe Thunderstorm Warning	DVN	Johnson, Louisa, Muscatine, Washington	60 min
Jul 28, 8:57 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque, Jackson	48 min
Jul 28, 9:27 PM CDT	Severe Thunderstorm Warning	DVN	Iowa, Keokuk, Washington	39 min
Jul 28, 10:34 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Monroe, Wapello	56 min
Jul 28, 11:31 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Davis, Monroe, Wapello	44 min
Jul 29, 8:36 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Fremont	39 min
Jul 29, 8:47 AM CDT	Severe Thunderstorm Warning Destructive damage threat	OAX	Fremont	43 min
Jul 30, 4:19 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona, Pottawattamie	41 min
Jul 30, 4:50 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie	25 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

50 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2022 2024

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. Warning verification from the Mesonet's Cow. Rebuilt daily.