Alert archive / Iowa / Marshall County / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Marshall County, Iowa, 2026

39 severe thunderstorm warnings in 2026. An alert counts here when it covered this county. The archive of severe thunderstorm warnings reaches back to 1986.

Marshall County and its neighbors

Each county as a circle sized by its count in 2026. Tap one for its archive.

Severe Thunderstorm Warnings
39
Busiest month
April12 severe thunderstorm warnings
Busiest day
June 17, 20266 severe thunderstorm warnings

Over time

By month

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.

IssuedProductOfficeLasted
Mar 30, 9:53 PM CDTSevere Thunderstorm WarningDMX67 min
Mar 30, 10:48 PM CDTSevere Thunderstorm WarningDMX42 min
Apr 15, 2:06 PM CDTSevere Thunderstorm WarningDMX39 min
Apr 15, 3:06 PM CDTSevere Thunderstorm WarningDMX39 min
Apr 15, 3:41 PM CDTSevere Thunderstorm WarningDMX49 min
Apr 15, 4:11 PM CDTSevere Thunderstorm WarningDMX49 min
Apr 15, 8:22 PM CDTSevere Thunderstorm WarningDMX38 min
Apr 15, 8:31 PM CDTSevere Thunderstorm WarningDMX59 min
Apr 15, 9:00 PM CDTSevere Thunderstorm WarningDMX33 min
Apr 17, 1:57 PM CDTSevere Thunderstorm WarningDMX48 min
Apr 17, 2:29 PM CDTSevere Thunderstorm WarningDMX46 min
Apr 17, 2:44 PM CDTSevere Thunderstorm WarningDMX31 min
Apr 17, 3:07 PM CDTSevere Thunderstorm WarningDMX38 min
Apr 23, 7:55 PM CDTSevere Thunderstorm WarningDMX50 min
May 18, 8:08 PM CDTSevere Thunderstorm WarningDMX52 min
Jun 10, 10:42 AM CDTSevere Thunderstorm WarningDMX48 min
Jun 10, 11:08 AM CDTSevere Thunderstorm WarningDMX52 min
Jun 11, 7:44 AM CDTSevere Thunderstorm WarningDMX46 min
Jun 11, 7:55 AM CDTSevere Thunderstorm Warning Considerable damage threatDMX50 min
Jun 11, 8:25 AM CDTSevere Thunderstorm Warning Considerable damage threatDMX65 min
Jun 17, 4:52 AM CDTSevere Thunderstorm Warning Considerable damage threatDMX53 min
Jun 17, 5:32 AM CDTSevere Thunderstorm Warning Considerable damage threatDMX43 min
Jun 17, 5:34 AM CDTSevere Thunderstorm WarningDMX41 min
Jun 17, 5:43 AM CDTSevere Thunderstorm WarningDMX47 min
Jun 17, 5:49 AM CDTSevere Thunderstorm Warning Destructive damage threatDMX56 min
Jun 17, 6:08 AM CDTSevere Thunderstorm WarningDMX67 min
Jul 2, 4:13 PM CDTSevere Thunderstorm WarningDMX47 min
Jul 2, 4:54 PM CDTSevere Thunderstorm WarningDMX25 min
Jul 2, 4:58 PM CDTSevere Thunderstorm WarningDMX29 min
Jul 2, 10:26 PM CDTSevere Thunderstorm WarningDMX20 min
Jul 20, 3:56 PM CDTSevere Thunderstorm Warning Considerable damage threatDMX64 min
Jul 20, 4:45 PM CDTSevere Thunderstorm WarningDMX60 min
Jul 20, 5:28 PM CDTSevere Thunderstorm Warning Destructive damage threatDMX47 min
Jul 20, 5:48 PM CDTSevere Thunderstorm WarningDMX57 min
Jul 20, 6:09 PM CDTSevere Thunderstorm WarningDMX51 min
Jul 20, 6:12 PM CDTSevere Thunderstorm WarningDMX48 min
Aug 13, 6:27 AM CDTSevere Thunderstorm WarningDMX48 min
Aug 13, 7:11 AM CDTSevere Thunderstorm WarningDMX49 min
Sep 8, 5:50 PM CDTSevere Thunderstorm WarningDMX40 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 17, 20266severe thunderstorm warnings
  2. July 20, 20266severe thunderstorm warnings
  3. April 15, 20264severe thunderstorm warnings
  4. April 17, 20264severe thunderstorm warnings
  5. April 16, 20263severe thunderstorm warnings
  6. June 11, 20263severe thunderstorm warnings
  7. July 2, 20263severe thunderstorm warnings
  8. March 31, 20262severe thunderstorm warnings
  9. June 10, 20262severe thunderstorm warnings
  10. August 13, 20262severe thunderstorm warnings

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive2025

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.