Alert archive / Iowa / Hamilton County / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Hamilton County, Iowa, 2026

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

Hamilton County and its neighbors

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

Severe Thunderstorm Warnings
24
Busiest month
July8 severe thunderstorm warnings
Busiest day
July 20, 20265 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
Apr 15, 12:49 PM CDTSevere Thunderstorm Warning Considerable damage threatDMX56 min
Apr 15, 2:06 PM CDTSevere Thunderstorm WarningDMX39 min
Apr 23, 6:10 PM CDTSevere Thunderstorm WarningDMX50 min
Apr 23, 6:58 PM CDTSevere Thunderstorm WarningDMX62 min
Apr 23, 7:55 PM CDTSevere Thunderstorm WarningDMX50 min
May 15, 8:16 PM CDTSevere Thunderstorm Warning Considerable damage threatDMX49 min
May 15, 11:17 PM CDTSevere Thunderstorm WarningDMX31 min
May 17, 9:02 PM CDTSevere Thunderstorm Warning Considerable damage threatDMX43 min
May 17, 9:26 PM CDTSevere Thunderstorm WarningDMX79 min
May 17, 9:42 PM CDTSevere Thunderstorm WarningDMX63 min
Jun 10, 10:42 AM CDTSevere Thunderstorm WarningDMX48 min
Jun 10, 7:03 PM CDTSevere Thunderstorm WarningDMX42 min
Jun 17, 4:31 AM CDTSevere Thunderstorm WarningDMX44 min
Jun 17, 4:52 AM CDTSevere Thunderstorm Warning Considerable damage threatDMX53 min
Jun 17, 5:13 AM CDTSevere Thunderstorm WarningDMX32 min
Jul 2, 4:32 PM CDTSevere Thunderstorm Warning Considerable damage threatDMX58 min
Jul 2, 4:45 PM CDTSevere Thunderstorm WarningDMX45 min
Jul 2, 5:15 PM CDTSevere Thunderstorm WarningDMX45 min
Jul 20, 3:23 PM CDTSevere Thunderstorm Warning Considerable damage threatDMX67 min
Jul 20, 4:25 PM CDTSevere Thunderstorm WarningDMX50 min
Jul 20, 5:00 PM CDTSevere Thunderstorm Warning Considerable damage threatDMX45 min
Jul 20, 5:52 PM CDTSevere Thunderstorm WarningDMX23 min
Jul 20, 6:09 PM CDTSevere Thunderstorm WarningDMX51 min
Aug 9, 8:20 AM CDTSevere Thunderstorm WarningDMX55 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. July 20, 20265severe thunderstorm warnings
  2. May 18, 20263severe thunderstorm warnings
  3. June 17, 20263severe thunderstorm warnings
  4. July 2, 20263severe thunderstorm warnings
  5. April 15, 20262severe thunderstorm warnings
  6. April 23, 20262severe thunderstorm warnings
  7. May 16, 20262severe thunderstorm warnings
  8. April 24, 20261severe thunderstorm warnings
  9. June 10, 20261severe thunderstorm warnings
  10. June 11, 20261severe 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.