Alert archive / Iowa / Johnson County / 2026

Weather alerts in Johnson County, Iowa, June 2026

41 weather alerts in June 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Alerts
41
Warnings
21
Watches
9
Advisories
0
Busiest day
June 11, 202612 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.

IssuedProductOfficeLasted
Jun 5, 8:19 PM CDTMesoscale DiscussionSPC86 min
Jun 5, 9:50 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 5, 11:33 PM CDTMesoscale DiscussionSPC87 min
Jun 7, 11:46 AM CDTFlood WatchDVN31 hr
Jun 8, 12:58 PM CDTMesoscale DiscussionSPC92 min
Jun 10, 7:43 AM CDTMesoscale DiscussionSPC2 hr
Jun 10, 10:58 AM CDTFlood WatchDVN32 hr
Jun 10, 11:09 AM CDTMesoscale DiscussionSPC2 hr
Jun 10, 11:26 AM CDTSevere Thunderstorm WarningDVN64 min
Jun 10, 11:38 AM CDTSevere Thunderstorm WarningDVN67 min
Jun 10, 4:01 PM CDTTornado WatchSPC7 hr
Jun 10, 5:30 PM CDTSevere Thunderstorm WarningDVN60 min
Jun 10, 9:15 PM CDTRiver Flood WarningDVN3 days
Jun 10, 9:15 PM CDTRiver Flood WarningDVN24 hr
Jun 11, 7:31 AM CDTTornado WatchSPC7 hr
Jun 11, 8:19 AM CDTSevere Thunderstorm Warning Considerable damage threatDVN71 min
Jun 11, 8:31 AM CDTSevere Thunderstorm Warning Considerable damage threatDVN74 min
Jun 11, 8:34 AM CDTSevere Thunderstorm Warning Destructive damage threatDVN56 min
Jun 11, 9:08 AM CDTTornado WarningDVN37 min
Jun 11, 9:18 AM CDTSevere Thunderstorm Warning Considerable damage threatDVN52 min
Jun 11, 9:35 AM CDTSevere Thunderstorm WarningDVN37 min
Jun 11, 1:08 PM CDTMesoscale DiscussionSPC3 hr
Jun 11, 1:57 PM CDTTornado WatchSPC7 hr
Jun 11, 3:07 PM CDTMesoscale DiscussionSPC113 min
Jun 13, 12:59 PM CDTSevere Thunderstorm WarningDVN46 min
Jun 16, 1:36 PM CDTFlood WatchDVN29 hr
Jun 17, 2:36 AM CDTMesoscale DiscussionSPC2 hr
Jun 17, 3:55 AM CDTSevere Thunderstorm WatchSPC7 hr
Jun 17, 5:42 AM CDTMesoscale DiscussionSPC2 hr
Jun 17, 5:52 AM CDTSevere Thunderstorm WarningDVN53 min
Jun 17, 6:45 AM CDTSevere Thunderstorm Warning Considerable damage threatDVN60 min
Jun 17, 7:08 AM CDTSevere Thunderstorm Warning Destructive damage threatDVN52 min
Jun 17, 7:24 AM CDTFlash Flood WarningDVN6 hr
Jun 17, 7:55 AM CDTFlash Flood WarningDVN5 hr
Jun 17, 8:16 AM CDTMesoscale DiscussionSPC59 min
Jun 17, 10:22 AM CDTRiver Flood WarningDVN70 hr
Jun 17, 8:58 PM CDTRiver Flood WarningDVN68 hr
Jun 21, 8:19 PM CDTRiver Flood WarningDVN24 hr
Jun 27, 1:28 AM CDTExtreme Heat WatchDVN24 hr
Jun 27, 1:24 PM CDTExtreme Heat WarningDVN6 days
Jun 28, 10:14 AM CDTMesoscale DiscussionSPC2 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

ProductAlerts
Severe storms
Severe Thunderstorm Warning12
Tornado Warning1
Severe Thunderstorm Watch2
Tornado Watch3
Mesoscale Discussion11
Flooding
Flash Flood Warning2
River Flood Warning5
Flood Watch3
Heat
Extreme Heat Warning1
Extreme Heat Watch1

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.