Alert archive / Nebraska / Cass County / 2026

Weather alerts in Cass County, Nebraska, May 2026

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

Alerts
27
Warnings
12
Watches
5
Advisories
1
Busiest day
May 18, 202610 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
May 1, 12:36 PM CDTFrost AdvisoryOAX19 hr
May 15, 3:55 PM CDTMesoscale DiscussionSPC2 hr
May 15, 5:16 PM CDTSevere Thunderstorm WatchSPC8 hr
May 15, 5:53 PM CDTSevere Thunderstorm WarningOAX52 min
May 15, 6:05 PM CDTSevere Thunderstorm WarningOAX40 min
May 15, 7:29 PM CDTMesoscale DiscussionSPC2 hr
May 15, 10:53 PM CDTMesoscale DiscussionSPC2 hr
May 16, 4:42 PM CDTMesoscale DiscussionSPC3 hr
May 16, 5:08 PM CDTSevere Thunderstorm WatchSPC9 hr
May 16, 8:43 PM CDTFlood WatchOAX6 hr
May 16, 10:15 PM CDTMesoscale DiscussionSPC2 hr
May 17, 11:52 AM CDTFlood WatchOAX34 hr
May 17, 2:45 PM CDTMesoscale DiscussionSPC60 min
May 17, 3:16 PM CDTTornado WatchSPC8 hr
May 17, 6:53 PM CDTMesoscale DiscussionSPC67 min
May 17, 7:31 PM CDTSevere Thunderstorm WarningOAX59 min
May 17, 7:47 PM CDTTornado WarningOAX43 min
May 17, 8:11 PM CDTSevere Thunderstorm Warning Considerable damage threatOAX64 min
May 17, 8:17 PM CDTTornado WarningOAX27 min
May 17, 8:25 PM CDTSevere Thunderstorm Warning Considerable damage threatOAX50 min
May 17, 8:29 PM CDTSevere Thunderstorm WarningOAX46 min
May 17, 8:46 PM CDTTornado WarningOAX29 min
May 17, 9:03 PM CDTSevere Thunderstorm Warning Considerable damage threatOAX72 min
May 18, 3:29 PM CDTMesoscale DiscussionSPC2 hr
May 18, 6:18 PM CDTSevere Thunderstorm WarningOAX31 min
May 22, 5:24 PM CDTMesoscale DiscussionSPC2 hr
May 22, 5:47 PM CDTTornado Warning Tornado observedOAX43 min

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 Warning8
Tornado Warning4
Severe Thunderstorm Watch2
Tornado Watch1
Mesoscale Discussion9
Flooding
Flood Watch2
Cold
Frost Advisory1

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.