Alert archive / Nebraska / Jefferson County / 2026

Weather alerts in Jefferson County, Nebraska, May 2026

39 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
39
Warnings
25
Watches
6
Advisories
1
Busiest day
May 17, 202619 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, 5:16 PM CDTSevere Thunderstorm WatchSPC8 hr
May 16, 4:42 PM CDTMesoscale DiscussionSPC3 hr
May 16, 5:08 PM CDTSevere Thunderstorm WatchSPC9 hr
May 16, 7:17 PM CDTSevere Thunderstorm WarningOAX43 min
May 16, 7:43 PM CDTSevere Thunderstorm Warning Considerable damage threatOAX47 min
May 16, 8:25 PM CDTSevere Thunderstorm WarningOAX50 min
May 16, 8:36 PM CDTMesoscale DiscussionSPC114 min
May 16, 8:43 PM CDTFlood WatchOAX6 hr
May 16, 10:12 PM CDTSevere Thunderstorm Warning Considerable damage threatOAX48 min
May 16, 10:15 PM CDTMesoscale DiscussionSPC2 hr
May 16, 10:16 PM CDTSevere Thunderstorm WarningOAX13 min
May 16, 10:52 PM CDTSevere Thunderstorm WarningOAX53 min
May 16, 11:17 PM CDTSevere Thunderstorm Warning Considerable damage threatOAX58 min
May 16, 11:46 PM CDTSevere Thunderstorm Warning Considerable damage threatOAX59 min
May 16, 11:59 PM CDTSevere Thunderstorm Warning Destructive damage threatOAX46 min
May 17, 12:03 AM CDTSevere Thunderstorm WarningOAX57 min
May 17, 12:09 AM CDTFlash Flood WarningOAX114 min
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, 5:13 PM CDTMesoscale DiscussionSPC62 min
May 17, 6:53 PM CDTMesoscale DiscussionSPC67 min
May 17, 7:08 PM CDTTornado WarningOAX32 min
May 17, 7:16 PM CDTSevere Thunderstorm WarningOAX44 min
May 17, 7:20 PM CDTSevere Thunderstorm WarningOAX40 min
May 17, 7:33 PM CDTTornado WarningOAX29 min
May 17, 7:56 PM CDTSevere Thunderstorm WarningOAX49 min
May 17, 8:43 PM CDTSevere Thunderstorm WarningOAX47 min
May 18, 12:50 PM CDTTornado Watch PDSSPC7 hr
May 18, 2:08 PM CDTSevere Thunderstorm WarningOAX52 min
May 18, 2:26 PM CDTTornado WarningOAX49 min
May 18, 2:54 PM CDTSevere Thunderstorm Warning Considerable damage threatOAX66 min
May 18, 2:57 PM CDTFlash Flood WarningOAX5 hr
May 18, 3:07 PM CDTTornado WarningOAX38 min
May 18, 4:44 PM CDTSevere Thunderstorm WarningOAX46 min
May 18, 6:12 PM CDTSevere Thunderstorm WarningOAX48 min
May 18, 6:32 PM CDTSevere Thunderstorm WarningOAX43 min
May 30, 9:25 PM 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 Warning19
Tornado Warning4
Severe Thunderstorm Watch2
Tornado Watch2
Mesoscale Discussion7
Flooding
Flash Flood Warning2
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.