Alert archive / Nebraska / Johnson County

Weather alerts in Johnson County, Nebraska, 2026

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

Johnson County and its neighbors

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

Alerts: 150
Warnings: 51
Watches: 28
Advisories: 28
Busiest month: May37 alerts
Busiest day: May 17, 202617 alerts

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.

Issued	Product	Office	Lasted
Jan 5, 8:21 PM CST	Dense Fog Advisory	OAX	12 hr
Jan 16, 8:17 PM CST	Special Weather Statement	OAX	118 min
Jan 16, 9:15 PM CST	Snow Squall Warning	OAX	60 min
Jan 16, 10:15 PM CST	Special Weather Statement	OAX	75 min
Jan 20, 2:13 PM CST	Wind Advisory	OAX	28 hr
Jan 22, 1:39 AM CST	Cold Weather Advisory	OAX	34 hr
Jan 23, 1:56 AM CST	Winter Weather Advisory	OAX	48 hr
Jan 25, 1:52 AM CST	Cold Weather Advisory	OAX	31 hr
Feb 14, 11:18 PM CST	Dense Fog Advisory	OAX	10 hr
Feb 16, 12:56 AM CST	Fire Weather Watch	OAX	20 hr
Feb 16, 11:45 AM CST	Red Flag Warning	OAX	34 hr
Feb 17, 5:22 PM CST	Mesoscale Discussion	SPC	53 min
Feb 28, 11:54 AM CST	Winter Weather Advisory	OAX	43 hr
Mar 5, 12:20 AM CST	Dense Fog Advisory	OAX	10 hr
Mar 6, 1:50 PM CST	Mesoscale Discussion	SPC	2 hr
Mar 6, 3:16 PM CST	Tornado Watch	SPC	9 hr
Mar 6, 7:12 PM CST	Severe Thunderstorm Warning	OAX	33 min
Mar 6, 7:12 PM CST	Mesoscale Discussion	SPC	2 hr
Mar 10, 11:43 AM CDT	Fire Weather Watch	OAX	25 hr
Mar 11, 12:19 PM CDT	Red Flag Warning	OAX	36 hr
Mar 12, 10:37 AM CDT	Wind Advisory	OAX	8 hr
Mar 13, 11:44 AM CDT	High Wind Watch	OAX	24 hr
Mar 14, 11:16 AM CDT	Winter Weather Advisory	OAX	35 hr
Mar 14, 11:22 AM CDT	High Wind Warning	OAX	38 hr
Mar 19, 1:19 PM CDT	Fire Weather Watch	OAX	19 hr
Mar 20, 8:46 AM CDT	Red Flag Warning	OAX	43 hr
Mar 25, 12:39 PM CDT	Fire Weather Watch	OAX	11 hr
Mar 25, 11:21 PM CDT	Red Flag Warning	OAX	23 hr
Mar 26, 1:11 PM CDT	Fire Weather Watch	OAX	19 hr
Mar 26, 1:11 PM CDT	Red Flag Warning	OAX	31 hr
Mar 27, 8:31 AM CDT	Red Flag Warning	OAX	37 hr
Apr 9, 5:11 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Apr 14, 7:28 PM CDT	Mesoscale Discussion	SPC	2 hr
Apr 14, 9:56 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Apr 14, 10:28 PM CDT	Severe Thunderstorm Warning	OAX	47 min
Apr 14, 11:16 PM CDT	Flash Flood Warning	OAX	3 hr
Apr 14, 11:36 PM CDT	Mesoscale Discussion	SPC	84 min
Apr 14, 11:54 PM CDT	Flash Flood Warning	OAX	3 hr
Apr 23, 11:13 AM CDT	Mesoscale Discussion	SPC	2 hr
Apr 23, 12:02 PM CDT	Tornado Watch	SPC	7 hr
Apr 23, 2:37 PM CDT	Mesoscale Discussion	SPC	83 min
Apr 23, 3:42 PM CDT	Severe Thunderstorm Warning	OAX	48 min
Apr 23, 4:23 PM CDT	Severe Thunderstorm Warning	OAX	52 min
Apr 23, 4:38 PM CDT	Tornado Warning	OAX	52 min
Apr 23, 4:55 PM CDT	Severe Thunderstorm Warning	OAX	50 min
Apr 23, 5:04 PM CDT	Mesoscale Discussion	SPC	116 min
Apr 23, 5:12 PM CDT	Severe Thunderstorm Warning	OAX	48 min
Apr 25, 1:01 PM CDT	Mesoscale Discussion	SPC	119 min
Apr 25, 6:21 PM CDT	Mesoscale Discussion	SPC	84 min
Apr 25, 9:41 PM CDT	Severe Thunderstorm Warning	OAX	49 min
Apr 26, 10:29 AM CDT	Flood Watch	OAX	19 hr
Apr 30, 12:38 PM CDT	Frost Advisory	OAX	20 hr
May 1, 12:36 PM CDT	Frost Advisory	OAX	19 hr
May 15, 5:16 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
May 16, 4:42 PM CDT	Mesoscale Discussion	SPC	3 hr
May 16, 5:08 PM CDT	Severe Thunderstorm Watch	SPC	9 hr
May 16, 8:36 PM CDT	Mesoscale Discussion	SPC	114 min
May 16, 8:43 PM CDT	Flood Watch	OAX	6 hr
May 16, 9:12 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	48 min
May 16, 9:56 PM CDT	Severe Thunderstorm Warning	OAX	49 min
May 16, 10:15 PM CDT	Mesoscale Discussion	SPC	2 hr
May 16, 10:28 PM CDT	Severe Thunderstorm Warning	OAX	62 min
May 16, 11:08 PM CDT	Flash Flood Warning	OAX	3 hr
May 16, 11:46 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	59 min
May 16, 11:59 PM CDT	Severe Thunderstorm Warning Destructive damage threat	OAX	46 min
May 17, 12:03 AM CDT	Severe Thunderstorm Warning	OAX	57 min
May 17, 12:33 AM CDT	Mesoscale Discussion	SPC	87 min
May 17, 12:41 AM CDT	Severe Thunderstorm Warning	OAX	79 min
May 17, 12:54 AM CDT	Flash Flood Warning	OAX	93 min
May 17, 11:52 AM CDT	Flood Watch	OAX	34 hr
May 17, 2:45 PM CDT	Mesoscale Discussion	SPC	60 min
May 17, 3:16 PM CDT	Tornado Watch	SPC	8 hr
May 17, 6:53 PM CDT	Mesoscale Discussion	SPC	67 min
May 17, 7:56 PM CDT	Severe Thunderstorm Warning	OAX	49 min
May 17, 8:29 PM CDT	Severe Thunderstorm Warning	OAX	46 min
May 17, 8:43 PM CDT	Severe Thunderstorm Warning	OAX	47 min
May 17, 9:14 PM CDT	Severe Thunderstorm Warning	OAX	46 min
May 17, 10:00 PM CDT	Severe Thunderstorm Warning	OAX	30 min
May 18, 12:50 PM CDT	Tornado Watch PDS	SPC	7 hr
May 18, 2:54 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	66 min
May 18, 3:29 PM CDT	Mesoscale Discussion	SPC	2 hr
May 18, 3:38 PM CDT	Tornado Warning	OAX	50 min
May 18, 3:43 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	51 min
May 18, 3:49 PM CDT	Flash Flood Warning	OAX	4 hr
May 18, 4:02 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	43 min
May 18, 5:02 PM CDT	Areal Flood Advisory	OAX	5 hr
May 18, 6:13 PM CDT	Severe Thunderstorm Warning	OAX	20 min
May 22, 5:24 PM CDT	Mesoscale Discussion	SPC	2 hr
May 30, 9:25 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 4, 3:42 AM CDT	Flood Watch	OAX	18 hr
Jun 4, 1:29 PM CDT	Mesoscale Discussion	SPC	3 hr
Jun 5, 12:42 PM CDT	Flood Watch	OAX	18 hr
Jun 5, 3:55 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 5, 5:48 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Jun 5, 6:46 PM CDT	Mesoscale Discussion	SPC	89 min
Jun 5, 10:10 PM CDT	Mesoscale Discussion	SPC	95 min
Jun 5, 11:32 PM CDT	Severe Thunderstorm Warning	OAX	28 min
Jun 8, 1:22 PM CDT	Heat Advisory	OAX	31 hr
Jun 10, 5:57 PM CDT	Mesoscale Discussion	SPC	93 min
Jun 11, 1:51 AM CDT	Mesoscale Discussion	SPC	114 min
Jun 11, 2:13 AM CDT	Severe Thunderstorm Watch	SPC	8 hr
Jun 11, 4:59 AM CDT	Mesoscale Discussion	SPC	2 hr
Jun 11, 5:07 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	38 min
Jun 13, 8:03 AM CDT	Mesoscale Discussion	SPC	117 min
Jun 13, 3:17 PM CDT	Mesoscale Discussion	SPC	118 min
Jun 13, 3:42 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Jun 16, 11:29 AM CDT	Wind Advisory	OAX	24 hr
Jun 19, 12:16 PM CDT	Flood Watch	OAX	43 hr
Jun 20, 6:45 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 26, 11:53 PM CDT	Heat Advisory	OAX	4 days
Jul 3, 2:52 PM CDT	Mesoscale Discussion	SPC	113 min
Jul 3, 3:33 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 3, 7:36 PM CDT	Severe Thunderstorm Warning	OAX	39 min
Jul 3, 8:11 PM CDT	Severe Thunderstorm Warning	OAX	49 min
Jul 3, 8:54 PM CDT	Severe Thunderstorm Warning	OAX	51 min
Jul 3, 9:16 PM CDT	Mesoscale Discussion	SPC	119 min
Jul 3, 9:40 PM CDT	Severe Thunderstorm Warning	OAX	19 min
Jul 8, 7:33 PM CDT	Mesoscale Discussion	SPC	117 min
Jul 8, 10:08 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 11, 6:11 AM CDT	Dense Fog Advisory	OAX	3 hr
Jul 17, 12:41 PM CDT	Heat Advisory	OAX	3 days
Jul 24, 1:48 AM CDT	Heat Advisory	OAX	39 hr
Jul 24, 11:26 PM CDT	Extreme Heat Warning	OAX	71 hr
Jul 25, 4:54 PM CDT	Heat Advisory	OAX	53 hr
Jul 30, 9:44 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 5, 11:51 PM CDT	Dense Fog Advisory	OAX	10 hr
Aug 7, 2:17 AM CDT	Dense Fog Advisory	OAX	6 hr
Aug 9, 9:07 PM CDT	Mesoscale Discussion	SPC	113 min
Aug 16, 2:13 AM CDT	Mesoscale Discussion	SPC	2 hr
Aug 16, 5:50 AM CDT	Areal Flood Advisory	OAX	116 min
Aug 17, 8:32 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Aug 18, 2:30 AM CDT	Severe Thunderstorm Warning	OAX	60 min
Aug 19, 9:53 AM CDT	Severe Thunderstorm Watch	SPC	6 hr
Aug 19, 12:26 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 19, 2:23 PM CDT	Severe Thunderstorm Warning	OAX	52 min
Aug 19, 2:45 PM CDT	Severe Thunderstorm Warning	OAX	47 min
Aug 20, 2:17 AM CDT	Dense Fog Advisory	OAX	8 hr
Aug 21, 1:35 PM CDT	Mesoscale Discussion	SPC	115 min
Aug 26, 1:33 AM CDT	Dense Fog Advisory	OAX	7 hr
Sep 1, 11:04 AM CDT	Heat Advisory	OAX	4 days
Sep 7, 11:34 AM CDT	Heat Advisory	OAX	31 hr
Sep 14, 11:24 AM CDT	Flood Watch	OAX	50 hr
Sep 14, 3:23 PM CDT	Mesoscale Discussion	SPC	2 hr
Sep 14, 4:51 PM CDT	Tornado Watch	SPC	7 hr
Sep 14, 6:18 PM CDT	Mesoscale Discussion	SPC	57 min
Sep 14, 7:20 PM CDT	Mesoscale Discussion	SPC	55 min
Sep 14, 7:44 PM CDT	Severe Thunderstorm Warning	OAX	46 min
Sep 14, 8:40 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	50 min
Sep 14, 9:26 PM CDT	Severe Thunderstorm Warning	OAX	30 min
Sep 16, 10:57 PM CDT	Dense Fog Advisory	OAX	11 hr

By product

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

Product	Alerts
Severe storms
Severe Thunderstorm Warning	35
Tornado Warning	2
Severe Thunderstorm Watch	10
Tornado Watch	5
Mesoscale Discussion	41
Special Weather Statement	2
Flooding
Flash Flood Warning	5
Flood Watch	7
Areal Flood Advisory	2
Winter
Snow Squall Warning	1
Winter Weather Advisory	3
Heat
Extreme Heat Warning	1
Heat Advisory	7
Cold
Cold Weather Advisory	2
Frost Advisory	2
Wind and dust
High Wind Warning	1
High Wind Watch	1
Wind Advisory	3
Fire
Red Flag Warning	6
Fire Weather Watch	5
Fog and smoke
Dense Fog Advisory	9

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2025

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. Rebuilt daily.