Alert archive / Illinois / Johnson County

Weather alerts in Johnson County, Illinois, 2023

155 weather alerts in 2023, 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 2023. Tap one for its archive.

Alerts: 155
Warnings: 49
Watches: 29
Advisories: 38
Busiest month: July45 alerts
Busiest day: July 19, 202310 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
Dec 31, 9:53 PM CST	Dense Fog Advisory	PAH	10 hr
Jan 1, 7:13 PM CST	Dense Fog Advisory	PAH	9 hr
Jan 2, 2:45 AM CST	Flood Watch	PAH	30 hr
Jan 12, 1:57 AM CST	Severe Thunderstorm Watch	SPC	5 hr
Jan 12, 2:05 AM CST	Tornado Warning	PAH	11 min
Jan 12, 2:17 AM CST	Severe Thunderstorm Warning	PAH	28 min
Jan 17, 4:34 AM CST	Dense Fog Advisory	PAH	4 hr
Jan 19, 11:26 AM CST	Wind Advisory	PAH	7 hr
Jan 24, 2:10 AM CST	Winter Weather Advisory	PAH	32 hr
Jan 24, 11:44 PM CST	Mesoscale Discussion	SPC	6 hr
Jan 27, 2:02 AM CST	Wind Advisory	PAH	16 hr
Jan 29, 12:59 PM CST	Winter Weather Advisory	PAH	20 hr
Jan 30, 3:21 AM CST	Winter Weather Advisory	PAH	30 hr
Jan 30, 1:43 PM CST	Winter Storm Warning	PAH	16 hr
Jan 30, 6:06 PM CST	Mesoscale Discussion	SPC	5 hr
Jan 31, 10:20 AM CST	Winter Weather Advisory	PAH	12 hr
Feb 7, 1:27 PM CST	Flood Watch	PAH	37 hr
Feb 8, 1:39 AM CST	Wind Advisory	PAH	37 hr
Feb 8, 7:02 PM CST	Areal Flood Advisory	PAH	6 hr
Feb 8, 8:33 PM CST	Areal Flood Advisory	PAH	5 hr
Feb 8, 10:06 PM CST	Areal Flood Advisory	PAH	4 hr
Feb 13, 1:05 PM CST	High Wind Warning	PAH	25 hr
Feb 13, 1:05 PM CST	Wind Advisory	PAH	31 hr
Feb 15, 11:13 PM CST	Severe Thunderstorm Watch	SPC	6 hr
Feb 21, 2:52 PM CST	Wind Advisory	PAH	27 hr
Feb 22, 12:20 PM CST	Tornado Watch	SPC	5 hr
Feb 22, 2:27 PM CST	Mesoscale Discussion	SPC	2 hr
Feb 22, 3:05 PM CST	Severe Thunderstorm Warning	PAH	40 min
Feb 26, 3:00 AM CST	Wind Advisory	PAH	39 hr
Mar 1, 1:26 PM CST	Flood Watch	PAH	47 hr
Mar 2, 2:52 AM CST	Wind Advisory	PAH	41 hr
Mar 3, 4:01 AM CST	Mesoscale Discussion	SPC	2 hr
Mar 3, 5:48 AM CST	Flash Flood Warning	PAH	7 hr
Mar 3, 10:55 AM CST	Severe Thunderstorm Warning	PAH	50 min
Mar 3, 12:24 PM CST	Areal Flood Warning	PAH	3 hr
Mar 22, 1:46 PM CDT	Flood Watch	PAH	59 hr
Mar 23, 7:22 PM CDT	Mesoscale Discussion	SPC	113 min
Mar 24, 7:42 PM CDT	Areal Flood Advisory	PAH	4 hr
Mar 30, 3:33 AM CDT	Wind Advisory	PAH	57 hr
Mar 31, 12:28 PM CDT	Tornado Watch PDS	SPC	11 hr
Mar 31, 12:53 PM CDT	Mesoscale Discussion	SPC	97 min
Mar 31, 8:27 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	33 min
Apr 4, 12:55 PM CDT	Wind Advisory	PAH	27 hr
Apr 5, 1:32 AM CDT	Tornado Watch	SPC	9 hr
Apr 5, 4:18 AM CDT	Severe Thunderstorm Warning	PAH	42 min
Apr 5, 4:57 AM CDT	Severe Thunderstorm Warning	PAH	15 min
Apr 5, 8:44 AM CDT	Tornado Watch	SPC	7 hr
Apr 5, 11:51 AM CDT	Mesoscale Discussion	SPC	84 min
Apr 5, 1:07 PM CDT	Severe Thunderstorm Warning	PAH	38 min
Apr 15, 2:20 PM CDT	Severe Thunderstorm Warning	PAH	40 min
Apr 15, 6:50 PM CDT	Mesoscale Discussion	SPC	85 min
Apr 15, 8:32 PM CDT	Severe Thunderstorm Warning	PAH	43 min
Apr 15, 8:50 PM CDT	Severe Thunderstorm Watch	SPC	3 hr
Apr 15, 9:23 PM CDT	Severe Thunderstorm Warning	PAH	52 min
Apr 15, 9:48 PM CDT	Mesoscale Discussion	SPC	87 min
Apr 15, 10:18 PM CDT	Flash Flood Warning	PAH	2 hr
Apr 20, 5:36 PM CDT	Mesoscale Discussion	SPC	84 min
Apr 22, 2:33 AM CDT	Frost Advisory	PAH	29 hr
Apr 23, 1:41 AM CDT	Frost Advisory	PAH	31 hr
May 2, 3:40 AM CDT	Lake Wind Advisory	PAH	15 hr
May 7, 9:28 AM CDT	Severe Thunderstorm Warning	PAH	30 min
May 7, 1:00 PM CDT	Mesoscale Discussion	SPC	2 hr
May 7, 1:18 PM CDT	Severe Thunderstorm Watch	SPC	10 hr
May 7, 1:41 PM CDT	Severe Thunderstorm Warning	PAH	49 min
May 7, 1:47 PM CDT	Severe Thunderstorm Warning	PAH	43 min
May 7, 2:26 PM CDT	Severe Thunderstorm Warning	PAH	49 min
May 7, 2:27 PM CDT	Severe Thunderstorm Warning	PAH	48 min
May 7, 3:40 PM CDT	Mesoscale Discussion	SPC	65 min
May 8, 8:13 AM CDT	Special Weather Statement	PAH	47 min
May 8, 3:19 PM CDT	Severe Thunderstorm Watch	SPC	10 hr
May 8, 5:36 PM CDT	Mesoscale Discussion	SPC	84 min
May 8, 9:05 PM CDT	Mesoscale Discussion	SPC	115 min
Jun 8, 4:36 AM CDT	Dense Fog Advisory	PAH	3 hr
Jun 11, 2:27 AM CDT	Lake Wind Advisory	PAH	17 hr
Jun 11, 1:24 PM CDT	Special Weather Statement	PAH	36 min
Jun 25, 9:37 AM CDT	Heat Advisory	PAH	9 hr
Jun 27, 2:52 AM CDT	Excessive Heat Watch	PAH	24 hr
Jun 28, 3:11 AM CDT	Heat Advisory	PAH	65 hr
Jun 28, 3:16 PM CDT	Excessive Heat Warning	PAH	53 hr
Jun 30, 2:32 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 30, 3:53 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 30, 4:21 PM CDT	Special Weather Statement	PAH	24 min
Jun 30, 4:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	48 min
Jun 30, 5:21 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	24 min
Jun 30, 5:47 PM CDT	Severe Thunderstorm Warning	PAH	43 min
Jun 30, 6:04 PM CDT	Severe Thunderstorm Warning Destructive damage threat	PAH	26 min
Jun 30, 7:58 PM CDT	Mesoscale Discussion	SPC	92 min
Jul 1, 11:28 AM CDT	Mesoscale Discussion	SPC	92 min
Jul 1, 12:04 PM CDT	Severe Thunderstorm Watch	SPC	9 hr
Jul 1, 5:14 PM CDT	Severe Thunderstorm Warning	PAH	31 min
Jul 1, 5:37 PM CDT	Severe Thunderstorm Warning	PAH	38 min
Jul 1, 6:05 PM CDT	Mesoscale Discussion	SPC	85 min
Jul 2, 11:56 AM CDT	Mesoscale Discussion	SPC	2 hr
Jul 2, 12:33 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Jul 2, 3:00 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	45 min
Jul 5, 4:30 PM CDT	Special Weather Statement	PAH	60 min
Jul 16, 4:00 PM CDT	Mesoscale Discussion	SPC	90 min
Jul 16, 5:53 PM CDT	Severe Thunderstorm Warning	PAH	37 min
Jul 16, 6:20 PM CDT	Special Weather Statement	PAH	25 min
Jul 17, 3:31 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 18, 8:42 AM CDT	Mesoscale Discussion	SPC	93 min
Jul 18, 8:59 AM CDT	Severe Thunderstorm Watch	SPC	8 hr
Jul 18, 10:59 AM CDT	Flood Watch	PAH	23 hr
Jul 18, 12:17 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	43 min
Jul 18, 12:23 PM CDT	Mesoscale Discussion	SPC	97 min
Jul 18, 12:41 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	50 min
Jul 18, 12:49 PM CDT	Tornado Warning	PAH	26 min
Jul 18, 1:00 PM CDT	Severe Thunderstorm Warning	PAH	18 min
Jul 18, 11:41 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 19, 3:50 AM CDT	Special Weather Statement	PAH	40 min
Jul 19, 3:55 AM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 19, 4:15 AM CDT	Severe Thunderstorm Warning	PAH	45 min
Jul 19, 4:49 AM CDT	Flash Flood Warning	PAH	6 hr
Jul 19, 6:11 AM CDT	Mesoscale Discussion	SPC	2 hr
Jul 19, 7:30 AM CDT	Severe Thunderstorm Warning	PAH	23 min
Jul 19, 7:37 AM CDT	Flash Flood Warning	PAH	3 hr
Jul 19, 10:42 AM CDT	Flash Flood Warning	PAH	3 hr
Jul 19, 2:02 PM CDT	Flood Watch	PAH	24 hr
Jul 20, 9:39 AM CDT	Severe Thunderstorm Warning	PAH	51 min
Jul 20, 11:57 PM CDT	Special Weather Statement	PAH	48 min
Jul 24, 6:29 AM CDT	Special Weather Statement	PAH	31 min
Jul 24, 2:07 PM CDT	Mesoscale Discussion	SPC	113 min
Jul 25, 2:35 PM CDT	Heat Advisory	PAH	3 days
Jul 25, 3:00 PM CDT	Lake Wind Advisory	PAH	27 hr
Jul 27, 3:12 AM CDT	Heat Advisory	PAH	64 hr
Jul 29, 2:18 PM CDT	Mesoscale Discussion	SPC	117 min
Jul 29, 3:46 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Jul 29, 5:40 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	50 min
Jul 29, 5:52 PM CDT	Mesoscale Discussion	SPC	113 min
Jul 29, 6:01 PM CDT	Severe Thunderstorm Warning	PAH	44 min
Jul 29, 6:28 PM CDT	Severe Thunderstorm Warning	PAH	35 min
Aug 2, 1:40 AM CDT	Flood Watch	PAH	58 hr
Aug 2, 7:58 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Aug 2, 11:53 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	52 min
Aug 3, 12:29 AM CDT	Severe Thunderstorm Warning	PAH	46 min
Aug 5, 4:03 AM CDT	Heat Advisory	PAH	14 hr
Aug 5, 4:06 AM CDT	Severe Thunderstorm Warning	PAH	24 min
Aug 5, 6:11 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 5, 6:41 PM CDT	Severe Thunderstorm Warning	PAH	23 min
Aug 7, 1:15 AM CDT	Mesoscale Discussion	SPC	2 hr
Aug 7, 3:19 AM CDT	Lake Wind Advisory	PAH	14 hr
Aug 9, 10:52 AM CDT	Flood Watch	PAH	13 hr
Aug 10, 9:19 PM CDT	Dense Fog Advisory	PAH	11 hr
Aug 13, 1:34 PM CDT	Flood Watch	PAH	20 hr
Aug 14, 2:38 AM CDT	Mesoscale Discussion	SPC	97 min
Aug 18, 2:47 AM CDT	Excessive Heat Watch	PAH	24 hr
Aug 19, 2:50 AM CDT	Excessive Heat Warning	PAH	8 days
Aug 22, 3:26 AM CDT	Dense Fog Advisory	PAH	5 hr
Aug 23, 1:44 AM CDT	Dense Fog Advisory	PAH	6 hr
Aug 26, 2:23 PM CDT	Mesoscale Discussion	SPC	3 hr
Aug 27, 4:04 AM CDT	Areal Flood Advisory	PAH	3 hr
Oct 5, 9:00 PM CDT	Dense Fog Advisory	PAH	10 hr
Oct 29, 3:02 AM CDT	Freeze Watch	PAH	23 hr
Oct 30, 2:23 AM CDT	Freeze Warning	PAH	31 hr
Dec 4, 11:18 PM CST	Freezing Fog Advisory	PAH	7 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	36
Tornado Warning	2
Severe Thunderstorm Watch	13
Tornado Watch	4
Mesoscale Discussion	31
Special Weather Statement	8
Flooding
Areal Flood Warning	1
Flash Flood Warning	5
Flood Watch	9
Areal Flood Advisory	5
Winter
Winter Storm Warning	1
Winter Weather Advisory	4
Heat
Excessive Heat Warning	2
Excessive Heat Watch	2
Heat Advisory	5
Cold
Freeze Warning	1
Freeze Watch	1
Frost Advisory	2
Wind and dust
High Wind Warning	1
Lake Wind Advisory	4
Wind Advisory	9
Fog and smoke
Dense Fog Advisory	8
Freezing Fog Advisory	1

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2022 2024

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.