Alert archive / Illinois / Saint Clair County

Weather alerts in Saint Clair County, Illinois, 2019

162 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Saint Clair County and its neighbors

Each county as a circle sized by its count in 2019. Tap one for its archive.

Alerts: 162
Warnings: 44
Watches: 32
Advisories: 38
Busiest month: August28 alerts
Busiest day: May 21, 20197 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 10, 3:33 AM CST	Winter Storm Watch	LSX	12 hr
Jan 10, 3:31 PM CST	Winter Storm Warning	LSX	62 hr
Jan 11, 6:15 PM CST	Mesoscale Discussion	SPC	4 hr
Jan 15, 3:12 PM CST	Winter Weather Advisory	LSX	19 hr
Jan 17, 4:10 AM CST	Dense Fog Advisory	LSX	8 hr
Jan 18, 2:45 AM CST	Winter Weather Advisory	LSX	41 hr
Jan 28, 3:00 AM CST	Wind Chill Watch	LSX	13 hr
Jan 28, 3:49 PM CST	Wind Chill Warning	LSX	47 hr
Jan 28, 3:49 PM CST	Wind Chill Advisory	LSX	44 hr
Jan 30, 3:47 AM CST	Winter Weather Advisory	LSX	19 hr
Jan 31, 2:41 PM CST	Winter Weather Advisory	LSX	12 hr
Feb 2, 3:34 AM CST	Dense Fog Advisory	LSX	8 hr
Feb 6, 8:50 PM CST	Dense Fog Advisory	LSX	9 hr
Feb 7, 5:16 AM CST	Areal Flood Advisory	LSX	6 hr
Feb 9, 3:17 AM CST	Winter Weather Advisory	LSX	35 hr
Feb 10, 1:15 AM CST	Mesoscale Discussion	SPC	5 hr
Feb 10, 5:41 AM CST	Mesoscale Discussion	SPC	4 hr
Feb 14, 3:01 PM CST	Winter Weather Advisory	LSX	32 hr
Feb 16, 3:25 AM CST	Winter Weather Advisory	LSX	39 hr
Feb 18, 3:20 PM CST	Winter Weather Advisory	LSX	44 hr
Feb 20, 9:09 AM CST	Dense Fog Advisory	LSX	3 hr
Feb 22, 3:45 PM CST	Wind Advisory	LSX	50 hr
Feb 27, 3:16 AM CST	Winter Weather Advisory	LSX	39 hr
Mar 1, 3:36 AM CST	Winter Storm Watch	LSX	24 hr
Mar 2, 3:37 AM CST	Winter Weather Advisory	LSX	35 hr
Mar 8, 3:03 PM CST	Wind Advisory	LSX	33 hr
Mar 9, 3:17 PM CST	Mesoscale Discussion	SPC	118 min
Mar 12, 3:30 PM CDT	Wind Advisory	LSX	28 hr
Mar 13, 3:42 AM CDT	High Wind Watch	LSX	24 hr
Mar 13, 11:21 AM CDT	River Flood Warning	LSX	129 days
Mar 14, 3:33 AM CDT	High Wind Warning	LSX	18 hr
Mar 24, 1:53 PM CDT	Mesoscale Discussion	SPC	3 hr
Mar 24, 2:52 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Mar 24, 5:11 PM CDT	Mesoscale Discussion	SPC	2 hr
Mar 24, 8:01 PM CDT	Mesoscale Discussion	SPC	119 min
Apr 7, 3:14 PM CDT	Mesoscale Discussion	SPC	3 hr
Apr 7, 7:18 PM CDT	Special Weather Statement	LSX	42 min
Apr 7, 7:48 PM CDT	Severe Thunderstorm Warning	LSX	36 min
Apr 10, 3:37 PM CDT	Wind Advisory	LSX	27 hr
Apr 14, 3:30 AM CDT	Frost Advisory	LSX	30 hr
Apr 18, 1:24 AM CDT	Severe Thunderstorm Warning	LSX	30 min
Apr 18, 2:16 AM CDT	Mesoscale Discussion	SPC	119 min
Apr 25, 1:33 AM CDT	Dense Fog Advisory	LSX	8 hr
Apr 29, 3:28 PM CDT	Flash Flood Watch	LSX	3 days
Apr 30, 12:39 PM CDT	Mesoscale Discussion	SPC	2 hr
Apr 30, 1:00 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Apr 30, 2:58 PM CDT	Severe Thunderstorm Warning	LSX	47 min
Apr 30, 3:06 PM CDT	Areal Flood Advisory	LSX	3 hr
Apr 30, 4:06 PM CDT	Severe Thunderstorm Warning	LSX	39 min
Apr 30, 4:35 PM CDT	Mesoscale Discussion	SPC	55 min
Apr 30, 7:29 PM CDT	Mesoscale Discussion	SPC	61 min
Apr 30, 8:03 PM CDT	Tornado Watch	SPC	5 hr
Apr 30, 10:13 PM CDT	Mesoscale Discussion	SPC	92 min
May 15, 12:52 AM CDT	Special Weather Statement	LSX	38 min
May 15, 1:12 AM CDT	Severe Thunderstorm Warning	LSX	36 min
May 15, 1:30 AM CDT	Severe Thunderstorm Warning	LSX	18 min
May 18, 4:40 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
May 18, 7:19 PM CDT	Mesoscale Discussion	SPC	116 min
May 21, 12:55 AM CDT	Mesoscale Discussion	SPC	95 min
May 21, 2:14 AM CDT	Special Weather Statement	LSX	61 min
May 21, 3:40 AM CDT	Flash Flood Watch	LSX	20 hr
May 21, 3:10 PM CDT	Tornado Watch	SPC	8 hr
May 21, 5:43 PM CDT	Mesoscale Discussion	SPC	62 min
May 21, 6:32 PM CDT	Severe Thunderstorm Warning	LSX	88 min
May 21, 6:48 PM CDT	Tornado Warning	LSX	42 min
May 21, 7:08 PM CDT	Tornado Warning	LSX	37 min
May 21, 7:37 PM CDT	Mesoscale Discussion	SPC	83 min
May 21, 7:56 PM CDT	Severe Thunderstorm Warning	LSX	53 min
May 22, 10:26 PM CDT	Tornado Watch	SPC	8 hr
May 23, 1:23 AM CDT	Mesoscale Discussion	SPC	97 min
May 23, 3:41 AM CDT	Severe Thunderstorm Warning	LSX	49 min
May 23, 4:01 AM CDT	Severe Thunderstorm Warning	LSX	44 min
May 23, 4:37 AM CDT	Areal Flood Warning	LSX	3 hr
May 23, 4:40 AM CDT	Severe Thunderstorm Warning	LSX	31 min
May 29, 3:48 PM CDT	Mesoscale Discussion	SPC	87 min
May 29, 4:34 PM CDT	Severe Thunderstorm Watch	SPC	3 hr
May 29, 5:11 PM CDT	Special Weather Statement	LSX	49 min
Jun 1, 3:33 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 1, 6:07 PM CDT	Mesoscale Discussion	SPC	83 min
Jun 1, 7:12 PM CDT	Severe Thunderstorm Warning	LSX	63 min
Jun 1, 8:10 PM CDT	Severe Thunderstorm Warning	LSX	65 min
Jun 1, 10:12 PM CDT	Special Weather Statement	LSX	48 min
Jun 4, 2:52 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 4, 4:57 PM CDT	Mesoscale Discussion	SPC	93 min
Jun 5, 2:21 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 5, 6:01 PM CDT	Mesoscale Discussion	SPC	89 min
Jun 5, 7:03 PM CDT	Severe Thunderstorm Warning	LSX	42 min
Jun 5, 7:44 PM CDT	Mesoscale Discussion	SPC	91 min
Jun 12, 6:44 PM CDT	Special Weather Statement	LSX	46 min
Jun 16, 1:14 AM CDT	Severe Thunderstorm Warning	LSX	46 min
Jun 17, 3:16 AM CDT	Flash Flood Watch	LSX	17 hr
Jun 19, 7:10 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 21, 8:28 AM CDT	Severe Thunderstorm Watch	SPC	9 hr
Jun 21, 10:50 AM CDT	Mesoscale Discussion	SPC	85 min
Jun 21, 11:54 AM CDT	Severe Thunderstorm Warning	LSX	66 min
Jun 21, 3:35 PM CDT	Heat Advisory	LSX	19 hr
Jun 21, 3:37 PM CDT	Flash Flood Watch	LSX	21 hr
Jun 26, 1:06 PM CDT	Mesoscale Discussion	SPC	114 min
Jun 26, 2:53 PM CDT	Severe Thunderstorm Warning	LSX	52 min
Jun 26, 3:17 PM CDT	Severe Thunderstorm Warning	LSX	43 min
Jun 26, 3:58 PM CDT	Severe Thunderstorm Warning	LSX	47 min
Jun 28, 11:23 AM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 28, 5:00 PM CDT	Special Weather Statement	LSX	45 min
Jul 3, 4:47 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 9, 1:32 PM CDT	Heat Advisory	LSX	29 hr
Jul 10, 2:57 PM CDT	Severe Thunderstorm Warning	LSX	33 min
Jul 15, 4:24 PM CDT	Excessive Heat Watch	LSX	23 hr
Jul 16, 3:32 PM CDT	Excessive Heat Warning	LSX	5 days
Jul 17, 5:17 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Jul 17, 5:27 PM CDT	Severe Thunderstorm Warning	LSX	48 min
Jul 17, 6:01 PM CDT	Severe Thunderstorm Warning	LSX	44 min
Jul 17, 6:17 PM CDT	Mesoscale Discussion	SPC	88 min
Aug 6, 1:08 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 6, 1:49 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Aug 6, 3:47 PM CDT	Mesoscale Discussion	SPC	118 min
Aug 11, 3:43 AM CDT	Heat Advisory	LSX	41 hr
Aug 11, 9:17 PM CDT	Flash Flood Watch	LSX	13 hr
Aug 12, 5:11 AM CDT	Flash Flood Warning	LSX	5 hr
Aug 12, 10:00 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 13, 5:36 AM CDT	Areal Flood Advisory	LSX	3 hr
Aug 17, 6:55 PM CDT	Special Weather Statement	LSX	50 min
Aug 17, 7:09 PM CDT	Severe Thunderstorm Warning	LSX	51 min
Aug 17, 7:17 PM CDT	Severe Thunderstorm Warning	LSX	43 min
Aug 18, 12:35 PM CDT	Mesoscale Discussion	SPC	115 min
Aug 18, 1:05 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Aug 19, 10:01 AM CDT	Heat Advisory	LSX	10 hr
Aug 19, 6:04 PM CDT	Special Weather Statement	LSX	41 min
Aug 19, 6:12 PM CDT	Severe Thunderstorm Warning	LSX	35 min
Aug 19, 6:42 PM CDT	Severe Thunderstorm Warning	LSX	19 min
Aug 19, 7:07 PM CDT	Mesoscale Discussion	SPC	83 min
Aug 20, 6:18 AM CDT	Severe Thunderstorm Watch	SPC	11 hr
Aug 20, 9:04 AM CDT	Mesoscale Discussion	SPC	86 min
Aug 21, 3:06 PM CDT	Flash Flood Watch	LSX	19 hr
Aug 21, 10:30 PM CDT	Flash Flood Warning	LSX	8 hr
Aug 26, 2:51 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Aug 30, 3:44 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Aug 30, 5:15 PM CDT	Mesoscale Discussion	SPC	90 min
Aug 30, 5:28 PM CDT	Severe Thunderstorm Warning	LSX	32 min
Aug 30, 6:26 PM CDT	Severe Thunderstorm Warning	LSX	49 min
Aug 30, 8:10 PM CDT	Areal Flood Advisory	LSX	6 hr
Sep 1, 9:41 PM CDT	Dense Fog Advisory	LSX	12 hr
Sep 8, 8:09 AM CDT	Special Weather Statement	LSX	66 min
Sep 10, 3:12 AM CDT	Heat Advisory	LSX	64 hr
Oct 3, 11:53 AM CDT	River Flood Warning	LSX	16 days
Oct 11, 2:42 PM CDT	Frost Advisory	LSX	17 hr
Oct 21, 3:06 AM CDT	Tornado Watch	SPC	6 hr
Oct 27, 1:54 AM CDT	Dense Fog Advisory	LSX	8 hr
Oct 30, 3:23 AM CDT	Freeze Warning	LSX	31 hr
Nov 10, 2:57 PM CST	Winter Weather Advisory	LSX	28 hr
Nov 26, 3:22 AM CST	Wind Advisory	LSX	33 hr
Nov 26, 1:04 PM CST	High Wind Warning	LSX	23 hr
Nov 26, 10:22 PM CST	Tornado Watch	SPC	4 hr
Nov 26, 10:37 PM CST	Tornado Warning	LSX	38 min
Nov 30, 8:55 AM CST	Areal Flood Warning	LSX	3 hr
Nov 30, 11:52 AM CST	Areal Flood Advisory	LSX	3 hr
Nov 30, 2:23 PM CST	Wind Advisory	LSX	28 hr
Dec 14, 3:54 AM CST	Winter Storm Watch	LSX	24 hr
Dec 15, 3:35 AM CST	Winter Storm Warning	LSX	44 hr
Dec 15, 10:05 AM CST	Mesoscale Discussion	SPC	4 hr
Dec 15, 2:11 PM CST	Mesoscale Discussion	SPC	4 hr
Dec 16, 10:36 AM CST	Mesoscale Discussion	SPC	4 hr
Dec 28, 4:30 AM CST	Dense Fog Advisory	LSX	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	28
Tornado Warning	3
Severe Thunderstorm Watch	15
Tornado Watch	5
Mesoscale Discussion	38
Special Weather Statement	10
Flooding
Areal Flood Warning	2
Flash Flood Warning	2
River Flood Warning	2
Flash Flood Watch	6
Areal Flood Advisory	5
Winter
Winter Storm Warning	2
Winter Storm Watch	3
Winter Weather Advisory	11
Heat
Excessive Heat Warning	1
Excessive Heat Watch	1
Heat Advisory	5
Cold
Freeze Warning	1
Wind Chill Warning	1
Wind Chill Watch	1
Frost Advisory	2
Wind Chill Advisory	1
Wind and dust
High Wind Warning	2
High Wind Watch	1
Wind Advisory	6
Fog and smoke
Dense Fog Advisory	8

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2018 2020

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.