Alert archive / Missouri / St. Clair County

Weather alerts in St. Clair County, Missouri, 2026

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

St. Clair County and its neighbors

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

Alerts: 194
Warnings: 77
Watches: 37
Advisories: 29
Busiest month: April64 alerts
Busiest day: April 27, 202615 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 8, 11:30 AM CST	Severe Thunderstorm Warning	SGF	45 min
Jan 8, 11:52 AM CST	Tornado Warning	SGF	23 min
Jan 21, 2:39 AM CST	Winter Storm Watch	SGF	32 hr
Jan 22, 2:25 AM CST	Cold Weather Advisory	SGF	71 hr
Jan 22, 10:47 AM CST	Winter Storm Warning	SGF	3 days
Jan 25, 1:17 AM CST	Extreme Cold Warning	SGF	35 hr
Feb 18, 1:05 PM CST	Red Flag Warning	SGF	31 hr
Mar 6, 3:47 PM CST	Mesoscale Discussion	SPC	2 hr
Mar 6, 5:45 PM CST	Tornado Watch	SPC	9 hr
Mar 6, 7:43 PM CST	Mesoscale Discussion	SPC	92 min
Mar 6, 8:31 PM CST	Severe Thunderstorm Warning Considerable damage threat	SGF	44 min
Mar 6, 9:09 PM CST	Severe Thunderstorm Warning	SGF	51 min
Mar 10, 5:41 PM CDT	Mesoscale Discussion	SPC	2 hr
Mar 10, 10:18 PM CDT	Tornado Watch	SPC	7 hr
Mar 11, 12:06 AM CDT	Severe Thunderstorm Warning	SGF	39 min
Mar 11, 12:28 AM CDT	Special Weather Statement	SGF	47 min
Mar 11, 12:38 AM CDT	Severe Thunderstorm Warning	SGF	37 min
Mar 14, 10:34 AM CDT	Wind Advisory	SGF	44 hr
Mar 26, 7:58 PM CDT	Mesoscale Discussion	SPC	2 hr
Mar 27, 11:39 AM CDT	Freeze Warning	SGF	21 hr
Apr 1, 10:59 AM CDT	Flood Watch	SGF	23 hr
Apr 1, 3:52 PM CDT	Mesoscale Discussion	SPC	113 min
Apr 1, 6:01 PM CDT	Tornado Watch	SPC	7 hr
Apr 1, 6:37 PM CDT	Severe Thunderstorm Warning	SGF	31 min
Apr 1, 7:42 PM CDT	Mesoscale Discussion	SPC	2 hr
Apr 2, 12:57 AM CDT	Areal Flood Advisory	SGF	6 hr
Apr 2, 10:16 AM CDT	River Flood Warning	SGF	34 hr
Apr 3, 2:37 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Apr 3, 9:43 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Apr 3, 10:09 PM CDT	Special Weather Statement	SGF	36 min
Apr 3, 10:33 PM CDT	Special Weather Statement	SGF	42 min
Apr 3, 11:23 PM CDT	Areal Flood Advisory	SGF	6 hr
Apr 4, 1:51 PM CDT	Frost Advisory	SGF	19 hr
Apr 15, 2:14 PM CDT	Mesoscale Discussion	SPC	2 hr
Apr 15, 2:31 PM CDT	Tornado Watch	SPC	8 hr
Apr 15, 5:56 PM CDT	Mesoscale Discussion	SPC	94 min
Apr 15, 6:09 PM CDT	Severe Thunderstorm Warning	SGF	66 min
Apr 15, 6:15 PM CDT	Mesoscale Discussion	SPC	2 hr
Apr 15, 6:31 PM CDT	Tornado Warning	SGF	44 min
Apr 15, 6:52 PM CDT	Severe Thunderstorm Warning	SGF	12 min
Apr 17, 2:14 AM CDT	Flood Watch	SGF	28 hr
Apr 17, 11:35 AM CDT	River Flood Watch	SGF	12 hr
Apr 17, 1:40 PM CDT	Tornado Watch	SPC	7 hr
Apr 17, 5:10 PM CDT	Mesoscale Discussion	SPC	2 hr
Apr 17, 6:05 PM CDT	Special Weather Statement	SGF	40 min
Apr 17, 6:11 PM CDT	Severe Thunderstorm Warning	SGF	49 min
Apr 17, 6:19 PM CDT	Tornado Warning	SGF	41 min
Apr 17, 6:47 PM CDT	Severe Thunderstorm Warning	SGF	43 min
Apr 17, 6:55 PM CDT	Severe Thunderstorm Warning	SGF	35 min
Apr 17, 7:07 PM CDT	Flash Flood Warning	SGF	6 hr
Apr 17, 7:16 PM CDT	Tornado Warning	SGF	29 min
Apr 17, 7:53 PM CDT	River Flood Warning	SGF	21 days
Apr 18, 1:07 AM CDT	Areal Flood Warning	SGF	17 hr
Apr 18, 6:14 PM CDT	Areal Flood Advisory	SGF	25 hr
Apr 23, 9:51 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Apr 23, 10:37 PM CDT	Severe Thunderstorm Warning	SGF	53 min
Apr 23, 11:17 PM CDT	Severe Thunderstorm Warning	SGF	43 min
Apr 26, 3:22 PM CDT	Tornado Watch	SPC	8 hr
Apr 26, 6:09 PM CDT	Tornado Warning	SGF	51 min
Apr 26, 6:12 PM CDT	Severe Thunderstorm Warning	SGF	48 min
Apr 26, 6:32 PM CDT	Mesoscale Discussion	SPC	88 min
Apr 26, 6:49 PM CDT	Severe Thunderstorm Warning	SGF	41 min
Apr 26, 6:51 PM CDT	Tornado Warning	SGF	39 min
Apr 26, 6:55 PM CDT	Tornado Watch	SPC	7 hr
Apr 26, 7:13 PM CDT	Severe Thunderstorm Warning	SGF	62 min
Apr 26, 7:19 PM CDT	Tornado Warning	SGF	41 min
Apr 26, 7:54 PM CDT	Tornado Warning	SGF	51 min
Apr 26, 8:17 PM CDT	River Flood Watch	SGF	8 hr
Apr 26, 8:34 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SGF	41 min
Apr 26, 9:21 PM CDT	Areal Flood Advisory	SGF	6 hr
Apr 26, 9:39 PM CDT	Severe Thunderstorm Warning	SGF	66 min
Apr 26, 9:42 PM CDT	Tornado Warning	SGF	48 min
Apr 26, 10:07 PM CDT	Tornado Warning	SGF	38 min
Apr 26, 10:34 PM CDT	Severe Thunderstorm Warning	SGF	41 min
Apr 27, 3:46 AM CDT	Severe Thunderstorm Watch	SPC	6 hr
Apr 27, 3:49 AM CDT	River Flood Warning	SGF	5 days
Apr 27, 9:33 AM CDT	Mesoscale Discussion	SPC	117 min
Apr 27, 1:55 PM CDT	Mesoscale Discussion	SPC	95 min
Apr 27, 2:07 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Apr 28, 11:46 AM CDT	Severe Thunderstorm Warning Considerable damage threat	SGF	44 min
Apr 28, 12:12 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SGF	33 min
Apr 28, 1:50 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SGF	40 min
Apr 28, 2:15 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SGF	48 min
Apr 28, 4:18 PM CDT	Mesoscale Discussion	SPC	87 min
May 4, 8:53 PM CDT	Mesoscale Discussion	SPC	2 hr
May 8, 3:01 PM CDT	Mesoscale Discussion	SPC	119 min
May 8, 5:49 PM CDT	Severe Thunderstorm Warning	SGF	56 min
May 9, 12:31 AM CDT	Dense Fog Advisory	SGF	7 hr
May 18, 1:02 AM CDT	Flood Watch	SGF	36 hr
May 18, 9:43 AM CDT	Areal Flood Advisory	SGF	2 hr
May 18, 11:54 AM CDT	Flash Flood Warning	SGF	4 hr
May 18, 11:36 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
May 19, 2:01 AM CDT	Mesoscale Discussion	SPC	119 min
May 19, 3:30 AM CDT	Areal Flood Advisory	SGF	7 hr
May 19, 6:42 AM CDT	River Flood Warning	SGF	21 days
May 19, 10:28 AM CDT	Areal Flood Warning	SGF	21 hr
May 23, 5:05 AM CDT	Dense Fog Advisory	SGF	4 hr
May 23, 2:31 PM CDT	Areal Flood Advisory	SGF	6 hr
May 23, 4:00 PM CDT	Areal Flood Advisory	SGF	6 hr
May 23, 8:07 PM CDT	River Flood Warning	SGF	11 hr
May 24, 12:49 AM CDT	Dense Fog Advisory	SGF	9 hr
May 30, 9:22 AM CDT	River Flood Watch	SGF	8 hr
May 30, 5:24 PM CDT	River Flood Warning	SGF	51 hr
May 31, 8:53 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
May 31, 10:53 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 1, 1:54 AM CDT	Mesoscale Discussion	SPC	2 hr
Jun 2, 2:17 PM CDT	River Flood Warning	SGF	66 hr
Jun 6, 12:12 PM CDT	Flood Watch	SGF	65 hr
Jun 7, 1:16 PM CDT	Mesoscale Discussion	SPC	119 min
Jun 7, 2:31 PM CDT	Tornado Watch	SPC	7 hr
Jun 7, 3:11 PM CDT	Tornado Warning	SGF	30 min
Jun 7, 3:39 PM CDT	Severe Thunderstorm Warning	SGF	32 min
Jun 7, 3:58 PM CDT	Mesoscale Discussion	SPC	92 min
Jun 7, 4:04 PM CDT	Severe Thunderstorm Warning	SGF	41 min
Jun 8, 11:23 AM CDT	Heat Advisory	SGF	32 hr
Jun 8, 11:02 PM CDT	Mesoscale Discussion	SPC	88 min
Jun 8, 11:49 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Jun 9, 2:35 AM CDT	Mesoscale Discussion	SPC	55 min
Jun 11, 1:18 PM CDT	Mesoscale Discussion	SPC	117 min
Jun 11, 2:47 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Jun 11, 5:23 PM CDT	Severe Thunderstorm Warning	SGF	52 min
Jun 11, 8:11 PM CDT	Severe Thunderstorm Warning	SGF	23 min
Jun 12, 10:55 AM CDT	Flood Watch	SGF	44 hr
Jun 12, 11:42 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 13, 7:44 AM CDT	Special Weather Statement	SGF	31 min
Jun 13, 9:16 AM CDT	Areal Flood Advisory	SGF	6 hr
Jun 13, 10:17 AM CDT	Flash Flood Warning	SGF	3 hr
Jun 13, 12:01 PM CDT	River Flood Warning	SGF	21 days
Jun 13, 3:05 PM CDT	Areal Flood Warning	SGF	16 hr
Jun 13, 8:56 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Jun 13, 10:04 PM CDT	Mesoscale Discussion	SPC	116 min
Jun 13, 10:37 PM CDT	Severe Thunderstorm Warning	SGF	53 min
Jun 13, 11:35 PM CDT	Areal Flood Advisory	SGF	6 hr
Jun 14, 12:01 AM CDT	Areal Flood Advisory	SGF	6 hr
Jun 14, 12:35 AM CDT	Flash Flood Warning	SGF	6 hr
Jun 14, 4:37 AM CDT	Areal Flood Warning	SGF	48 hr
Jun 17, 1:03 PM CDT	Mesoscale Discussion	SPC	117 min
Jun 17, 2:36 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 17, 5:23 PM CDT	Tornado Watch	SPC	5 hr
Jun 17, 5:43 PM CDT	Mesoscale Discussion	SPC	62 min
Jun 17, 5:57 PM CDT	Severe Thunderstorm Warning	SGF	31 min
Jun 17, 6:50 PM CDT	Severe Thunderstorm Warning	SGF	40 min
Jun 17, 7:48 PM CDT	Severe Thunderstorm Warning	SGF	42 min
Jun 17, 7:58 PM CDT	Severe Thunderstorm Warning	SGF	47 min
Jun 17, 8:37 PM CDT	Areal Flood Advisory	SGF	6 hr
Jun 18, 1:26 AM CDT	Areal Flood Advisory	SGF	6 hr
Jun 20, 1:13 AM CDT	Flood Watch	SGF	47 hr
Jun 21, 5:27 AM CDT	Mesoscale Discussion	SPC	63 min
Jun 21, 8:15 AM CDT	River Flood Warning	SGF	21 days
Jun 21, 10:51 AM CDT	Areal Flood Advisory	SGF	6 hr
Jun 21, 5:21 PM CDT	Mesoscale Discussion	SPC	84 min
Jun 24, 11:13 AM CDT	Flood Watch	SGF	68 hr
Jun 25, 9:25 AM CDT	River Flood Watch	SGF	23 hr
Jun 26, 1:38 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 27, 1:40 AM CDT	Heat Advisory	SGF	8 days
Jul 4, 10:09 AM CDT	Mesoscale Discussion	SPC	3 hr
Jul 4, 12:17 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 4, 12:38 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SGF	52 min
Jul 4, 1:00 PM CDT	Severe Thunderstorm Warning	SGF	60 min
Jul 9, 5:13 AM CDT	Severe Thunderstorm Warning	SGF	47 min
Jul 9, 5:40 AM CDT	Severe Thunderstorm Warning	SGF	65 min
Jul 9, 5:59 AM CDT	Severe Thunderstorm Warning	SGF	46 min
Jul 9, 6:39 AM CDT	Flash Flood Warning	SGF	3 hr
Jul 9, 11:05 AM CDT	Flood Watch	SGF	48 hr
Jul 9, 3:53 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 9, 7:03 PM CDT	Tornado Warning	SGF	42 min
Jul 10, 4:46 PM CDT	Mesoscale Discussion	SPC	119 min
Jul 10, 10:36 PM CDT	Mesoscale Discussion	SPC	114 min
Jul 19, 12:25 AM CDT	Heat Advisory	SGF	67 hr
Jul 24, 12:30 AM CDT	Extreme Heat Watch	SGF	11 hr
Jul 24, 11:27 AM CDT	Heat Advisory	SGF	37 hr
Jul 26, 12:27 AM CDT	Heat Advisory	SGF	67 hr
Jul 26, 12:27 AM CDT	Extreme Heat Warning	SGF	67 hr
Jul 31, 2:13 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 5, 9:00 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 8, 2:11 AM CDT	Extreme Heat Watch	SGF	23 hr
Aug 9, 1:04 AM CDT	Extreme Heat Warning	SGF	8 days
Aug 16, 3:11 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 18, 11:40 PM CDT	Mesoscale Discussion	SPC	95 min
Aug 19, 1:57 AM CDT	Mesoscale Discussion	SPC	93 min
Aug 20, 5:45 AM CDT	Dense Fog Advisory	SGF	4 hr
Aug 21, 6:57 PM CDT	Special Weather Statement	SGF	63 min
Aug 21, 7:01 PM CDT	Special Weather Statement	EAX	29 min
Aug 30, 12:25 PM CDT	Heat Advisory	SGF	5 days
Aug 30, 12:25 PM CDT	Extreme Heat Watch	SGF	10 hr
Sep 4, 1:30 PM CDT	Extreme Heat Warning	SGF	4 days
Sep 6, 7:23 PM CDT	Special Weather Statement	SGF	37 min
Sep 6, 7:40 PM CDT	Severe Thunderstorm Warning	SGF	50 min
Sep 6, 8:24 PM CDT	Special Weather Statement	SGF	36 min
Sep 6, 8:46 PM CDT	Severe Thunderstorm Warning	SGF	44 min
Sep 8, 12:39 AM CDT	Heat Advisory	SGF	42 hr
Sep 9, 4:48 PM CDT	Mesoscale Discussion	SPC	117 min
Sep 13, 12:40 PM CDT	Heat Advisory	SGF	6 days
Sep 15, 2:35 PM CDT	Mesoscale Discussion	SPC	115 min

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	40
Tornado Warning	12
Severe Thunderstorm Watch	12
Tornado Watch	9
Mesoscale Discussion	42
Special Weather Statement	9
Flooding
Areal Flood Warning	4
Flash Flood Warning	5
River Flood Warning	9
Flood Watch	8
River Flood Watch	4
Areal Flood Advisory	14
Winter
Winter Storm Warning	1
Winter Storm Watch	1
Heat
Extreme Heat Warning	3
Extreme Heat Watch	3
Heat Advisory	8
Cold
Extreme Cold Warning	1
Freeze Warning	1
Cold Weather Advisory	1
Frost Advisory	1
Wind and dust
Wind Advisory	1
Fire
Red Flag Warning	1
Fog and smoke
Dense Fog Advisory	4

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.