Alert archive / Illinois / Saint Clair County
Weather alerts in Saint Clair County, Illinois, 2025
133 weather alerts in 2025, 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 2025. Tap one for its archive.
- Alerts
- 133
- Warnings
- 48
- Watches
- 17
- Advisories
- 41
- Busiest month
- April33 alerts
- Busiest day
- March 15, 20259 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 2, 2:29 PM CST | Winter Storm Watch | LSX | 23 hr |
| Jan 3, 1:29 PM CST | Winter Storm Warning | LSX | 65 hr |
| Jan 5, 2:40 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 8, 1:59 PM CST | Winter Weather Advisory | LSX | 52 hr |
| Jan 20, 2:45 AM CST | Cold Weather Advisory | LSX | 36 hr |
| Jan 30, 8:26 PM CST | Dense Fog Advisory | LSX | 11 hr |
| Feb 6, 12:07 AM CST | Dense Fog Advisory | LSX | 4 hr |
| Feb 11, 3:21 AM CST | Winter Weather Advisory | LSX | 39 hr |
| Feb 12, 6:16 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 16, 1:42 PM CST | Winter Storm Watch | LSX | 24 hr |
| Feb 17, 1:44 PM CST | Winter Weather Advisory | LSX | 37 hr |
| Feb 18, 12:30 PM CST | Cold Weather Advisory | LSX | 48 hr |
| Feb 28, 2:31 AM CST | Red Flag Warning | LSX | 17 hr |
| Mar 3, 2:11 PM CST | Wind Advisory | LSX | 35 hr |
| Mar 5, 1:08 AM CST | High Wind Warning | LSX | 10 hr |
| Mar 5, 1:19 AM CST | Wind Advisory | LSX | 17 hr |
| Mar 13, 2:08 AM CDT | Wind Advisory | LSX | 47 hr |
| Mar 14, 4:03 PM CDT | Tornado Watch | SPC | 9 hr |
| Mar 14, 7:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 14, 8:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Mar 14, 9:35 PM CDT | Tornado Warning | LSX | 40 min |
| Mar 14, 9:57 PM CDT | Severe Thunderstorm Warning | LSX | 48 min |
| Mar 14, 10:08 PM CDT | Tornado Warning | LSX | 52 min |
| Mar 14, 10:11 PM CDT | Tornado Warning | LSX | 49 min |
| Mar 14, 10:28 PM CDT | Tornado Warning | LSX | 24 min |
| Mar 14, 10:42 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Mar 14, 10:57 PM CDT | Severe Thunderstorm Warning | LSX | 31 min |
| Mar 18, 1:18 PM CDT | Wind Advisory | LSX | 38 hr |
| Mar 18, 9:07 PM CDT | Red Flag Warning | LSX | 22 hr |
| Mar 20, 2:30 PM CDT | Red Flag Warning | LSX | 29 hr |
| Mar 30, 11:04 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Mar 30, 1:35 PM CDT | Severe Thunderstorm Warning | LSX | 40 min |
| Mar 30, 1:58 PM CDT | Severe Thunderstorm Warning | LSX | 62 min |
| Mar 30, 2:27 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Mar 30, 2:32 PM CDT | Severe Thunderstorm Warning | LSX | 43 min |
| Apr 1, 1:53 PM CDT | Flood Watch | LSX | 4 days |
| Apr 1, 2:00 PM CDT | Wind Advisory | LSX | 28 hr |
| Apr 2, 8:47 AM CDT | Tornado Watch | SPC | 9 hr |
| Apr 2, 3:55 PM CDT | Tornado Warning | LSX | 50 min |
| Apr 2, 4:19 PM CDT | Tornado Watch | SPC | 3 hr |
| Apr 2, 4:38 PM CDT | Severe Thunderstorm Warning | LSX | 52 min |
| Apr 2, 5:00 PM CDT | Severe Thunderstorm Warning | LSX | 36 min |
| Apr 4, 6:51 PM CDT | Flash Flood Warning | LSX | 7 hr |
| Apr 4, 8:50 PM CDT | Areal Flood Warning | LSX | 6 hr |
| Apr 5, 1:34 AM CDT | Areal Flood Warning | LSX | 5 hr |
| Apr 5, 11:29 AM CDT | River Flood Warning | LSX | 8 days |
| Apr 6, 2:24 AM CDT | Freeze Watch | LSX | 23 hr |
| Apr 7, 1:23 AM CDT | Freeze Warning | LSX | 32 hr |
| Apr 10, 2:41 PM CDT | Severe Thunderstorm Warning | LSX | 49 min |
| Apr 11, 1:22 PM CDT | Frost Advisory | LSX | 19 hr |
| Apr 17, 1:54 PM CDT | Flood Watch | LSX | 3 days |
| Apr 18, 2:53 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 19, 1:40 AM CDT | Severe Thunderstorm Warning | LSX | 50 min |
| Apr 19, 1:43 AM CDT | Severe Thunderstorm Warning | LSX | 47 min |
| Apr 19, 5:35 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 20, 2:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 20, 3:41 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 20, 7:46 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Apr 20, 7:53 PM CDT | Severe Thunderstorm Warning | LSX | 52 min |
| Apr 20, 8:03 PM CDT | Tornado Warning | LSX | 42 min |
| Apr 20, 8:32 PM CDT | Tornado Warning | LSX | 43 min |
| Apr 20, 8:38 PM CDT | Tornado Warning | LSX | 38 min |
| Apr 29, 7:08 AM CDT | Severe Thunderstorm Warning | LSX | 42 min |
| Apr 29, 8:56 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 30, 2:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 30, 4:09 PM CDT | Tornado Warning | LSX | 40 min |
| Apr 30, 4:36 PM CDT | Tornado Warning | LSX | 39 min |
| Apr 30, 4:40 PM CDT | Tornado Watch | SPC | 5 hr |
| May 13, 2:44 AM CDT | Dense Fog Advisory | LSX | 5 hr |
| May 16, 11:41 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 16, 11:58 AM CDT | Tornado Watch | SPC | 8 hr |
| May 16, 2:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 16, 2:34 PM CDT | Tornado Warning | LSX | 41 min |
| May 16, 2:52 PM CDT | Severe Thunderstorm Warning | LSX | 30 min |
| May 16, 4:15 PM CDT | Severe Thunderstorm Warning | LSX | 24 min |
| May 19, 7:36 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 19, 8:26 PM CDT | Tornado Watch | SPC | 7 hr |
| May 19, 10:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 20, 12:03 AM CDT | Areal Flood Advisory | LSX | 6 hr |
| May 20, 12:12 AM CDT | Tornado Warning | LSX | 33 min |
| May 20, 1:07 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 4, 1:43 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 7, 12:17 AM CDT | Dense Fog Advisory | LSX | 9 hr |
| Jun 7, 3:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 17, 4:39 AM CDT | Dense Fog Advisory | LSX | 4 hr |
| Jun 18, 7:59 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 18, 9:46 AM CDT | Tornado Watch | SPC | 6 hr |
| Jun 19, 2:37 AM CDT | Extreme Heat Watch | LSX | 35 hr |
| Jun 19, 1:56 PM CDT | Heat Advisory | LSX | 7 days |
| Jun 20, 2:00 PM CDT | Extreme Heat Warning | LSX | 3 days |
| Jun 27, 1:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 27, 3:12 PM CDT | Severe Thunderstorm Warning | LSX | 33 min |
| Jun 30, 8:04 PM CDT | Areal Flood Advisory | LSX | 3 hr |
| Jul 6, 12:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 4:04 PM CDT | Areal Flood Advisory | LSX | 13 min |
| Jul 6, 4:11 PM CDT | Severe Thunderstorm Warning | LSX | 49 min |
| Jul 6, 4:17 PM CDT | Flash Flood Warning | LSX | 3 hr |
| Jul 13, 4:20 PM CDT | Areal Flood Advisory | LSX | 3 hr |
| Jul 17, 12:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 1:49 PM CDT | Severe Thunderstorm Warning | LSX | 41 min |
| Jul 17, 2:34 PM CDT | Areal Flood Advisory | LSX | 4 hr |
| Jul 17, 3:48 PM CDT | Flash Flood Warning | LSX | 3 hr |
| Jul 18, 2:06 PM CDT | Extreme Heat Warning | LSX | 12 days |
| Jul 19, 7:16 AM CDT | Areal Flood Advisory | LSX | 42 min |
| Jul 19, 7:58 AM CDT | Flash Flood Warning | LSX | 3 hr |
| Jul 20, 1:44 AM CDT | Flood Watch | LSX | 33 hr |
| Jul 21, 12:27 AM CDT | Flash Flood Warning | LSX | 3 hr |
| Jul 21, 2:03 AM CDT | Areal Flood Advisory | LSX | 4 hr |
| Jul 21, 6:11 AM CDT | Areal Flood Advisory | LSX | 3 hr |
| Jul 26, 1:42 PM CDT | Areal Flood Advisory | LSX | 3 hr |
| Aug 12, 2:48 PM CDT | Areal Flood Advisory | LSX | 55 min |
| Aug 12, 3:43 PM CDT | Flash Flood Warning | LSX | 105 min |
| Aug 12, 5:28 PM CDT | Areal Flood Advisory | LSX | 62 min |
| Aug 14, 2:34 PM CDT | Heat Advisory | LSX | 5 days |
| Sep 14, 3:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 22, 9:24 PM CDT | Dense Fog Advisory | LSX | 9 hr |
| Oct 31, 2:16 AM CDT | Freeze Watch | LSX | 36 hr |
| Nov 1, 1:55 AM CDT | Freeze Warning | LSX | 31 hr |
| Nov 2, 2:21 AM CST | Dense Fog Advisory | LSX | 8 hr |
| Nov 20, 7:22 PM CST | Dense Fog Advisory | LSX | 16 hr |
| Nov 23, 5:41 PM CST | Dense Fog Advisory | LSX | 15 hr |
| Nov 28, 2:17 AM CST | Winter Weather Advisory | LSX | 39 hr |
| Nov 29, 3:18 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Nov 30, 12:51 PM CST | Winter Weather Advisory | LSX | 38 hr |
| Dec 9, 1:17 PM CST | Wind Advisory | LSX | 23 hr |
| Dec 12, 12:53 PM CST | Cold Weather Advisory | LSX | 47 hr |
| Dec 18, 1:56 AM CST | Wind Advisory | LSX | 22 hr |
| Dec 18, 10:44 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 18, 11:59 AM CST | Severe Thunderstorm Warning | LSX | 46 min |
| Dec 23, 9:53 PM CST | Dense Fog Advisory | LSX | 11 hr |
| Dec 26, 7:29 PM CST | Dense Fog Advisory | LSX | 17 hr |
| Dec 28, 8:01 AM CST | Wind Advisory | LSX | 22 hr |
| Dec 28, 1:18 PM CST | Mesoscale Discussion | SPC | 117 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 | 18 |
| Tornado Warning | 12 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 8 |
| Mesoscale Discussion | 27 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 6 |
| River Flood Warning | 1 |
| Flood Watch | 3 |
| Areal Flood Advisory | 11 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 5 |
| Heat | |
| Extreme Heat Warning | 2 |
| Extreme Heat Watch | 1 |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 2 |
| Cold Weather Advisory | 3 |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 8 |
| Fire | |
| Red Flag Warning | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 11 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20242026
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.