Alert archive / Missouri / St. Clair County
Weather alerts in St. Clair County, Missouri, 2021
126 weather alerts in 2021, 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 2021. Tap one for its archive.
- Alerts
- 126
- Warnings
- 37
- Watches
- 24
- Advisories
- 33
- Busiest month
- March23 alerts
- Busiest day
- June 25, 20216 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, 8:44 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 1, 2:33 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 2, 7:16 PM CST | Dense Fog Advisory | SGF | 16 hr |
| Jan 3, 2:38 PM CST | Dense Fog Advisory | SGF | 18 hr |
| Jan 14, 2:14 PM CST | Winter Weather Advisory | SGF | 31 hr |
| Jan 14, 2:20 PM CST | Wind Advisory | SGF | 28 hr |
| Jan 19, 4:49 AM CST | Dense Fog Advisory | SGF | 5 hr |
| Jan 26, 7:34 PM CST | Winter Weather Advisory | SGF | 16 hr |
| Feb 5, 1:50 PM CST | Winter Weather Advisory | SGF | 31 hr |
| Feb 7, 1:01 PM CST | Winter Weather Advisory | SGF | 35 hr |
| Feb 11, 11:59 AM CST | Wind Chill Advisory | SGF | 22 hr |
| Feb 12, 3:50 AM CST | Wind Chill Advisory | SGF | 31 hr |
| Feb 13, 4:00 AM CST | Wind Chill Advisory | SGF | 34 hr |
| Feb 13, 4:00 AM CST | Winter Weather Advisory | SGF | 65 hr |
| Feb 14, 1:36 PM CST | Wind Chill Warning | SGF | 43 hr |
| Feb 14, 6:09 PM CST | Winter Storm Warning | SGF | 27 hr |
| Feb 16, 3:05 AM CST | Winter Weather Advisory | SGF | 36 hr |
| Feb 26, 8:34 PM CST | Dense Fog Advisory | SGF | 12 hr |
| Mar 7, 2:13 AM CST | Red Flag Warning | SGF | 16 hr |
| Mar 8, 2:21 AM CST | Red Flag Warning | SGF | 16 hr |
| Mar 9, 2:55 PM CST | Wind Advisory | SGF | 26 hr |
| Mar 11, 3:41 AM CST | Flood Watch | SGF | 59 hr |
| Mar 11, 10:39 AM CST | River Flood Watch | SGF | 5 days |
| Mar 11, 2:00 PM CST | River Flood Warning | SGF | 22 days |
| Mar 12, 12:21 PM CST | Areal Flood Warning | SGF | 12 hr |
| Mar 12, 11:48 PM CST | Areal Flood Warning | SGF | 12 hr |
| Mar 13, 11:24 AM CST | Areal Flood Warning | SGF | 24 hr |
| Mar 14, 3:25 AM CDT | Flood Watch | SGF | 23 hr |
| Mar 14, 12:10 PM CDT | Areal Flood Warning | SGF | 24 hr |
| Mar 15, 12:17 PM CDT | Areal Flood Warning | SGF | 6 hr |
| Mar 15, 2:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Mar 16, 12:57 AM CDT | Dense Fog Advisory | SGF | 10 hr |
| Mar 17, 12:45 AM CDT | Mesoscale Discussion | SPC | 90 min |
| Mar 17, 1:54 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 17, 2:19 AM CDT | Flash Flood Watch | SGF | 19 hr |
| Mar 17, 11:28 PM CDT | Areal Flood Warning | SGF | 8 hr |
| Mar 28, 3:33 AM CDT | Fire Weather Watch | SGF | 24 hr |
| Mar 28, 2:45 PM CDT | Wind Advisory | SGF | 30 hr |
| Mar 29, 3:14 AM CDT | Red Flag Warning | SGF | 18 hr |
| Mar 30, 3:47 AM CDT | Freeze Watch | SGF | 11 hr |
| Mar 30, 2:51 PM CDT | Freeze Warning | SGF | 42 hr |
| Apr 1, 2:29 AM CDT | Frost Advisory | SGF | 31 hr |
| Apr 7, 10:18 AM CDT | Mesoscale Discussion | SPC | 117 min |
| Apr 7, 12:02 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 7, 1:04 PM CDT | Special Weather Statement | SGF | 26 min |
| Apr 9, 7:59 PM CDT | River Flood Warning | SGF | 14 hr |
| Apr 14, 2:51 PM CDT | Frost Advisory | SGF | 17 hr |
| Apr 18, 2:11 PM CDT | Freeze Watch | SGF | 23 hr |
| Apr 19, 12:57 PM CDT | Freeze Warning | SGF | 44 hr |
| Apr 19, 2:29 PM CDT | Winter Weather Advisory | SGF | 27 hr |
| Apr 21, 2:52 AM CDT | Freeze Warning | SGF | 30 hr |
| May 8, 9:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 8, 9:51 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 9, 1:39 AM CDT | Mesoscale Discussion | SPC | 96 min |
| May 9, 3:46 AM CDT | Areal Flood Advisory | SGF | 6 hr |
| May 9, 4:23 AM CDT | Areal Flood Advisory | SGF | 6 hr |
| May 16, 1:27 PM CDT | Mesoscale Discussion | SPC | 93 min |
| May 18, 3:01 AM CDT | River Flood Warning | SGF | 5 days |
| May 19, 9:03 PM CDT | River Flood Warning | SGF | 61 hr |
| May 20, 5:05 AM CDT | River Flood Warning | SGF | 16 days |
| May 27, 10:53 AM CDT | Flash Flood Watch | SGF | 8 hr |
| May 27, 11:15 AM CDT | Severe Thunderstorm Warning | SGF | 45 min |
| Jun 11, 2:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 11, 3:54 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 11, 5:39 PM CDT | Severe Thunderstorm Warning | SGF | 66 min |
| Jun 11, 5:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 17, 2:31 PM CDT | Heat Advisory | SGF | 28 hr |
| Jun 21, 12:56 AM CDT | Special Weather Statement | SGF | 49 min |
| Jun 21, 1:07 AM CDT | Severe Thunderstorm Warning | SGF | 38 min |
| Jun 24, 12:22 PM CDT | Special Weather Statement | SGF | 23 min |
| Jun 24, 8:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 25, 11:56 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 25, 1:43 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 25, 2:35 PM CDT | Flash Flood Watch | SGF | 4 days |
| Jun 25, 3:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 6:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 25, 8:31 PM CDT | River Flood Warning | SGF | 21 days |
| Jun 26, 4:15 AM CDT | Areal Flood Warning | SGF | 16 hr |
| Jun 26, 9:50 AM CDT | River Flood Warning | SGF | 21 days |
| Jun 30, 2:56 AM CDT | Flash Flood Watch | SGF | 40 hr |
| Jul 10, 3:02 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 10, 3:56 PM CDT | Flash Flood Warning | SGF | 6 hr |
| Jul 10, 4:09 PM CDT | River Flood Warning | SGF | 6 days |
| Jul 10, 10:29 PM CDT | Special Weather Statement | SGF | 61 min |
| Jul 15, 3:20 AM CDT | Flash Flood Watch | SGF | 34 hr |
| Jul 15, 2:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jul 15, 11:29 PM CDT | River Flood Warning | SGF | 9 days |
| Jul 16, 4:53 AM CDT | Areal Flood Advisory | SGF | 6 hr |
| Jul 17, 4:00 PM CDT | Areal Flood Advisory | SGF | 4 hr |
| Jul 17, 4:50 PM CDT | Flash Flood Warning | SGF | 7 hr |
| Jul 25, 1:35 PM CDT | Flash Flood Warning | SGF | 4 hr |
| Jul 26, 2:42 PM CDT | Heat Advisory | SGF | 4 days |
| Jul 28, 11:16 AM CDT | Excessive Heat Warning | SGF | 58 hr |
| Jul 30, 2:56 AM CDT | Heat Advisory | SGF | 42 hr |
| Jul 31, 4:07 PM CDT | Severe Thunderstorm Warning | SGF | 38 min |
| Jul 31, 5:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 8, 2:46 PM CDT | Heat Advisory | SGF | 4 days |
| Aug 12, 5:19 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 17, 4:28 PM CDT | Severe Thunderstorm Warning | SGF | 47 min |
| Aug 21, 3:38 AM CDT | Flash Flood Warning | SGF | 6 hr |
| Aug 22, 2:16 PM CDT | Heat Advisory | SGF | 5 days |
| Sep 3, 3:20 AM CDT | Flash Flood Watch | SGF | 34 hr |
| Sep 4, 2:17 AM CDT | River Flood Warning | SGF | 6 days |
| Sep 4, 5:45 AM CDT | Areal Flood Advisory | SGF | 6 hr |
| Sep 14, 3:18 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Sep 20, 2:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 20, 3:25 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 20, 6:25 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Oct 6, 8:32 PM CDT | Dense Fog Advisory | SGF | 13 hr |
| Oct 10, 2:43 PM CDT | Flash Flood Watch | SGF | 16 hr |
| Oct 11, 5:00 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 11, 5:40 AM CDT | Wind Advisory | SGF | 5 hr |
| Oct 13, 7:34 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Oct 24, 12:40 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 24, 2:06 PM CDT | Tornado Watch | SPC | 9 hr |
| Oct 24, 3:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Nov 3, 2:56 AM CDT | Freeze Watch | SGF | 12 hr |
| Nov 3, 2:56 AM CDT | Freeze Warning | SGF | 30 hr |
| Nov 10, 9:55 PM CST | Special Weather Statement | SGF | 50 min |
| Dec 14, 2:07 PM CST | Wind Advisory | SGF | 34 hr |
| Dec 15, 5:01 PM CST | Mesoscale Discussion | SPC | 89 min |
| Dec 15, 5:30 PM CST | Mesoscale Discussion | SPC | 90 min |
| Dec 15, 6:00 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
| Dec 15, 7:14 PM CST | Mesoscale Discussion | SPC | 91 min |
| Dec 15, 7:42 PM CST | Severe Thunderstorm Warning | SGF | 33 min |
| Dec 15, 8:06 PM CST | Special Weather Statement | SGF | 54 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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.