Alert archive / Illinois / Williamson County
Weather alerts in Williamson County, Illinois, 2019
129 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Williamson County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 129
- Warnings
- 23
- Watches
- 24
- Advisories
- 44
- Busiest month
- June26 alerts
- Busiest day
- June 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 8, 3:36 AM CST | Wind Advisory | PAH | 14 hr |
| Jan 10, 4:08 AM CST | Winter Storm Watch | PAH | 12 hr |
| Jan 10, 4:20 PM CST | Winter Storm Warning | PAH | 44 hr |
| Jan 18, 2:04 PM CST | Winter Weather Advisory | PAH | 34 hr |
| Jan 19, 3:34 AM CST | Winter Storm Warning | PAH | 19 hr |
| Jan 19, 3:21 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Jan 19, 6:21 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Jan 22, 10:54 AM CST | Flood Watch | PAH | 22 hr |
| Jan 22, 10:54 AM CST | Wind Advisory | PAH | 21 hr |
| Jan 23, 9:11 AM CST | River Flood Warning | PAH | 4 days |
| Jan 28, 2:07 PM CST | Wind Chill Advisory | PAH | 46 hr |
| Jan 30, 4:26 AM CST | Winter Weather Advisory | PAH | 18 hr |
| Jan 31, 2:55 PM CST | Winter Weather Advisory | PAH | 18 hr |
| Feb 2, 2:59 AM CST | Dense Fog Advisory | PAH | 6 hr |
| Feb 2, 9:03 AM CST | Dense Fog Advisory | PAH | 117 min |
| Feb 5, 3:27 PM CST | Flood Watch | PAH | 48 hr |
| Feb 6, 10:29 AM CST | River Flood Warning | PAH | 17 days |
| Feb 6, 8:43 PM CST | Dense Fog Advisory | PAH | 6 hr |
| Feb 7, 7:11 AM CST | Mesoscale Discussion | SPC | 64 min |
| Feb 7, 8:54 AM CST | Severe Thunderstorm Warning | PAH | 32 min |
| Feb 7, 9:26 AM CST | Mesoscale Discussion | SPC | 94 min |
| Feb 7, 9:43 AM CST | Flash Flood Warning | PAH | 3 hr |
| Feb 9, 4:09 AM CST | Winter Weather Advisory | PAH | 32 hr |
| Feb 9, 1:42 PM CST | Flood Watch | PAH | 64 hr |
| Feb 10, 1:15 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 14, 9:15 AM CST | Wind Advisory | PAH | 8 hr |
| Feb 14, 2:40 PM CST | Winter Weather Advisory | PAH | 36 hr |
| Feb 23, 4:08 AM CST | Wind Advisory | PAH | 36 hr |
| Feb 27, 3:36 PM CST | Winter Weather Advisory | PAH | 26 hr |
| Mar 2, 2:53 PM CST | Winter Weather Advisory | PAH | 23 hr |
| Mar 9, 9:43 AM CST | Special Weather Statement | PAH | 47 min |
| Mar 9, 9:52 AM CST | Special Weather Statement | PAH | 53 min |
| Mar 9, 2:12 PM CST | Areal Flood Advisory | PAH | 87 min |
| Mar 9, 3:17 PM CST | Mesoscale Discussion | SPC | 118 min |
| Mar 12, 3:24 PM CDT | Wind Advisory | PAH | 28 hr |
| Mar 13, 2:53 PM CDT | Wind Advisory | PAH | 28 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 |
| Mar 30, 4:23 AM CDT | Freeze Watch | PAH | 21 hr |
| Mar 31, 1:06 AM CDT | Freeze Warning | PAH | 32 hr |
| Apr 10, 3:04 PM CDT | Wind Advisory | PAH | 28 hr |
| Apr 14, 3:58 AM CDT | Frost Advisory | PAH | 29 hr |
| Apr 18, 4:00 AM CDT | Flood Watch | PAH | 17 hr |
| Apr 24, 2:51 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Apr 24, 3:36 PM CDT | Areal Flood Advisory | PAH | 114 min |
| Apr 25, 2:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 25, 4:38 PM CDT | Areal Flood Advisory | PAH | 4 hr |
| Apr 25, 8:40 PM CDT | River Flood Warning | PAH | 7 days |
| May 2, 10:21 AM CDT | River Flood Warning | PAH | 9 days |
| May 2, 10:49 AM CDT | Flash Flood Watch | PAH | 21 hr |
| May 17, 7:27 PM CDT | Lake Wind Advisory | PAH | 23 hr |
| May 19, 3:23 AM CDT | Lake Wind Advisory | PAH | 15 hr |
| May 20, 2:25 PM CDT | Lake Wind Advisory | PAH | 31 hr |
| May 21, 3:10 PM CDT | Tornado Watch | SPC | 8 hr |
| May 21, 7:37 PM CDT | Mesoscale Discussion | SPC | 83 min |
| May 21, 8:48 PM CDT | Tornado Watch | SPC | 3 hr |
| May 21, 9:36 PM CDT | Tornado Warning | PAH | 39 min |
| May 21, 10:20 PM CDT | Severe Thunderstorm Warning | PAH | 40 min |
| May 21, 10:33 PM CDT | Severe Thunderstorm Warning | PAH | 42 min |
| May 21, 11:02 PM CDT | Areal Flood Advisory | PAH | 3 hr |
| May 23, 12:08 PM CDT | Lake Wind Advisory | PAH | 6 hr |
| May 23, 2:39 PM CDT | Mesoscale Discussion | SPC | 96 min |
| May 26, 12:59 PM CDT | Special Weather Statement | PAH | 46 min |
| May 26, 1:05 PM CDT | Severe Thunderstorm Warning | PAH | 40 min |
| May 27, 12:31 PM CDT | Lake Wind Advisory | PAH | 5 hr |
| May 28, 3:09 AM CDT | Lake Wind Advisory | PAH | 16 hr |
| May 29, 7:25 AM CDT | Special Weather Statement | PAH | 50 min |
| May 29, 3:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 5, 2:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 5, 3:05 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 5, 7:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 10, 3:18 AM CDT | Lake Wind Advisory | PAH | 16 hr |
| Jun 15, 2:11 AM CDT | Lake Wind Advisory | PAH | 17 hr |
| Jun 15, 12:57 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 16, 1:46 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 16, 2:08 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 16, 3:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 16, 4:21 PM CDT | Special Weather Statement | PAH | 69 min |
| Jun 17, 3:14 AM CDT | Flash Flood Watch | PAH | 28 hr |
| Jun 19, 12:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 19, 2:11 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 19, 2:56 PM CDT | Special Weather Statement | PAH | 49 min |
| Jun 19, 7:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 21, 12:06 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 21, 2:59 PM CDT | Flash Flood Watch | PAH | 19 hr |
| Jun 21, 2:59 PM CDT | Severe Thunderstorm Warning | PAH | 46 min |
| Jun 21, 3:14 PM CDT | Severe Thunderstorm Warning | PAH | 46 min |
| Jun 21, 3:57 PM CDT | Severe Thunderstorm Warning | PAH | 33 min |
| Jun 21, 4:33 PM CDT | Flash Flood Warning | PAH | 6 hr |
| Jun 21, 4:43 PM CDT | Severe Thunderstorm Warning | PAH | 47 min |
| Jun 22, 12:29 PM CDT | Flash Flood Warning | PAH | 6 hr |
| Jun 23, 1:02 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 26, 1:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 26, 6:04 PM CDT | Areal Flood Advisory | PAH | 3 hr |
| Jun 30, 8:28 PM CDT | Special Weather Statement | PAH | 47 min |
| Jul 10, 2:26 AM CDT | Heat Advisory | PAH | 17 hr |
| Jul 16, 3:50 PM CDT | Excessive Heat Watch | PAH | 24 hr |
| Jul 17, 3:36 PM CDT | Excessive Heat Warning | PAH | 4 days |
| Jul 17, 5:17 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 17, 6:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 17, 7:28 PM CDT | Special Weather Statement | PAH | 62 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 6, 5:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Aug 8, 3:37 AM CDT | Dense Fog Advisory | PAH | 4 hr |
| Aug 11, 3:05 AM CDT | Heat Advisory | PAH | 41 hr |
| Aug 18, 12:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 18, 1:05 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 18, 3:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Aug 20, 12:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 20, 1:53 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 22, 3:27 AM CDT | Lake Wind Advisory | PAH | 16 hr |
| Sep 27, 1:48 AM CDT | Lake Wind Advisory | PAH | 16 hr |
| Oct 11, 2:28 PM CDT | Frost Advisory | PAH | 18 hr |
| Oct 21, 1:54 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 21, 3:06 AM CDT | Tornado Watch | SPC | 6 hr |
| Oct 21, 5:40 AM CDT | Severe Thunderstorm Warning | PAH | 35 min |
| Oct 26, 8:58 AM CDT | Areal Flood Advisory | PAH | 6 hr |
| Oct 30, 3:14 AM CDT | Freeze Watch | PAH | 24 hr |
| Oct 31, 3:31 AM CDT | Freeze Warning | PAH | 30 hr |
| Nov 11, 3:58 AM CST | Winter Weather Advisory | PAH | 19 hr |
| Nov 19, 9:42 PM CST | Dense Fog Advisory | PAH | 11 hr |
| Nov 26, 3:06 AM CST | Wind Advisory | PAH | 33 hr |
| Nov 30, 9:10 AM CST | Severe Thunderstorm Warning | PAH | 35 min |
| Dec 13, 9:11 PM CST | Dense Fog Advisory | PAH | 12 hr |
| Dec 15, 4:20 AM CST | Winter Weather Advisory | PAH | 51 hr |
| Dec 16, 10:36 AM CST | Mesoscale Discussion | SPC | 4 hr |
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 archive20182020
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.