Alert archive / Illinois / Union County
Weather alerts in Union County, Illinois, 2021
112 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Union County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 112
- Warnings
- 15
- Watches
- 24
- Advisories
- 32
- Busiest month
- December19 alerts
- Busiest day
- July 10, 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 |
|---|---|---|---|
| Jan 25, 9:24 PM CST | Dense Fog Advisory | PAH | 12 hr |
| Jan 26, 8:48 PM CST | Winter Weather Advisory | PAH | 25 hr |
| Feb 8, 3:54 AM CST | Winter Weather Advisory | PAH | 26 hr |
| Feb 8, 2:47 PM CST | Winter Storm Watch | PAH | 24 hr |
| Feb 9, 3:10 PM CST | Winter Weather Advisory | PAH | 41 hr |
| Feb 10, 11:18 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 12, 2:09 PM CST | Winter Storm Watch | PAH | 37 hr |
| Feb 13, 12:55 PM CST | Wind Chill Advisory | PAH | 23 hr |
| Feb 14, 3:00 AM CST | Winter Storm Warning | PAH | 43 hr |
| Feb 15, 10:44 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 16, 4:35 AM CST | Winter Weather Advisory | PAH | 53 hr |
| Feb 16, 3:20 PM CST | Winter Storm Watch | PAH | 13 hr |
| Feb 26, 1:57 PM CST | Flood Watch | PAH | 58 hr |
| Feb 28, 4:12 AM CST | Areal Flood Advisory | PAH | 5 hr |
| Mar 11, 4:11 AM CST | Flood Watch | PAH | 55 hr |
| Mar 11, 1:26 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Mar 11, 3:09 PM CST | Severe Thunderstorm Warning | PAH | 33 min |
| Mar 17, 2:21 AM CDT | Flash Flood Watch | PAH | 23 hr |
| Mar 18, 12:17 PM CDT | River Flood Warning | PAH | 9 days |
| Mar 25, 2:33 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Mar 25, 3:48 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 27, 7:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Mar 27, 8:19 PM CDT | Severe Thunderstorm Watch | SPC | 114 min |
| Mar 28, 7:49 PM CDT | River Flood Warning | PAH | 5 days |
| Mar 30, 2:26 PM CDT | Freeze Watch | PAH | 22 hr |
| Mar 30, 2:26 PM CDT | Freeze Warning | PAH | 43 hr |
| Mar 31, 12:20 PM CDT | Freeze Warning | PAH | 45 hr |
| Apr 2, 2:15 PM CDT | Frost Advisory | PAH | 19 hr |
| Apr 9, 4:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Apr 11, 1:04 PM CDT | River Flood Warning | PAH | 6 days |
| Apr 19, 4:08 AM CDT | Freeze Watch | PAH | 11 hr |
| Apr 19, 3:25 PM CDT | Freeze Warning | PAH | 42 hr |
| Apr 21, 4:00 AM CDT | Frost Advisory | PAH | 28 hr |
| Apr 25, 2:43 AM CDT | Dense Fog Advisory | PAH | 6 hr |
| Apr 27, 3:11 PM CDT | Flash Flood Watch | PAH | 45 hr |
| Apr 28, 12:33 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Apr 28, 12:40 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 28, 3:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 28, 4:03 PM CDT | Special Weather Statement | PAH | 42 min |
| Apr 29, 3:14 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 4, 1:06 AM CDT | Mesoscale Discussion | SPC | 114 min |
| May 4, 1:41 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 6, 10:05 AM CDT | Mesoscale Discussion | SPC | 85 min |
| May 6, 12:02 PM CDT | Mesoscale Discussion | SPC | 118 min |
| May 6, 12:38 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 6, 5:18 PM CDT | Special Weather Statement | PAH | 42 min |
| May 8, 2:19 PM CDT | Lake Wind Advisory | PAH | 29 hr |
| May 8, 2:19 PM CDT | Wind Advisory | PAH | 22 hr |
| May 20, 10:12 AM CDT | Lake Wind Advisory | PAH | 9 hr |
| May 27, 2:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| May 27, 2:23 PM CDT | Special Weather Statement | PAH | 52 min |
| May 27, 3:38 PM CDT | Mesoscale Discussion | SPC | 67 min |
| May 27, 5:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| May 27, 6:23 PM CDT | Areal Flood Advisory | PAH | 112 min |
| May 28, 2:27 AM CDT | Lake Wind Advisory | PAH | 18 hr |
| Jun 20, 4:09 AM CDT | Lake Wind Advisory | PAH | 16 hr |
| Jun 25, 3:31 AM CDT | Lake Wind Advisory | PAH | 16 hr |
| Jun 25, 12:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 3:21 AM CDT | Lake Wind Advisory | PAH | 17 hr |
| Jun 27, 11:21 AM CDT | River Flood Warning | PAH | 9 days |
| Jun 30, 12:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jul 10, 1:01 AM CDT | Mesoscale Discussion | SPC | 59 min |
| Jul 10, 1:36 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 10, 2:21 AM CDT | Flash Flood Watch | PAH | 25 hr |
| Jul 10, 3:09 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 1:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 2:01 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 10, 10:29 PM CDT | Flash Flood Warning | PAH | 6 hr |
| Jul 12, 1:13 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 28, 1:38 PM CDT | Heat Advisory | PAH | 30 hr |
| Aug 8, 2:41 PM CDT | Heat Advisory | PAH | 23 hr |
| Aug 8, 5:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Aug 9, 1:53 PM CDT | Heat Advisory | PAH | 3 days |
| Aug 10, 2:20 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 12, 7:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 12, 7:37 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 12, 8:34 PM CDT | Special Weather Statement | PAH | 71 min |
| Aug 12, 9:39 PM CDT | Special Weather Statement | PAH | 66 min |
| Aug 12, 9:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Aug 22, 2:38 PM CDT | Heat Advisory | PAH | 6 days |
| Sep 11, 4:03 AM CDT | Lake Wind Advisory | PAH | 14 hr |
| Sep 22, 3:45 AM CDT | Lake Wind Advisory | PAH | 13 hr |
| Sep 27, 4:00 AM CDT | Lake Wind Advisory | PAH | 13 hr |
| Sep 30, 8:49 PM CDT | Special Weather Statement | PAH | 26 min |
| Oct 8, 5:45 AM CDT | Dense Fog Advisory | PAH | 3 hr |
| Oct 11, 1:17 PM CDT | Special Weather Statement | PAH | 43 min |
| Oct 24, 5:44 PM CDT | Tornado Watch | SPC | 7 hr |
| Oct 24, 8:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Oct 24, 10:33 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 24, 11:37 PM CDT | Severe Thunderstorm Warning | PAH | 38 min |
| Nov 2, 3:38 AM CDT | Freeze Watch | PAH | 24 hr |
| Nov 2, 3:20 PM CDT | Frost Advisory | PAH | 18 hr |
| Nov 3, 3:19 AM CDT | Freeze Warning | PAH | 30 hr |
| Dec 2, 2:00 AM CST | Dense Fog Advisory | PAH | 4 hr |
| Dec 5, 8:06 PM CST | Mesoscale Discussion | SPC | 114 min |
| Dec 5, 8:59 PM CST | Tornado Watch | SPC | 7 hr |
| Dec 5, 10:41 PM CST | Special Weather Statement | PAH | 49 min |
| Dec 5, 10:50 PM CST | Severe Thunderstorm Warning | PAH | 40 min |
| Dec 5, 11:28 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 10, 1:35 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 10, 3:07 PM CST | Tornado Watch | SPC | 11 hr |
| Dec 10, 4:45 PM CST | Mesoscale Discussion | SPC | 90 min |
| Dec 10, 9:21 PM CST | Severe Thunderstorm Warning | PAH | 39 min |
| Dec 10, 11:03 PM CST | Tornado Watch | SPC | 5 hr |
| Dec 10, 11:28 PM CST | Mesoscale Discussion | SPC | 92 min |
| Dec 10, 11:33 PM CST | Severe Thunderstorm Warning | PAH | 42 min |
| Dec 15, 3:30 AM CST | Wind Advisory | PAH | 24 hr |
| Dec 17, 3:08 PM CST | Flood Watch | PAH | 12 hr |
| Dec 18, 1:08 AM CST | Special Weather Statement | PAH | 37 min |
| Dec 25, 11:55 PM CST | Dense Fog Advisory | PAH | 10 hr |
| Dec 29, 7:31 AM CST | Dense Fog Advisory | PAH | 2 hr |
| Dec 29, 10:01 PM CST | Dense Fog Advisory | PAH | 11 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 | 5 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 32 |
| Special Weather Statement | 9 |
| Flooding | |
| Flash Flood Warning | 1 |
| River Flood Warning | 4 |
| Flash Flood Watch | 3 |
| Flood Watch | 3 |
| Areal Flood Advisory | 2 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 4 |
| Heat | |
| Heat Advisory | 4 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 3 |
| Frost Advisory | 3 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Lake Wind Advisory | 9 |
| Wind Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
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.