Alert archive / Illinois / Clark County
Weather alerts in Clark County, Illinois, 2026
163 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Clark County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 163
- Warnings
- 66
- Watches
- 26
- Advisories
- 30
- Busiest month
- June50 alerts
- Busiest day
- February 19, 202610 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 7, 2:35 AM CST | Dense Fog Advisory | ILX | 9 hr |
| Jan 8, 7:50 PM CST | Mesoscale Discussion | SPC | 55 min |
| Jan 8, 11:32 PM CST | Special Weather Statement | ILX | 43 min |
| Jan 18, 2:07 AM CST | Cold Weather Advisory | ILX | 34 hr |
| Jan 21, 1:39 PM CST | Winter Storm Watch | ILX | 37 hr |
| Jan 22, 2:19 AM CST | Cold Weather Advisory | ILX | 58 hr |
| Jan 23, 2:17 AM CST | Winter Storm Warning | ILX | 64 hr |
| Jan 24, 1:47 PM CST | Cold Weather Advisory | ILX | 46 hr |
| Jan 25, 1:52 AM CST | Extreme Cold Warning | ILX | 34 hr |
| Jan 26, 1:41 AM CST | Cold Weather Advisory | ILX | 27 hr |
| Jan 27, 2:12 AM CST | Cold Weather Advisory | ILX | 32 hr |
| Feb 15, 6:48 PM CST | Dense Fog Advisory | ILX | 15 hr |
| Feb 17, 1:40 PM CST | Wind Advisory | ILX | 11 hr |
| Feb 19, 11:34 AM CST | Mesoscale Discussion | SPC | 116 min |
| Feb 19, 12:20 PM CST | Tornado Watch | SPC | 10 hr |
| Feb 19, 2:56 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 19, 3:48 PM CST | Severe Thunderstorm Warning | ILX | 29 min |
| Feb 19, 3:49 PM CST | Tornado Warning | ILX | 26 min |
| Feb 19, 3:59 PM CST | Tornado Warning | ILX | 31 min |
| Feb 19, 4:04 PM CST | Severe Thunderstorm Warning | ILX | 41 min |
| Feb 19, 4:10 PM CST | Tornado Warning | ILX | 50 min |
| Feb 19, 4:22 PM CST | Tornado Warning | ILX | 23 min |
| Feb 19, 4:43 PM CST | Tornado Warning | ILX | 17 min |
| Feb 19, 6:03 PM CST | Mesoscale Discussion | SPC | 87 min |
| Feb 19, 7:12 PM CST | Severe Thunderstorm Warning | ILX | 48 min |
| Mar 4, 2:10 PM CST | Flood Watch | ILX | 19 hr |
| Mar 4, 7:09 PM CST | Dense Fog Advisory | ILX | 14 hr |
| Mar 5, 9:28 PM CST | Dense Fog Advisory | ILX | 12 hr |
| Mar 7, 2:44 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 7, 3:34 AM CST | Special Weather Statement | ILX | 56 min |
| Mar 11, 4:23 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 11, 5:22 AM CDT | Tornado Watch | SPC | 6 hr |
| Mar 11, 5:33 AM CDT | Severe Thunderstorm Warning | ILX | 57 min |
| Mar 11, 6:11 AM CDT | Severe Thunderstorm Warning | ILX | 49 min |
| Mar 11, 6:24 AM CDT | Severe Thunderstorm Warning | ILX | 36 min |
| Mar 12, 2:22 AM CDT | Wind Advisory | ILX | 38 hr |
| Mar 14, 11:32 AM CDT | Wind Advisory | ILX | 48 hr |
| Mar 15, 3:43 PM CDT | Tornado Watch | SPC | 5 hr |
| Mar 15, 5:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Mar 15, 7:51 PM CDT | Severe Thunderstorm Warning | ILX | 54 min |
| Mar 15, 7:52 PM CDT | Tornado Warning | ILX | 38 min |
| Mar 22, 3:50 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 22, 5:17 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 22, 7:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Mar 22, 7:30 PM CDT | Severe Thunderstorm Warning | ILX | 30 min |
| Mar 22, 7:39 PM CDT | Severe Thunderstorm Warning | ILX | 24 min |
| Mar 22, 7:41 PM CDT | Severe Thunderstorm Warning | ILX | 19 min |
| Mar 22, 7:55 PM CDT | Severe Thunderstorm Warning | ILX | 35 min |
| Mar 26, 2:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Mar 26, 4:15 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Mar 26, 5:19 PM CDT | Blowing Dust Advisory | ILX | 4 hr |
| Mar 26, 9:48 PM CDT | Severe Thunderstorm Warning | ILX | 42 min |
| Mar 26, 10:27 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Apr 1, 12:18 PM CDT | Wind Advisory | ILX | 31 hr |
| Apr 2, 11:13 AM CDT | River Flood Warning | IND | 9 days |
| Apr 2, 5:11 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Apr 12, 3:34 PM CDT | Blowing Dust Advisory | ILX | 3 hr |
| Apr 14, 1:55 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 17, 3:31 PM CDT | Tornado Watch | SPC | 8 hr |
| Apr 17, 8:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 18, 1:48 PM CDT | Frost Advisory | ILX | 18 hr |
| Apr 19, 1:28 AM CDT | Frost Advisory | ILX | 31 hr |
| Apr 27, 8:31 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 27, 10:31 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Apr 27, 11:42 AM CDT | Flood Watch | ILX | 11 hr |
| Apr 27, 11:43 AM CDT | Severe Thunderstorm Warning | ILX | 62 min |
| Apr 27, 12:44 PM CDT | Severe Thunderstorm Warning | ILX | 61 min |
| Apr 27, 12:51 PM CDT | Tornado Watch | SPC | 4 hr |
| Apr 27, 4:41 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 27, 8:05 PM CDT | Severe Thunderstorm Warning | ILX | 40 min |
| Apr 27, 8:08 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Apr 27, 8:18 PM CDT | Tornado Warning | ILX | 42 min |
| Apr 27, 8:31 PM CDT | Severe Thunderstorm Warning | ILX | 59 min |
| Apr 27, 8:57 PM CDT | Tornado Warning | ILX | 19 min |
| Apr 28, 10:33 AM CDT | River Flood Warning | IND | 4 days |
| May 4, 6:29 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 4, 9:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| May 9, 2:03 AM CDT | Dense Fog Advisory | ILX | 6 hr |
| May 16, 3:46 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 18, 10:02 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 18, 11:24 AM CDT | Flood Watch | ILX | 11 hr |
| May 19, 12:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| May 28, 2:15 AM CDT | Dense Fog Advisory | ILX | 6 hr |
| Jun 8, 1:37 AM CDT | Flood Watch | ILX | 23 hr |
| Jun 8, 1:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 9, 6:25 PM CDT | Severe Thunderstorm Warning | ILX | 20 min |
| Jun 9, 6:37 PM CDT | Severe Thunderstorm Warning | ILX | 21 min |
| Jun 9, 7:05 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 10, 12:21 PM CDT | River Flood Warning | IND | 5 days |
| Jun 10, 8:24 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 11, 12:00 AM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 11, 8:25 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Jun 11, 8:38 PM CDT | Severe Thunderstorm Warning | ILX | 55 min |
| Jun 11, 8:47 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 11, 9:24 PM CDT | Severe Thunderstorm Warning | ILX | 66 min |
| Jun 11, 10:11 PM CDT | Severe Thunderstorm Warning | ILX | 46 min |
| Jun 16, 12:28 PM CDT | Wind Advisory | ILX | 30 hr |
| Jun 16, 3:07 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 16, 6:12 PM CDT | Severe Thunderstorm Warning | ILX | 63 min |
| Jun 17, 7:49 AM CDT | Tornado Watch | SPC | 6 hr |
| Jun 17, 8:16 AM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 17, 10:43 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 17, 2:14 PM CDT | Tornado Watch | SPC | 11 hr |
| Jun 17, 4:00 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jun 17, 6:09 PM CDT | Tornado Warning | ILX | 53 min |
| Jun 17, 6:40 PM CDT | Flash Flood Warning | ILX | 3 hr |
| Jun 17, 6:50 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 17, 7:07 PM CDT | Tornado Warning | ILX | 53 min |
| Jun 17, 7:45 PM CDT | Severe Thunderstorm Warning | ILX | 45 min |
| Jun 17, 7:49 PM CDT | Severe Thunderstorm Warning | ILX | 56 min |
| Jun 17, 8:14 PM CDT | Tornado Warning | ILX | 12 min |
| Jun 17, 8:38 PM CDT | Tornado Warning | ILX | 52 min |
| Jun 17, 9:12 PM CDT | Severe Thunderstorm Warning | ILX | 48 min |
| Jun 17, 10:35 PM CDT | Severe Thunderstorm Warning | ILX | 28 min |
| Jun 17, 11:58 PM CDT | River Flood Warning | IND | 5 days |
| Jun 20, 1:45 AM CDT | Flood Watch | ILX | 45 hr |
| Jun 21, 1:28 PM CDT | Tornado Watch | SPC | 9 hr |
| Jun 21, 2:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 21, 3:59 PM CDT | Tornado Warning | ILX | 46 min |
| Jun 21, 4:23 PM CDT | Tornado Warning | ILX | 43 min |
| Jun 21, 4:23 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 21, 4:30 PM CDT | Severe Thunderstorm Warning | ILX | 60 min |
| Jun 21, 4:32 PM CDT | Severe Thunderstorm Warning | ILX | 58 min |
| Jun 21, 4:37 PM CDT | Flash Flood Warning | ILX | 3 hr |
| Jun 21, 4:55 PM CDT | Flash Flood Warning | ILX | 3 hr |
| Jun 21, 6:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 24, 11:58 AM CDT | Flood Watch | ILX | 63 hr |
| Jun 25, 3:43 AM CDT | Special Weather Statement | ILX | 17 min |
| Jun 27, 3:19 PM CDT | Flash Flood Warning | ILX | 4 hr |
| Jun 27, 3:52 PM CDT | Flash Flood Warning | ILX | 4 hr |
| Jun 28, 2:13 AM CDT | Heat Advisory | ILX | 46 hr |
| Jun 28, 2:34 AM CDT | Dense Fog Advisory | ILX | 6 hr |
| Jun 30, 12:23 AM CDT | Extreme Heat Warning | ILX | 4 days |
| Jul 2, 11:44 PM CDT | Heat Advisory | ILX | 43 hr |
| Jul 4, 6:40 PM CDT | Special Weather Statement | ILX | 35 min |
| Jul 4, 7:20 PM CDT | Areal Flood Advisory | ILX | 2 hr |
| Jul 11, 1:08 AM CDT | Flash Flood Warning | ILX | 3 hr |
| Jul 26, 12:23 AM CDT | Extreme Heat Warning | ILX | 45 hr |
| Jul 27, 2:02 AM CDT | Heat Advisory | ILX | 9 hr |
| Jul 27, 1:08 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 27, 1:39 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 27, 6:13 PM CDT | Severe Thunderstorm Warning | ILX | 62 min |
| Jul 27, 6:42 PM CDT | Severe Thunderstorm Warning | ILX | 48 min |
| Jul 27, 6:59 PM CDT | Flash Flood Warning | ILX | 3 hr |
| Jul 27, 7:03 PM CDT | Severe Thunderstorm Warning | ILX | 57 min |
| Jul 27, 7:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Aug 7, 2:48 AM CDT | Dense Fog Advisory | ILX | 5 hr |
| Aug 9, 2:03 AM CDT | Heat Advisory | ILX | 41 hr |
| Aug 10, 2:34 PM CDT | Heat Advisory | ILX | 29 hr |
| Aug 11, 4:22 PM CDT | Severe Thunderstorm Warning | ILX | 38 min |
| Aug 11, 5:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 5:30 PM CDT | Severe Thunderstorm Warning | ILX | 45 min |
| Aug 12, 12:12 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Aug 13, 12:32 AM CDT | Heat Advisory | ILX | 4 days |
| Aug 13, 2:02 AM CDT | Flood Watch | ILX | 36 hr |
| Aug 13, 11:22 AM CDT | River Flood Warning | IND | 14 days |
| Aug 13, 11:03 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Aug 14, 8:14 AM CDT | Flash Flood Warning | ILX | 3 hr |
| Aug 16, 3:25 PM CDT | Severe Thunderstorm Warning | ILX | 50 min |
| Aug 30, 12:23 PM CDT | Heat Advisory | ILX | 71 hr |
| Sep 2, 11:14 AM CDT | Extreme Heat Warning | ILX | 3 days |
| Sep 5, 3:01 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Sep 20, 6:38 PM CDT | Mesoscale Discussion | SPC | 2 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 | 34 |
| Tornado Warning | 14 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 9 |
| Mesoscale Discussion | 37 |
| Special Weather Statement | 4 |
| Flooding | |
| Flash Flood Warning | 8 |
| River Flood Warning | 5 |
| Flood Watch | 7 |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Heat | |
| Extreme Heat Warning | 3 |
| Heat Advisory | 7 |
| Cold | |
| Extreme Cold Warning | 1 |
| Cold Weather Advisory | 5 |
| Frost Advisory | 2 |
| Wind and dust | |
| Blowing Dust Advisory | 2 |
| Wind Advisory | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
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.