Alert archive / Illinois / Clark County
Weather alerts in Clark County, Illinois, 2020
87 weather alerts in 2020, 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 2020. Tap one for its archive.
- Alerts
- 87
- Warnings
- 26
- Watches
- 9
- Advisories
- 30
- Busiest month
- July14 alerts
- Busiest day
- August 10, 20205 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 3, 1:12 AM CST | Dense Fog Advisory | ILX | 8 hr |
| Jan 8, 2:58 PM CST | Flood Watch | ILX | 69 hr |
| Jan 9, 1:03 PM CST | River Flood Warning | IND | 21 days |
| Jan 14, 7:53 PM CST | Dense Fog Advisory | ILX | 13 hr |
| Jan 16, 3:10 PM CST | Winter Weather Advisory | ILX | 39 hr |
| Jan 16, 3:21 PM CST | Flood Watch | ILX | 43 hr |
| Feb 4, 3:28 PM CST | Winter Weather Advisory | ILX | 45 hr |
| Feb 10, 9:52 AM CST | River Flood Warning | IND | 4 days |
| Feb 11, 2:40 PM CST | Winter Weather Advisory | ILX | 43 hr |
| Feb 18, 11:51 AM CST | River Flood Warning | IND | 4 days |
| Mar 2, 12:15 PM CST | River Flood Warning | IND | 5 days |
| Mar 5, 5:59 PM CST | Wind Advisory | ILX | 15 hr |
| Mar 12, 6:39 AM CDT | Dense Fog Advisory | ILX | 5 hr |
| Mar 18, 1:49 PM CDT | River Flood Warning | IND | 16 days |
| Mar 25, 1:51 AM CDT | Dense Fog Advisory | ILX | 9 hr |
| Mar 25, 11:02 AM CDT | Dense Fog Advisory | ILX | 58 min |
| Mar 28, 1:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Mar 28, 3:21 PM CDT | Wind Advisory | ILX | 28 hr |
| Mar 28, 3:53 PM CDT | Tornado Watch | SPC | 5 hr |
| Apr 8, 1:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Apr 8, 3:08 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 8, 6:33 PM CDT | Severe Thunderstorm Warning | ILX | 42 min |
| Apr 8, 7:13 PM CDT | Severe Thunderstorm Warning | ILX | 47 min |
| Apr 9, 2:33 PM CDT | Freeze Warning | ILX | 18 hr |
| Apr 10, 3:14 AM CDT | Frost Advisory | ILX | 24 hr |
| Apr 12, 3:39 AM CDT | Wind Advisory | ILX | 35 hr |
| Apr 13, 3:03 PM CDT | Freeze Warning | ILX | 18 hr |
| Apr 14, 3:21 PM CDT | Freeze Warning | ILX | 17 hr |
| Apr 17, 12:41 PM CDT | Frost Advisory | ILX | 20 hr |
| Apr 24, 2:13 AM CDT | Dense Fog Advisory | ILX | 7 hr |
| Apr 28, 9:41 PM CDT | Special Weather Statement | ILX | 49 min |
| Apr 29, 4:31 PM CDT | River Flood Warning | IND | 3 days |
| May 2, 8:27 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 2, 11:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| May 2, 11:24 PM CDT | Severe Thunderstorm Warning | ILX | 51 min |
| May 7, 3:12 AM CDT | Freeze Watch | ILX | 24 hr |
| May 8, 3:01 AM CDT | Freeze Warning | ILX | 29 hr |
| May 17, 1:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 17, 4:18 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 17, 4:54 PM CDT | Special Weather Statement | ILX | 51 min |
| May 18, 10:53 AM CDT | River Flood Warning | IND | 8 days |
| May 23, 11:21 AM CDT | Special Weather Statement | ILX | 39 min |
| May 24, 4:07 PM CDT | Special Weather Statement | ILX | 38 min |
| May 24, 4:59 PM CDT | Special Weather Statement | ILX | 46 min |
| Jun 3, 1:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 4, 1:07 AM CDT | Severe Thunderstorm Warning | ILX | 23 min |
| Jun 4, 1:28 AM CDT | Severe Thunderstorm Warning | ILX | 32 min |
| Jun 9, 2:20 AM CDT | Wind Advisory | ILX | 18 hr |
| Jun 27, 1:21 PM CDT | Special Weather Statement | ILX | 39 min |
| Jul 11, 6:31 PM CDT | Severe Thunderstorm Warning | ILX | 29 min |
| Jul 11, 10:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 15, 5:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jul 15, 6:12 PM CDT | Tornado Watch | SPC | 5 hr |
| Jul 15, 7:04 PM CDT | Severe Thunderstorm Warning | ILX | 56 min |
| Jul 17, 3:39 AM CDT | Heat Advisory | ILX | 40 hr |
| Jul 18, 7:55 PM CDT | Heat Advisory | ILX | 23 hr |
| Jul 19, 5:40 PM CDT | Severe Thunderstorm Warning | ILX | 50 min |
| Jul 19, 8:17 PM CDT | Flash Flood Warning | ILX | 6 hr |
| Jul 21, 11:19 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Jul 21, 5:04 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jul 21, 7:14 PM CDT | Severe Thunderstorm Warning | ILX | 34 min |
| Jul 27, 12:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 27, 12:46 PM CDT | Special Weather Statement | ILX | 59 min |
| Aug 10, 2:58 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 10, 4:55 PM CDT | Severe Thunderstorm Warning | ILX | 50 min |
| Aug 10, 5:16 PM CDT | Severe Thunderstorm Warning | ILX | 44 min |
| Aug 10, 5:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Aug 10, 5:46 PM CDT | Severe Thunderstorm Warning | ILX | 16 min |
| Aug 26, 3:04 AM CDT | Dense Fog Advisory | ILX | 5 hr |
| Sep 1, 4:35 AM CDT | Dense Fog Advisory | ILX | 4 hr |
| Sep 3, 2:58 AM CDT | Dense Fog Advisory | ILX | 6 hr |
| Sep 10, 7:12 AM CDT | Dense Fog Advisory | ILX | 108 min |
| Oct 4, 2:19 AM CDT | Frost Advisory | ILX | 30 hr |
| Oct 11, 6:33 AM CDT | Dense Fog Advisory | ILX | 3 hr |
| Oct 12, 6:35 AM CDT | Dense Fog Advisory | ILX | 2 hr |
| Oct 15, 3:15 AM CDT | Freeze Warning | ILX | 30 hr |
| Oct 16, 3:43 AM CDT | Frost Advisory | ILX | 28 hr |
| Oct 16, 3:52 AM CDT | Fire Weather Watch | ILX | 11 hr |
| Oct 16, 2:29 PM CDT | Red Flag Warning | ILX | 30 hr |
| Oct 22, 12:58 AM CDT | Dense Fog Advisory | ILX | 6 hr |
| Oct 23, 12:28 PM CDT | Special Weather Statement | ILX | 32 min |
| Oct 23, 1:07 PM CDT | Special Weather Statement | ILX | 23 min |
| Nov 1, 9:54 AM CST | Wind Advisory | ILX | 4 hr |
| Nov 10, 5:01 PM CST | Mesoscale Discussion | SPC | 119 min |
| Nov 14, 3:20 AM CST | Wind Advisory | ILX | 38 hr |
| Nov 18, 2:43 PM CST | Wind Advisory | ILX | 27 hr |
| Dec 23, 3:05 AM CST | Wind Advisory | ILX | 24 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 | 12 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 13 |
| Special Weather Statement | 9 |
| Flooding | |
| Flash Flood Warning | 1 |
| River Flood Warning | 7 |
| Flood Watch | 2 |
| Winter | |
| Winter Weather Advisory | 3 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 5 |
| Freeze Watch | 1 |
| Frost Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 8 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 13 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.