Alert archive / Illinois / Iroquois County
Weather alerts in Iroquois County, Illinois, 2021
137 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Iroquois County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 137
- Warnings
- 31
- Watches
- 17
- Advisories
- 44
- Busiest month
- June40 alerts
- Busiest day
- June 26, 202116 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 1, 6:35 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 3, 3:37 PM CST | Dense Fog Advisory | LOT | 29 hr |
| Jan 5, 3:18 PM CST | Dense Fog Advisory | LOT | 19 hr |
| Jan 24, 2:55 PM CST | Winter Weather Advisory | LOT | 48 hr |
| Jan 29, 3:23 AM CST | Winter Storm Watch | LOT | 24 hr |
| Jan 29, 2:38 PM CST | Winter Storm Warning | LOT | 51 hr |
| Feb 4, 7:36 PM CST | Wind Advisory | LOT | 4 hr |
| Feb 5, 2:24 PM CST | Winter Weather Advisory | LOT | 31 hr |
| Feb 6, 3:34 AM CST | Wind Chill Advisory | LOT | 32 hr |
| Feb 13, 3:33 AM CST | Wind Chill Advisory | LOT | 56 hr |
| Feb 14, 3:59 AM CST | Winter Weather Advisory | LOT | 10 hr |
| Feb 14, 2:19 PM CST | Winter Storm Warning | LOT | 49 hr |
| Feb 15, 2:52 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 27, 5:30 AM CST | Dense Fog Advisory | LOT | 6 hr |
| Mar 10, 3:25 AM CST | Wind Advisory | LOT | 23 hr |
| Mar 15, 2:58 AM CDT | Winter Weather Advisory | LOT | 16 hr |
| Mar 17, 2:35 PM CDT | Wind Advisory | LOT | 28 hr |
| Mar 18, 7:26 PM CDT | River Flood Advisory | LOT | 45 hr |
| Mar 25, 3:29 AM CDT | Wind Advisory | LOT | 23 hr |
| Mar 28, 6:39 AM CDT | River Flood Advisory | LOT | 33 hr |
| Apr 19, 3:45 AM CDT | Freeze Watch | LOT | 11 hr |
| Apr 19, 2:58 PM CDT | Freeze Warning | LOT | 42 hr |
| Apr 21, 3:22 AM CDT | Freeze Warning | LOT | 29 hr |
| May 3, 9:02 PM CDT | Severe Thunderstorm Warning | LOT | 43 min |
| May 6, 12:39 PM CDT | Special Weather Statement | LOT | 96 min |
| May 6, 1:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 7, 2:07 PM CDT | Frost Advisory | LOT | 18 hr |
| May 9, 10:41 AM CDT | River Flood Warning | LOT | 54 hr |
| May 9, 2:18 PM CDT | Frost Advisory | LOT | 18 hr |
| May 10, 8:30 AM CDT | River Flood Advisory | LOT | 23 hr |
| May 11, 2:11 PM CDT | Frost Advisory | LOT | 17 hr |
| Jun 12, 1:26 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 12, 5:04 PM CDT | Special Weather Statement | LOT | 71 min |
| Jun 12, 5:11 PM CDT | Severe Thunderstorm Warning | LOT | 64 min |
| Jun 12, 5:30 PM CDT | Severe Thunderstorm Warning | LOT | 45 min |
| Jun 18, 12:17 PM CDT | Special Weather Statement | LOT | 73 min |
| Jun 19, 2:34 AM CDT | Special Weather Statement | LOT | 56 min |
| Jun 20, 10:57 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 20, 3:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 20, 9:40 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 24, 11:43 AM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jun 24, 2:19 PM CDT | Flash Flood Watch | LOT | 54 hr |
| Jun 25, 5:06 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 25, 7:05 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Jun 25, 8:01 PM CDT | Tornado Warning | LOT | 31 min |
| Jun 25, 8:11 PM CDT | Tornado Warning | LOT | 22 min |
| Jun 25, 8:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 25, 8:37 PM CDT | Areal Flood Advisory | LOT | 5 hr |
| Jun 25, 10:31 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 26, 11:45 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 12:05 PM CDT | Tornado Watch | SPC | 9 hr |
| Jun 26, 2:43 PM CDT | Areal Flood Advisory | LOT | 6 hr |
| Jun 26, 2:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 26, 3:57 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Jun 26, 4:13 PM CDT | Severe Thunderstorm Warning | LOT | 47 min |
| Jun 26, 4:49 PM CDT | Severe Thunderstorm Warning | LOT | 56 min |
| Jun 26, 5:44 PM CDT | Severe Thunderstorm Warning | LOT | 76 min |
| Jun 26, 5:54 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jun 26, 6:08 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jun 26, 8:55 PM CDT | River Flood Warning | LOT | 4 days |
| Jun 26, 9:38 PM CDT | Areal Flood Advisory | LOT | 9 hr |
| Jun 27, 11:36 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 27, 11:45 AM CDT | River Flood Advisory | LOT | 34 hr |
| Jun 28, 3:01 AM CDT | Flash Flood Watch | LOT | 40 hr |
| Jun 28, 12:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 28, 9:50 PM CDT | River Flood Warning | LOT | 6 days |
| Jun 29, 11:36 AM CDT | Special Weather Statement | LOT | 39 min |
| Jun 29, 11:54 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 29, 3:26 PM CDT | Severe Thunderstorm Warning | LOT | 49 min |
| Jun 30, 10:40 AM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jun 30, 12:31 PM CDT | Areal Flood Advisory | LOT | 119 min |
| Jul 7, 2:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 12, 1:13 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 12, 2:11 PM CDT | Severe Thunderstorm Warning | LOT | 49 min |
| Jul 12, 2:39 PM CDT | Tornado Warning | LOT | 36 min |
| Jul 15, 1:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 16, 7:51 AM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jul 24, 3:32 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 24, 5:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 24, 7:22 PM CDT | Severe Thunderstorm Warning | LOT | 53 min |
| Jul 24, 7:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 24, 8:06 PM CDT | Special Weather Statement | LOT | 24 min |
| Jul 24, 8:10 PM CDT | Severe Thunderstorm Warning | LOT | 65 min |
| Jul 24, 8:47 PM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jul 24, 8:51 PM CDT | Tornado Warning | LOT | 24 min |
| Jul 29, 1:00 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 29, 3:18 AM CDT | Mesoscale Discussion | SPC | 87 min |
| Aug 6, 3:23 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Aug 9, 2:46 PM CDT | Heat Advisory | LOT | 28 hr |
| Aug 10, 3:07 PM CDT | Heat Advisory | LOT | 28 hr |
| Aug 11, 1:20 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 11, 8:34 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Aug 11, 10:24 AM CDT | Special Weather Statement | LOT | 66 min |
| Aug 11, 8:22 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 12, 2:13 AM CDT | Severe Thunderstorm Warning | LOT | 47 min |
| Aug 12, 3:16 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Aug 12, 3:51 AM CDT | Special Weather Statement | LOT | 39 min |
| Aug 12, 8:22 AM CDT | Severe Thunderstorm Warning | LOT | 68 min |
| Aug 12, 1:09 PM CDT | Special Weather Statement | LOT | 51 min |
| Aug 24, 3:19 AM CDT | Heat Advisory | LOT | 17 hr |
| Aug 24, 4:33 PM CDT | Heat Advisory | LOT | 26 hr |
| Aug 25, 4:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Aug 29, 1:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Sep 7, 1:12 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 7, 3:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Sep 7, 4:06 PM CDT | Severe Thunderstorm Warning | LOT | 54 min |
| Sep 7, 4:59 PM CDT | Severe Thunderstorm Warning | LOT | 61 min |
| Sep 7, 6:53 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Sep 7, 7:04 PM CDT | Severe Thunderstorm Warning | LOT | 56 min |
| Sep 14, 3:18 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Oct 3, 3:28 PM CDT | Tornado Warning | LOT | 17 min |
| Oct 8, 9:45 PM CDT | Dense Fog Advisory | LOT | 6 hr |
| Oct 11, 3:10 PM CDT | Tornado Watch | SPC | 6 hr |
| Oct 11, 6:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Oct 23, 12:46 PM CDT | Flash Flood Watch | LOT | 38 hr |
| Oct 23, 9:57 PM CDT | River Flood Watch | LOT | 38 hr |
| Oct 24, 3:10 AM CDT | Wind Advisory | LOT | 36 hr |
| Oct 24, 5:11 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 24, 6:43 PM CDT | Special Weather Statement | LOT | 77 min |
| Oct 24, 8:32 PM CDT | Special Weather Statement | LOT | 73 min |
| Oct 24, 8:56 PM CDT | River Flood Watch | LOT | 15 hr |
| Oct 24, 8:56 PM CDT | River Flood Watch | LOT | 36 hr |
| Oct 24, 9:48 PM CDT | Special Weather Statement | LOT | 57 min |
| Oct 24, 9:53 PM CDT | Areal Flood Advisory | LOT | 6 hr |
| Oct 25, 11:36 AM CDT | River Flood Warning | LOT | 64 hr |
| Oct 30, 9:02 PM CDT | River Flood Advisory | LOT | 18 hr |
| Nov 10, 2:28 AM CST | Dense Fog Advisory | LOT | 7 hr |
| Dec 4, 6:13 AM CST | Dense Fog Advisory | LOT | 3 hr |
| Dec 10, 12:27 AM CST | Dense Fog Advisory | LOT | 12 hr |
| Dec 10, 2:56 AM CST | Wind Advisory | LOT | 36 hr |
| Dec 10, 7:18 PM CST | Mesoscale Discussion | SPC | 87 min |
| Dec 10, 7:47 PM CST | Tornado Watch | SPC | 8 hr |
| Dec 10, 9:27 PM CST | Severe Thunderstorm Warning | LOT | 48 min |
| Dec 10, 9:55 PM CST | Special Weather Statement | LOT | 65 min |
| Dec 14, 2:25 PM CST | Wind Advisory | LOT | 30 hr |
| Dec 15, 3:09 AM CST | High Wind Warning | LOT | 30 hr |
| Dec 27, 8:11 AM CST | Dense Fog Advisory | LOT | 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 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.