Alert archive / Illinois / Monroe County
Weather alerts in Monroe County, Illinois, 2020
88 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Monroe County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 88
- Warnings
- 20
- Watches
- 20
- Advisories
- 30
- Busiest month
- July15 alerts
- Busiest day
- July 15, 20207 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, 4:15 AM CST | Dense Fog Advisory | LSX | 5 hr |
| Jan 8, 2:31 PM CST | Flash Flood Watch | LSX | 61 hr |
| Jan 10, 3:58 AM CST | Winter Weather Advisory | LSX | 41 hr |
| Jan 11, 2:28 AM CST | Areal Flood Advisory | LSX | 11 hr |
| Jan 11, 12:29 PM CST | Areal Flood Warning | LSX | 23 hr |
| Jan 11, 1:43 PM CST | Areal Flood Warning | LSX | 22 hr |
| Jan 16, 2:57 PM CST | Flood Watch | LSX | 39 hr |
| Jan 16, 2:57 PM CST | Winter Weather Advisory | LSX | 33 hr |
| Jan 17, 9:45 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 21, 3:15 PM CST | Winter Weather Advisory | LSX | 3 days |
| Jan 26, 3:09 PM CST | Dense Fog Advisory | LSX | 21 hr |
| Jan 28, 3:26 AM CST | Winter Weather Advisory | LSX | 34 hr |
| Feb 4, 3:33 AM CST | Winter Storm Watch | LSX | 11 hr |
| Feb 4, 2:46 PM CST | Winter Storm Warning | LSX | 24 hr |
| Feb 4, 2:46 PM CST | Winter Weather Advisory | LSX | 45 hr |
| Feb 24, 3:29 PM CST | Winter Weather Advisory | LSX | 44 hr |
| Mar 2, 7:00 PM CST | Severe Thunderstorm Warning | LSX | 23 min |
| Mar 12, 6:05 AM CDT | Dense Fog Advisory | LSX | 4 hr |
| Mar 12, 9:21 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Mar 12, 10:04 AM CDT | Dense Fog Advisory | LSX | 116 min |
| Mar 19, 3:43 AM CDT | Flash Flood Watch | LSX | 21 hr |
| Mar 26, 9:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Mar 26, 10:27 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 27, 1:20 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Mar 27, 5:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Mar 28, 1:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| 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 12, 3:15 AM CDT | Wind Advisory | LSX | 31 hr |
| Apr 17, 11:46 AM CDT | Frost Advisory | LSX | 20 hr |
| Apr 24, 3:06 AM CDT | Dense Fog Advisory | LSX | 6 hr |
| Apr 28, 3:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Apr 28, 3:51 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 28, 6:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Apr 28, 9:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| May 8, 3:32 AM CDT | Frost Advisory | LSX | 28 hr |
| May 10, 2:43 PM CDT | Frost Advisory | LSX | 17 hr |
| May 15, 1:06 AM CDT | Mesoscale Discussion | SPC | 114 min |
| May 16, 8:58 PM CDT | Flash Flood Watch | LSX | 21 hr |
| Jun 3, 1:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 3, 3:52 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 29, 3:09 AM CDT | Flash Flood Watch | LSX | 58 hr |
| Jun 30, 2:33 AM CDT | Areal Flood Advisory | LSX | 3 hr |
| Jun 30, 4:21 AM CDT | Flash Flood Warning | LSX | 6 hr |
| Jul 2, 5:57 AM CDT | Dense Fog Advisory | LSX | 3 hr |
| Jul 8, 3:27 AM CDT | Heat Advisory | LSX | 40 hr |
| Jul 8, 4:17 PM CDT | Severe Thunderstorm Warning | LSX | 28 min |
| Jul 15, 1:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 15, 2:10 PM CDT | Tornado Watch | SPC | 7 hr |
| Jul 15, 4:20 PM CDT | Severe Thunderstorm Warning | LSX | 40 min |
| Jul 15, 4:58 PM CDT | Severe Thunderstorm Warning | LSX | 47 min |
| Jul 15, 5:13 PM CDT | Tornado Warning | LSX | 25 min |
| Jul 15, 5:35 PM CDT | Severe Thunderstorm Warning | LSX | 40 min |
| Jul 15, 5:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jul 17, 1:59 AM CDT | Heat Advisory | LSX | 65 hr |
| Jul 19, 4:35 PM CDT | Flash Flood Watch | LSX | 8 hr |
| Jul 24, 11:43 AM CDT | Heat Advisory | LSX | 56 hr |
| Jul 29, 2:35 PM CDT | Flash Flood Watch | LSX | 33 hr |
| Jul 31, 3:25 AM CDT | Flash Flood Watch | LSX | 21 hr |
| Aug 8, 2:18 PM CDT | Flash Flood Watch | LSX | 20 hr |
| Aug 9, 2:41 AM CDT | Flash Flood Warning | LSX | 6 hr |
| Aug 9, 1:54 PM CDT | Heat Advisory | LSX | 29 hr |
| Aug 10, 2:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 2:58 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 10, 5:16 PM CDT | Severe Thunderstorm Warning | LSX | 59 min |
| Aug 10, 5:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Aug 10, 5:59 PM CDT | Severe Thunderstorm Warning | LSX | 61 min |
| Aug 10, 6:24 PM CDT | Areal Flood Advisory | LSX | 3 hr |
| Aug 12, 11:18 AM CDT | Flash Flood Warning | LSX | 3 hr |
| Aug 13, 9:49 AM CDT | Flash Flood Watch | LSX | 9 hr |
| Aug 13, 12:17 PM CDT | Flash Flood Warning | LSX | 6 hr |
| Aug 15, 2:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 15, 9:15 PM CDT | Areal Flood Advisory | LSX | 3 hr |
| Aug 15, 9:19 PM CDT | Flash Flood Warning | LSX | 3 hr |
| Sep 3, 3:15 AM CDT | Dense Fog Advisory | LSX | 6 hr |
| Oct 4, 3:08 AM CDT | Frost Advisory | LSX | 29 hr |
| Oct 13, 2:42 PM CDT | Fire Weather Watch | LSX | 13 hr |
| Oct 14, 4:01 AM CDT | Red Flag Warning | LSX | 14 hr |
| Oct 15, 3:35 AM CDT | Frost Advisory | LSX | 29 hr |
| Oct 15, 2:08 PM CDT | Freeze Warning | LSX | 19 hr |
| Oct 16, 4:45 AM CDT | Fire Weather Watch | LSX | 10 hr |
| Oct 16, 2:34 PM CDT | Red Flag Warning | LSX | 27 hr |
| Nov 10, 5:01 PM CST | Mesoscale Discussion | SPC | 119 min |
| Nov 14, 3:12 AM CST | Wind Advisory | LSX | 36 hr |
| Nov 18, 2:35 PM CST | Wind Advisory | LSX | 27 hr |
| Nov 19, 3:25 AM CST | Red Flag Warning | LSX | 14 hr |
| Dec 23, 3:15 AM CST | Wind Advisory | LSX | 21 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 | 7 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 18 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 5 |
| Flash Flood Watch | 9 |
| Flood Watch | 1 |
| Areal Flood Advisory | 4 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 6 |
| Heat | |
| Heat Advisory | 4 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 5 |
| Wind and dust | |
| Wind Advisory | 4 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 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 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.