Alert archive / Illinois / Mercer County
Weather alerts in Mercer County, Illinois, 2018
157 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Mercer County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 157
- Warnings
- 25
- Watches
- 21
- Advisories
- 47
- Busiest month
- June28 alerts
- Busiest day
- June 21, 201811 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 2, 2:50 PM CST | Wind Chill Advisory | DVN | 43 hr |
| Jan 2, 11:20 PM CST | Special Weather Statement | DVN | 115 min |
| Jan 3, 1:25 AM CST | Special Weather Statement | DVN | 2 hr |
| Jan 4, 3:09 PM CST | Wind Chill Advisory | DVN | 19 hr |
| Jan 6, 2:45 AM CST | Winter Weather Advisory | DVN | 45 hr |
| Jan 6, 2:50 AM CST | Wind Chill Advisory | DVN | 6 hr |
| Jan 7, 1:49 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 7, 2:00 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 8, 10:03 PM CST | Dense Fog Advisory | DVN | 12 hr |
| Jan 11, 3:07 AM CST | Winter Weather Advisory | DVN | 17 hr |
| Jan 11, 9:36 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 11, 10:36 AM CST | Special Weather Statement | DVN | 114 min |
| Jan 11, 12:00 PM CST | Special Weather Statement | DVN | 2 hr |
| Jan 14, 2:45 PM CST | Wind Chill Advisory | DVN | 44 hr |
| Jan 14, 2:45 PM CST | Winter Weather Advisory | DVN | 21 hr |
| Jan 14, 4:36 PM CST | Special Weather Statement | DVN | 84 min |
| Feb 4, 1:53 PM CST | Winter Weather Advisory | DVN | 32 hr |
| Feb 5, 11:36 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 5, 4:57 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 8, 2:59 AM CST | Winter Weather Advisory | DVN | 39 hr |
| Feb 9, 3:09 PM CST | Winter Weather Advisory | DVN | 18 hr |
| Feb 9, 6:26 PM CST | Winter Weather Advisory | DVN | 3 hr |
| Feb 10, 3:14 PM CST | Winter Weather Advisory | DVN | 18 hr |
| Feb 14, 5:42 PM CST | Dense Fog Advisory | DVN | 20 hr |
| Feb 18, 2:28 AM CST | Dense Fog Advisory | DVN | 8 hr |
| Feb 20, 9:37 AM CST | Flood Watch | DVN | 6 hr |
| Feb 20, 3:42 PM CST | Winter Weather Advisory | DVN | 11 hr |
| Feb 23, 3:13 PM CST | Winter Weather Advisory | DVN | 20 hr |
| Feb 24, 9:06 AM CST | Winter Weather Advisory | DVN | 114 min |
| Mar 5, 1:48 AM CST | Special Weather Statement | DVN | 87 min |
| Mar 5, 3:16 AM CST | Special Weather Statement | DVN | 89 min |
| Mar 5, 4:16 AM CST | Special Weather Statement | DVN | 89 min |
| Mar 5, 5:48 AM CST | Special Weather Statement | DVN | 87 min |
| Mar 16, 3:10 AM CDT | Winter Weather Advisory | DVN | 32 hr |
| Mar 16, 8:29 PM CDT | Special Weather Statement | DVN | 91 min |
| Mar 16, 9:33 PM CDT | Special Weather Statement | DVN | 57 min |
| Mar 18, 2:25 AM CDT | Dense Fog Advisory | DVN | 9 hr |
| Mar 23, 3:30 AM CDT | Winter Weather Advisory | DVN | 40 hr |
| Mar 23, 9:27 PM CDT | Winter Storm Warning | DVN | 22 hr |
| Mar 24, 6:53 PM CDT | Special Weather Statement | DVN | 67 min |
| Mar 31, 6:13 AM CDT | Wind Advisory | DVN | 10 hr |
| Apr 7, 3:08 PM CDT | Winter Weather Advisory | DVN | 43 hr |
| Apr 9, 10:03 AM CDT | Winter Weather Advisory | DVN | 94 min |
| Apr 27, 2:50 PM CDT | Red Flag Warning | DVN | 5 hr |
| Apr 30, 11:08 AM CDT | River Flood Watch | DVN | 35 hr |
| Apr 30, 11:08 AM CDT | River Flood Watch | DVN | 35 hr |
| Apr 30, 11:08 AM CDT | River Flood Watch | DVN | 35 hr |
| May 1, 10:01 PM CDT | River Flood Warning | DVN | 19 days |
| May 1, 10:01 PM CDT | River Flood Warning | DVN | 21 days |
| May 1, 10:01 PM CDT | River Flood Warning | DVN | 21 days |
| May 2, 1:33 PM CDT | Mesoscale Discussion | SPC | 117 min |
| May 2, 3:56 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 2, 7:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| May 2, 10:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| May 9, 2:26 AM CDT | Special Weather Statement | DVN | 49 min |
| May 11, 10:42 AM CDT | Special Weather Statement | DVN | 33 min |
| May 12, 4:27 AM CDT | Special Weather Statement | DVN | 63 min |
| May 12, 5:24 AM CDT | Special Weather Statement | DVN | 66 min |
| May 13, 6:55 AM CDT | Special Weather Statement | DVN | 50 min |
| May 13, 3:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 14, 4:53 AM CDT | Special Weather Statement | DVN | 52 min |
| May 14, 2:54 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 15, 4:58 AM CDT | Special Weather Statement | DVN | 32 min |
| May 27, 3:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| May 30, 2:17 PM CDT | Special Weather Statement | DVN | 28 min |
| May 31, 7:58 PM CDT | Special Weather Statement | DVN | 32 min |
| May 31, 8:28 PM CDT | Special Weather Statement | DVN | 32 min |
| Jun 9, 12:08 AM CDT | Special Weather Statement | DVN | 37 min |
| Jun 9, 6:30 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 9, 10:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 9, 11:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 10, 10:39 AM CDT | Special Weather Statement | DVN | 51 min |
| Jun 15, 3:25 AM CDT | Heat Advisory | DVN | 4 days |
| Jun 19, 12:37 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 20, 4:35 PM CDT | Special Weather Statement | DVN | 55 min |
| Jun 20, 5:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 20, 9:42 PM CDT | River Flood Watch | DVN | 24 hr |
| Jun 20, 9:42 PM CDT | River Flood Watch | DVN | 24 hr |
| Jun 20, 9:42 PM CDT | River Flood Watch | DVN | 24 hr |
| Jun 21, 3:47 AM CDT | Flash Flood Watch | DVN | 23 hr |
| Jun 21, 11:16 AM CDT | River Flood Warning | DVN | 16 days |
| Jun 21, 11:16 AM CDT | River Flood Warning | DVN | 18 days |
| Jun 21, 11:16 AM CDT | River Flood Warning | DVN | 19 days |
| Jun 21, 11:40 AM CDT | Special Weather Statement | DVN | 20 min |
| Jun 21, 12:11 PM CDT | Special Weather Statement | DVN | 49 min |
| Jun 21, 1:22 PM CDT | Special Weather Statement | DVN | 53 min |
| Jun 21, 4:27 PM CDT | Special Weather Statement | DVN | 33 min |
| Jun 23, 6:40 PM CDT | Special Weather Statement | DVN | 50 min |
| Jun 23, 7:46 PM CDT | Special Weather Statement | DVN | 59 min |
| Jun 26, 6:57 PM CDT | Special Weather Statement | DVN | 48 min |
| Jun 26, 7:37 PM CDT | Special Weather Statement | DVN | 53 min |
| Jun 27, 3:11 PM CDT | Heat Advisory | DVN | 24 hr |
| Jun 28, 3:31 PM CDT | Excessive Heat Warning | DVN | 54 hr |
| Jul 3, 3:48 PM CDT | Heat Advisory | DVN | 28 hr |
| Jul 5, 2:28 AM CDT | Heat Advisory | DVN | 17 hr |
| Jul 13, 3:37 AM CDT | Heat Advisory | DVN | 15 hr |
| Jul 13, 7:37 PM CDT | Special Weather Statement | DVN | 38 min |
| Jul 14, 6:09 PM CDT | Special Weather Statement | DVN | 96 min |
| Jul 19, 5:18 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Aug 16, 3:00 AM CDT | Dense Fog Advisory | DVN | 6 hr |
| Aug 25, 1:13 AM CDT | Special Weather Statement | DVN | 32 min |
| Aug 25, 2:11 AM CDT | Special Weather Statement | DVN | 49 min |
| Aug 25, 1:41 PM CDT | Heat Advisory | DVN | 5 hr |
| Aug 26, 3:03 AM CDT | Heat Advisory | DVN | 64 hr |
| Aug 26, 6:45 PM CDT | Special Weather Statement | DVN | 30 min |
| Aug 28, 9:08 AM CDT | Flash Flood Watch | DVN | 20 hr |
| Aug 28, 1:30 PM CDT | Special Weather Statement | DVN | 30 min |
| Aug 28, 5:06 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 28, 6:18 PM CDT | Severe Thunderstorm Warning | DVN | 42 min |
| Aug 28, 6:45 PM CDT | Severe Thunderstorm Warning | DVN | 60 min |
| Aug 28, 9:10 PM CDT | Severe Thunderstorm Warning | DVN | 65 min |
| Sep 1, 3:44 AM CDT | Flash Flood Watch | DVN | 24 hr |
| Sep 1, 6:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Sep 1, 10:27 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Sep 2, 9:26 AM CDT | Flash Flood Watch | DVN | 39 hr |
| Sep 2, 10:22 AM CDT | River Flood Warning | DVN | 16 days |
| Sep 2, 10:22 AM CDT | River Flood Warning | DVN | 16 days |
| Sep 3, 1:20 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 4, 3:56 AM CDT | Flash Flood Watch | DVN | 39 hr |
| Sep 4, 11:21 AM CDT | River Flood Warning | DVN | 12 days |
| Sep 7, 5:03 AM CDT | Special Weather Statement | DVN | 117 min |
| Sep 18, 11:47 AM CDT | Severe Thunderstorm Warning | DVN | 58 min |
| Sep 18, 12:32 PM CDT | Severe Thunderstorm Warning | DVN | 58 min |
| Sep 21, 1:11 AM CDT | Special Weather Statement | DVN | 79 min |
| Sep 21, 11:17 AM CDT | River Flood Watch | DVN | 24 hr |
| Sep 21, 9:58 PM CDT | River Flood Warning | DVN | 40 days |
| Sep 25, 1:07 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Sep 25, 1:36 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 25, 2:45 PM CDT | Tornado Warning | DVN | 45 min |
| Sep 25, 3:39 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Sep 28, 11:11 AM CDT | River Flood Warning | DVN | 33 days |
| Oct 1, 10:23 PM CDT | River Flood Warning | DVN | 28 days |
| Oct 4, 1:18 PM CDT | Flash Flood Watch | DVN | 48 hr |
| Oct 7, 2:44 PM CDT | Flash Flood Watch | DVN | 70 hr |
| Oct 9, 3:42 AM CDT | Flash Flood Watch | DVN | 33 hr |
| Oct 10, 1:25 AM CDT | Special Weather Statement | DVN | 65 min |
| Oct 10, 6:51 AM CDT | Flash Flood Warning | DVN | 2 hr |
| Oct 11, 3:40 AM CDT | Frost Advisory | DVN | 28 hr |
| Oct 15, 3:14 AM CDT | Freeze Warning | DVN | 30 hr |
| Oct 19, 7:36 PM CDT | Wind Advisory | DVN | 20 hr |
| Oct 27, 2:31 PM CDT | Wind Advisory | DVN | 26 hr |
| Nov 17, 7:47 PM CST | Winter Weather Advisory | DVN | 7 hr |
| Nov 23, 3:29 AM CST | Winter Storm Watch | DVN | 24 hr |
| Nov 24, 3:52 AM CST | Winter Storm Warning | DVN | 44 hr |
| Nov 25, 12:09 PM CST | Blizzard Warning | DVN | 18 hr |
| Nov 25, 3:57 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Nov 30, 3:37 AM CST | Dense Fog Advisory | DVN | 6 hr |
| Dec 1, 7:28 AM CST | Wind Advisory | DVN | 7 hr |
| Dec 1, 12:36 PM CST | Dense Fog Advisory | DVN | 20 hr |
| Dec 4, 7:19 AM CST | Winter Weather Advisory | DVN | 3 hr |
| Dec 10, 12:42 AM CST | Dense Fog Advisory | DVN | 9 hr |
| Dec 13, 9:42 AM CST | Dense Fog Advisory | DVN | 3 hr |
| Dec 13, 4:56 PM CST | Dense Fog Advisory | DVN | 3 hr |
| Dec 13, 11:58 PM CST | Dense Fog Advisory | DVN | 9 hr |
| Dec 14, 3:57 PM CST | Dense Fog Advisory | DVN | 11 hr |
| Dec 28, 2:50 AM CST | Winter Weather Advisory | DVN | 9 hr |
| Dec 28, 2:37 PM CST | Winter Weather Advisory | DVN | 7 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 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 4 |
| Mesoscale Discussion | 22 |
| Special Weather Statement | 42 |
| Flooding | |
| Flash Flood Warning | 1 |
| River Flood Warning | 12 |
| Flash Flood Watch | 8 |
| Flood Watch | 1 |
| River Flood Watch | 7 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 19 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 7 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 4 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 12 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.