Alert archive / Illinois / Boone County
Weather alerts in Boone County, Illinois, 2015
123 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Boone County and its neighbors
Each county as a circle sized by its count in 2015. Tap one for its archive.
- Alerts
- 123
- Warnings
- 27
- Watches
- 22
- Advisories
- 41
- Busiest month
- April21 alerts
- Busiest day
- April 9, 20159 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, 3:33 PM CST | Winter Weather Advisory | LOT | 23 hr |
| Jan 4, 3:29 AM CST | Wind Chill Advisory | LOT | 33 hr |
| Jan 4, 3:29 AM CST | Winter Storm Watch | LOT | 23 hr |
| Jan 5, 2:49 AM CST | Winter Weather Advisory | LOT | 25 hr |
| Jan 6, 3:43 AM CST | Wind Chill Warning | LOT | 31 hr |
| Jan 7, 10:52 AM CST | Wind Chill Advisory | LOT | 25 hr |
| Jan 8, 4:03 AM CST | Winter Weather Advisory | LOT | 23 hr |
| Jan 8, 5:38 PM CST | Wind Chill Advisory | LOT | 16 hr |
| Jan 9, 3:15 AM CST | Wind Chill Advisory | LOT | 30 hr |
| Jan 26, 4:44 PM CST | Freezing Rain Advisory | LOT | 13 hr |
| Jan 30, 10:37 AM CST | Winter Storm Watch | LOT | 16 hr |
| Jan 31, 2:46 AM CST | Winter Storm Warning | LOT | 45 hr |
| Feb 1, 4:08 AM CST | Blizzard Warning | LOT | 23 hr |
| Feb 14, 3:52 AM CST | Wind Chill Advisory | LOT | 29 hr |
| Feb 18, 3:50 AM CST | Wind Chill Advisory | LOT | 32 hr |
| Feb 19, 2:58 PM CST | Wind Chill Advisory | LOT | 15 hr |
| Feb 22, 3:44 AM CST | Wind Chill Advisory | LOT | 29 hr |
| Feb 26, 3:03 PM CST | Wind Chill Advisory | LOT | 18 hr |
| Mar 2, 11:44 AM CST | Winter Weather Advisory | LOT | 24 hr |
| Mar 10, 1:05 AM CDT | Dense Fog Advisory | LOT | 12 hr |
| Mar 10, 7:05 PM CDT | Dense Fog Advisory | LOT | 14 hr |
| Mar 22, 3:19 PM CDT | Winter Weather Advisory | LOT | 21 hr |
| Mar 23, 12:47 AM CDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 23, 4:58 AM CDT | Mesoscale Discussion | SPC | 5 hr |
| Apr 4, 4:34 PM CDT | Fire Weather Watch | LOT | 12 hr |
| Apr 8, 11:35 PM CDT | Severe Thunderstorm Warning | LOT | 40 min |
| Apr 9, 1:48 PM CDT | Tornado Watch | SPC | 9 hr |
| Apr 9, 3:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Apr 9, 5:27 PM CDT | Severe Thunderstorm Warning | LOT | 18 min |
| Apr 9, 6:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Apr 9, 6:09 PM CDT | Tornado Warning | LOT | 36 min |
| Apr 9, 6:37 PM CDT | Tornado Warning | LOT | 23 min |
| Apr 9, 6:56 PM CDT | Tornado Warning | LOT | 34 min |
| Apr 9, 6:58 PM CDT | Tornado Warning | LOT | 47 min |
| Apr 9, 7:05 PM CDT | Tornado Warning | LOT | 40 min |
| Apr 9, 7:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Apr 9, 7:16 PM CDT | Tornado Warning | LOT | 29 min |
| Apr 9, 7:21 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Apr 9, 7:53 PM CDT | Severe Thunderstorm Warning | LOT | 37 min |
| Apr 9, 10:27 PM CDT | Wind Advisory | LOT | 6 hr |
| Apr 10, 9:06 AM CDT | River Flood Advisory | LOT | 36 hr |
| Apr 10, 2:17 PM CDT | Wind Advisory | LOT | 5 hr |
| Apr 21, 3:16 AM CDT | Wind Advisory | LOT | 16 hr |
| Apr 22, 3:25 PM CDT | Freeze Warning | LOT | 17 hr |
| Apr 23, 4:22 PM CDT | Frost Advisory | LOT | 16 hr |
| May 17, 3:31 PM CDT | Special Weather Statement | LOT | 44 min |
| May 24, 5:34 PM CDT | Tornado Watch | SPC | 7 hr |
| May 26, 11:22 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 7, 6:05 AM CDT | Special Weather Statement | LOT | 55 min |
| Jun 7, 2:36 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 8, 3:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 11, 2:06 PM CDT | Flash Flood Watch | LOT | 20 hr |
| Jun 13, 8:20 PM CDT | Severe Thunderstorm Warning | LOT | 26 min |
| Jun 13, 8:59 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Jun 15, 4:10 AM CDT | Flash Flood Watch | LOT | 24 hr |
| Jun 15, 9:23 AM CDT | River Flood Advisory | LOT | 58 hr |
| Jun 17, 9:42 AM CDT | River Flood Advisory | LOT | 23 hr |
| Jun 22, 9:14 AM CDT | Mesoscale Discussion | SPC | 61 min |
| Jun 22, 9:39 AM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 22, 9:47 AM CDT | Severe Thunderstorm Warning | LOT | 58 min |
| Jun 23, 3:08 PM CDT | Flash Flood Watch | LOT | 44 hr |
| Jul 12, 2:19 PM CDT | Flash Flood Watch | LOT | 33 hr |
| Jul 13, 3:49 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Jul 13, 4:14 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 13, 5:05 AM CDT | Severe Thunderstorm Warning | LOT | 55 min |
| Jul 13, 5:41 AM CDT | Severe Thunderstorm Warning | LOT | 64 min |
| Jul 13, 6:28 AM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jul 13, 3:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 13, 4:01 PM CDT | Tornado Watch | SPC | 7 hr |
| Jul 13, 6:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 13, 8:51 PM CDT | Severe Thunderstorm Warning | LOT | 39 min |
| Jul 13, 9:34 PM CDT | Severe Thunderstorm Warning | LOT | 41 min |
| Jul 13, 10:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jul 16, 9:30 PM CDT | Areal Flood Advisory | LOT | 6 hr |
| Jul 17, 10:45 AM CDT | Heat Advisory | LOT | 33 hr |
| Jul 17, 3:33 PM CDT | Severe Thunderstorm Warning | LOT | 57 min |
| Jul 17, 4:24 PM CDT | Severe Thunderstorm Warning | LOT | 66 min |
| Jul 17, 4:26 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Jul 18, 12:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 18, 1:31 PM CDT | Tornado Watch | SPC | 5 hr |
| Jul 18, 1:56 PM CDT | Flash Flood Watch | LOT | 5 hr |
| Jul 19, 8:59 AM CDT | River Flood Advisory | LOT | 36 hr |
| Aug 2, 8:30 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 2, 9:48 PM CDT | Special Weather Statement | LOT | 42 min |
| Aug 15, 1:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 15, 2:57 PM CDT | Special Weather Statement | LOT | 48 min |
| Aug 17, 4:50 PM CDT | Special Weather Statement | LOT | 55 min |
| Aug 17, 6:15 PM CDT | Special Weather Statement | LOT | 45 min |
| Aug 18, 1:35 PM CDT | Tornado Watch | SPC | 8 hr |
| Aug 18, 3:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 18, 8:00 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Aug 31, 12:50 AM CDT | Dense Fog Advisory | LOT | 8 hr |
| Sep 8, 9:52 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Sep 17, 1:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Sep 17, 2:41 PM CDT | Special Weather Statement | LOT | 49 min |
| Sep 18, 3:43 AM CDT | Flash Flood Watch | LOT | 23 hr |
| Oct 15, 3:43 AM CDT | Freeze Watch | LOT | 24 hr |
| Oct 16, 3:13 AM CDT | Freeze Warning | LOT | 30 hr |
| Oct 19, 3:23 AM CDT | Red Flag Warning | LOT | 16 hr |
| Nov 3, 7:08 PM CST | Dense Fog Advisory | LOT | 15 hr |
| Nov 10, 2:51 PM CST | Wind Advisory | LOT | 51 hr |
| Nov 11, 5:46 PM CST | Mesoscale Discussion | SPC | 59 min |
| Nov 11, 6:16 PM CST | Severe Thunderstorm Watch | SPC | 4 hr |
| Nov 11, 6:43 PM CST | Special Weather Statement | LOT | 32 min |
| Nov 11, 7:00 PM CST | Special Weather Statement | LOT | 60 min |
| Nov 19, 3:46 AM CST | Winter Storm Watch | LOT | 24 hr |
| Nov 19, 9:38 AM CST | Wind Advisory | LOT | 7 hr |
| Nov 20, 3:24 AM CST | Winter Storm Warning | LOT | 41 hr |
| Nov 21, 6:28 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Nov 21, 6:32 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Nov 26, 9:44 AM CST | River Flood Advisory | LOT | 3 days |
| Dec 4, 8:01 PM CST | Dense Fog Advisory | LOT | 16 hr |
| Dec 6, 9:18 PM CST | Dense Fog Advisory | LOT | 24 hr |
| Dec 12, 4:22 AM CST | Dense Fog Advisory | LOT | 25 hr |
| Dec 14, 8:56 AM CST | River Flood Advisory | LOT | 63 hr |
| Dec 15, 8:33 PM CST | River Flood Advisory | LOT | 22 hr |
| Dec 23, 11:30 AM CST | Wind Advisory | LOT | 16 hr |
| Dec 26, 3:32 PM CST | Winter Storm Watch | LOT | 24 hr |
| Dec 27, 3:07 PM CST | Winter Storm Warning | LOT | 33 hr |
| Dec 28, 5:26 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 28, 12:13 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Dec 28, 5:27 PM CST | Areal Flood Advisory | LOT | 12 hr |
| Dec 28, 6:00 PM CST | Mesoscale Discussion | SPC | 5 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 archive20142016
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.