Alert archive / Illinois / Boone County
Weather alerts in Boone County, Illinois, 2017
140 weather alerts in 2017, 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 2017. Tap one for its archive.
- Alerts
- 140
- Warnings
- 29
- Watches
- 17
- Advisories
- 49
- Busiest month
- July35 alerts
- Busiest day
- June 29, 201710 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, 6:30 PM CST | Dense Fog Advisory | LOT | 17 hr |
| Jan 10, 3:38 AM CST | Wind Advisory | LOT | 17 hr |
| Jan 11, 10:02 AM CST | Freezing Rain Advisory | LOT | 23 hr |
| Jan 15, 2:56 PM CST | Winter Weather Advisory | LOT | 21 hr |
| Jan 16, 12:13 PM CST | Dense Fog Advisory | LOT | 17 hr |
| Jan 18, 12:52 PM CST | River Flood Advisory | LOT | 36 hr |
| Jan 20, 4:29 PM CST | Dense Fog Advisory | LOT | 19 hr |
| Jan 21, 9:08 PM CST | Dense Fog Advisory | LOT | 15 hr |
| Feb 6, 7:07 PM CST | Dense Fog Advisory | LOT | 19 hr |
| Feb 21, 11:34 PM CST | Dense Fog Advisory | LOT | 11 hr |
| Feb 28, 2:57 PM CST | Tornado Watch | SPC | 7 hr |
| Feb 28, 5:24 PM CST | Mesoscale Discussion | SPC | 96 min |
| Mar 6, 10:15 PM CST | Mesoscale Discussion | SPC | 60 min |
| Mar 6, 10:35 PM CST | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 6, 11:54 PM CST | Special Weather Statement | LOT | 51 min |
| Mar 7, 7:38 PM CST | Wind Advisory | LOT | 22 hr |
| Mar 8, 9:35 AM CST | Red Flag Warning | LOT | 7 hr |
| Mar 8, 11:23 AM CST | High Wind Warning | LOT | 6 hr |
| Mar 8, 11:23 AM CST | Wind Advisory | LOT | 3 hr |
| Mar 11, 3:43 PM CST | Winter Weather Advisory | LOT | 44 hr |
| Mar 23, 6:20 PM CDT | Special Weather Statement | LOT | 25 min |
| Mar 23, 6:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Mar 23, 6:46 PM CDT | Special Weather Statement | LOT | 44 min |
| Mar 26, 5:26 AM CDT | Dense Fog Advisory | LOT | 5 hr |
| Mar 28, 7:17 PM CDT | Dense Fog Advisory | LOT | 14 hr |
| Mar 30, 1:08 PM CDT | Areal Flood Advisory | LOT | 6 hr |
| Mar 30, 7:01 PM CDT | Areal Flood Advisory | LOT | 5 hr |
| Mar 30, 9:01 PM CDT | River Flood Advisory | LOT | 36 hr |
| Apr 10, 11:57 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 10, 1:48 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 10, 2:55 PM CDT | Special Weather Statement | LOT | 50 min |
| Apr 10, 3:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 15, 9:04 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Apr 15, 11:17 PM CDT | Special Weather Statement | LOT | 43 min |
| Apr 15, 11:58 PM CDT | Areal Flood Advisory | LOT | 6 hr |
| Apr 16, 9:31 AM CDT | River Flood Advisory | LOT | 51 hr |
| Apr 29, 10:55 AM CDT | River Flood Watch | LOT | 4 days |
| Apr 30, 9:43 AM CDT | River Flood Advisory | LOT | 63 hr |
| May 1, 12:35 PM CDT | River Flood Advisory | LOT | 69 hr |
| May 2, 3:18 AM CDT | Frost Advisory | LOT | 29 hr |
| May 6, 2:39 PM CDT | Frost Advisory | LOT | 17 hr |
| May 7, 3:04 AM CDT | Frost Advisory | LOT | 27 hr |
| May 15, 5:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| May 15, 6:11 PM CDT | Severe Thunderstorm Warning | LOT | 19 min |
| May 15, 7:19 PM CDT | Mesoscale Discussion | SPC | 56 min |
| May 15, 7:52 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| May 15, 10:14 PM CDT | Mesoscale Discussion | SPC | 61 min |
| May 17, 3:44 PM CDT | Tornado Watch | SPC | 9 hr |
| May 17, 9:59 PM CDT | Severe Thunderstorm Warning | LOT | 61 min |
| May 17, 10:04 PM CDT | Tornado Warning | LOT | 26 min |
| May 17, 10:22 PM CDT | Tornado Warning | LOT | 23 min |
| May 21, 12:25 AM CDT | Dense Fog Advisory | LOT | 5 hr |
| Jun 13, 2:13 PM CDT | Severe Thunderstorm Warning | LOT | 21 min |
| Jun 13, 3:10 PM CDT | Severe Thunderstorm Warning | LOT | 30 min |
| Jun 14, 12:06 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 14, 12:11 PM CDT | Severe Thunderstorm Warning | LOT | 49 min |
| Jun 14, 12:40 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 14, 12:47 PM CDT | Severe Thunderstorm Warning | LOT | 43 min |
| Jun 14, 1:11 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jun 14, 4:36 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jun 14, 5:56 PM CDT | Areal Flood Warning | LOT | 6 hr |
| Jun 14, 11:49 PM CDT | Areal Flood Advisory | LOT | 10 hr |
| Jun 15, 10:30 PM CDT | Special Weather Statement | LOT | 30 min |
| Jun 16, 10:25 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 17, 1:35 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 17, 2:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 17, 5:39 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 17, 8:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jun 19, 12:44 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 23, 3:24 AM CDT | Special Weather Statement | LOT | 36 min |
| Jun 24, 7:02 PM CDT | Special Weather Statement | LOT | 28 min |
| Jun 28, 3:06 PM CDT | Special Weather Statement | LOT | 24 min |
| Jun 28, 6:32 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jun 28, 7:06 PM CDT | Tornado Watch | SPC | 4 hr |
| Jun 28, 7:10 PM CDT | Severe Thunderstorm Warning | LOT | 65 min |
| Jun 28, 7:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 28, 7:55 PM CDT | Severe Thunderstorm Warning | LOT | 65 min |
| Jun 28, 8:03 PM CDT | Flash Flood Watch | LOT | 8 hr |
| Jun 28, 8:19 PM CDT | Tornado Warning | LOT | 26 min |
| Jun 28, 8:24 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Jun 28, 10:47 PM CDT | River Flood Advisory | LOT | 3 days |
| Jun 29, 2:28 AM CDT | Areal Flood Warning | LOT | 15 hr |
| Jun 29, 4:39 AM CDT | River Flood Warning | LOT | 30 hr |
| Jul 5, 3:48 PM CDT | Special Weather Statement | LOT | 27 min |
| Jul 5, 4:07 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jul 5, 4:18 PM CDT | Special Weather Statement | LOT | 42 min |
| Jul 11, 9:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jul 12, 2:32 PM CDT | Flash Flood Watch | LOT | 12 hr |
| Jul 12, 8:58 PM CDT | River Flood Advisory | LOT | 4 days |
| Jul 16, 12:50 AM CDT | Special Weather Statement | LOT | 55 min |
| Jul 16, 1:39 AM CDT | Special Weather Statement | LOT | 66 min |
| Jul 16, 2:36 AM CDT | Special Weather Statement | LOT | 54 min |
| Jul 19, 5:11 PM CDT | Mesoscale Discussion | SPC | 34 min |
| Jul 19, 5:45 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 19, 7:54 PM CDT | Severe Thunderstorm Warning | LOT | 51 min |
| Jul 19, 8:16 PM CDT | Tornado Warning | LOT | 29 min |
| Jul 19, 8:19 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jul 19, 8:34 PM CDT | Severe Thunderstorm Warning | LOT | 56 min |
| Jul 19, 10:49 PM CDT | Special Weather Statement | LOT | 56 min |
| Jul 20, 3:28 AM CDT | Special Weather Statement | LOT | 47 min |
| Jul 20, 3:48 AM CDT | Severe Thunderstorm Warning | LOT | 42 min |
| Jul 20, 4:21 AM CDT | Severe Thunderstorm Warning | LOT | 39 min |
| Jul 20, 9:30 AM CDT | River Flood Advisory | LOT | 4 days |
| Jul 20, 2:15 PM CDT | Flash Flood Watch | LOT | 42 hr |
| Jul 21, 2:39 PM CDT | Severe Thunderstorm Warning | LOT | 36 min |
| Jul 21, 3:08 PM CDT | Severe Thunderstorm Warning | LOT | 37 min |
| Jul 21, 4:52 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 21, 5:09 PM CDT | River Flood Warning | LOT | 4 days |
| Jul 21, 6:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 21, 8:33 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Jul 21, 8:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 21, 11:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jul 22, 2:30 AM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jul 23, 1:03 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 23, 3:17 PM CDT | Special Weather Statement | LOT | 28 min |
| Jul 23, 3:45 PM CDT | Severe Thunderstorm Warning | LOT | 45 min |
| Jul 23, 4:19 PM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jul 26, 8:30 PM CDT | Areal Flood Advisory | LOT | 4 hr |
| Aug 3, 12:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 3, 5:18 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 2:07 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Aug 10, 2:47 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 10, 3:47 PM CDT | Special Weather Statement | LOT | 13 min |
| Aug 10, 4:02 PM CDT | Special Weather Statement | LOT | 13 min |
| Aug 10, 4:06 PM CDT | Severe Thunderstorm Warning | LOT | 24 min |
| Aug 10, 5:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Aug 29, 2:02 AM CDT | Dense Fog Advisory | LOT | 7 hr |
| Aug 30, 4:30 AM CDT | Dense Fog Advisory | LOT | 5 hr |
| Sep 14, 1:14 AM CDT | Dense Fog Advisory | LOT | 9 hr |
| Oct 14, 2:55 AM CDT | Flash Flood Watch | LOT | 25 hr |
| Oct 25, 3:00 AM CDT | Frost Advisory | LOT | 29 hr |
| Oct 27, 3:29 PM CDT | Freeze Warning | LOT | 42 hr |
| Nov 4, 11:33 PM CDT | Dense Fog Advisory | LOT | 10 hr |
| Nov 12, 9:39 PM CST | Dense Fog Advisory | LOT | 14 hr |
| Dec 4, 3:10 AM CST | Wind Advisory | LOT | 39 hr |
| Dec 25, 3:02 AM CST | Wind Chill Advisory | LOT | 33 hr |
| Dec 26, 12:54 PM CST | Wind Chill Advisory | LOT | 22 hr |
| Dec 28, 8:33 PM CST | Winter Weather Advisory | LOT | 24 hr |
| Dec 29, 1:05 PM CST | Wind Chill Advisory | LOT | 24 hr |
| Dec 30, 6:27 PM CST | Wind Chill Advisory | LOT | 14 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 archive20162018
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.