Alert archive / Illinois / Grundy County
Weather alerts in Grundy County, Illinois, 2016
114 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Grundy County and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Alerts
- 114
- Warnings
- 26
- Watches
- 15
- Advisories
- 45
- Busiest month
- July31 alerts
- Busiest day
- July 18, 201613 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 9, 3:09 AM CST | Winter Weather Advisory | LOT | 16 hr |
| Jan 17, 3:02 AM CST | Wind Chill Advisory | LOT | 33 hr |
| Jan 18, 11:42 PM CST | River Flood Advisory | LOT | 11 days |
| Feb 1, 5:50 PM CST | Dense Fog Advisory | LOT | 8 hr |
| Feb 2, 1:11 PM CST | Special Weather Statement | LOT | 34 min |
| Feb 2, 4:05 PM CST | Areal Flood Advisory | LOT | 3 hr |
| Feb 2, 9:55 PM CST | Dense Fog Advisory | LOT | 7 hr |
| Feb 13, 2:29 PM CST | Winter Weather Advisory | LOT | 34 hr |
| Feb 18, 2:46 PM CST | Wind Advisory | LOT | 27 hr |
| Feb 19, 9:41 AM CST | High Wind Warning | LOT | 8 hr |
| Feb 23, 3:12 PM CST | Winter Weather Advisory | LOT | 30 hr |
| Feb 28, 4:10 AM CST | Wind Advisory | LOT | 11 hr |
| Mar 2, 2:57 PM CST | Winter Weather Advisory | LOT | 12 hr |
| Mar 15, 3:50 AM CDT | High Wind Watch | LOT | 24 hr |
| Mar 15, 2:24 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Mar 15, 3:06 PM CDT | Wind Advisory | LOT | 29 hr |
| Mar 15, 8:40 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 15, 9:13 PM CDT | Severe Thunderstorm Warning | LOT | 47 min |
| Mar 15, 9:54 PM CDT | Severe Thunderstorm Warning | LOT | 36 min |
| Mar 31, 10:46 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Apr 1, 2:29 PM CDT | Wind Advisory | LOT | 29 hr |
| Apr 3, 3:57 AM CDT | Wind Advisory | LOT | 15 hr |
| Apr 3, 10:59 PM CDT | Special Weather Statement | LOT | 31 min |
| Apr 21, 1:29 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 25, 2:17 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 25, 6:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| May 10, 5:46 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| May 10, 10:45 PM CDT | Dense Fog Advisory | LOT | 11 hr |
| May 14, 3:05 AM CDT | Frost Advisory | LOT | 29 hr |
| May 31, 12:52 PM CDT | Special Weather Statement | LOT | 23 min |
| Jun 9, 7:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 14, 12:35 AM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jun 14, 3:05 AM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jun 14, 2:55 PM CDT | Special Weather Statement | LOT | 20 min |
| Jun 14, 8:54 PM CDT | Flash Flood Watch | LOT | 8 hr |
| Jun 21, 3:35 PM CDT | Flash Flood Watch | LOT | 33 hr |
| Jun 22, 3:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 22, 6:11 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 22, 8:35 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jun 22, 8:52 PM CDT | Flash Flood Warning | LOT | 5 hr |
| Jun 22, 8:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 22, 9:01 PM CDT | Tornado Warning | LOT | 29 min |
| Jun 22, 9:53 PM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jun 22, 11:29 PM CDT | Severe Thunderstorm Warning | LOT | 31 min |
| Jun 23, 5:05 AM CDT | Dense Fog Advisory | LOT | 4 hr |
| Jul 6, 1:27 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 1:55 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 8, 4:20 AM CDT | Dense Fog Advisory | LOT | 4 hr |
| Jul 13, 2:37 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 13, 5:55 PM CDT | Severe Thunderstorm Warning | LOT | 50 min |
| Jul 17, 7:00 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 8:18 PM CDT | Severe Thunderstorm Warning | LOT | 27 min |
| Jul 17, 8:43 PM CDT | Severe Thunderstorm Warning | LOT | 47 min |
| Jul 17, 8:47 PM CDT | Tornado Warning | LOT | 28 min |
| Jul 17, 9:02 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 17, 9:46 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jul 17, 10:36 PM CDT | Severe Thunderstorm Warning | LOT | 24 min |
| Jul 17, 11:11 PM CDT | Severe Thunderstorm Warning | LOT | 34 min |
| Jul 17, 11:25 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 17, 11:45 PM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jul 18, 2:30 AM CDT | Flash Flood Warning | LOT | 4 hr |
| Jul 18, 8:28 AM CDT | River Flood Warning | LOT | 43 hr |
| Jul 18, 10:46 AM CDT | Areal Flood Warning | LOT | 12 hr |
| Jul 18, 3:19 PM CDT | Excessive Heat Watch | LOT | 61 hr |
| Jul 20, 12:47 PM CDT | Excessive Heat Warning | LOT | 3 days |
| Jul 21, 6:18 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 21, 8:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jul 21, 9:08 PM CDT | Special Weather Statement | LOT | 67 min |
| Jul 21, 9:57 PM CDT | Special Weather Statement | LOT | 63 min |
| Jul 23, 3:23 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 24, 3:27 AM CDT | Heat Advisory | LOT | 16 hr |
| Jul 24, 2:25 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 24, 5:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 24, 6:30 PM CDT | Severe Thunderstorm Warning | LOT | 30 min |
| Jul 24, 7:50 PM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jul 28, 11:16 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 8:06 PM CDT | Flash Flood Watch | LOT | 28 hr |
| Aug 12, 5:18 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Aug 12, 5:51 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Aug 12, 11:09 PM CDT | Areal Flood Warning | LOT | 12 hr |
| Aug 18, 1:35 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Aug 18, 5:56 PM CDT | Special Weather Statement | LOT | 34 min |
| Aug 18, 7:54 PM CDT | Flash Flood Watch | LOT | 8 hr |
| Aug 20, 9:27 PM CDT | River Flood Advisory | LOT | 3 days |
| Aug 24, 3:19 PM CDT | Flash Flood Watch | LOT | 12 hr |
| Aug 25, 1:47 AM CDT | Severe Thunderstorm Warning | LOT | 43 min |
| Aug 27, 10:19 AM CDT | River Flood Advisory | LOT | 3 days |
| Aug 27, 2:14 PM CDT | River Flood Advisory | LOT | 3 days |
| Aug 28, 12:49 PM CDT | Areal Flood Advisory | LOT | 4 hr |
| Aug 28, 1:30 PM CDT | Special Weather Statement | LOT | 45 min |
| Aug 28, 1:34 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Aug 28, 1:45 PM CDT | Severe Thunderstorm Warning | LOT | 45 min |
| Aug 28, 4:13 PM CDT | River Flood Advisory | LOT | 42 hr |
| Aug 28, 7:24 PM CDT | Areal Flood Warning | LOT | 18 hr |
| Sep 7, 1:00 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 7, 3:36 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 8, 8:39 PM CDT | River Flood Advisory | LOT | 21 hr |
| Sep 9, 3:05 AM CDT | Dense Fog Advisory | LOT | 6 hr |
| Sep 10, 2:01 PM CDT | River Flood Advisory | LOT | 36 hr |
| Sep 21, 2:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 25, 2:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 27, 12:03 PM CDT | Red Flag Warning | LOT | 7 hr |
| Nov 4, 3:38 AM CDT | Dense Fog Advisory | LOT | 7 hr |
| Nov 18, 10:29 AM CST | Wind Advisory | LOT | 29 hr |
| Nov 27, 9:21 AM CST | Dense Fog Advisory | LOT | 4 hr |
| Dec 3, 3:07 PM CST | Winter Weather Advisory | LOT | 27 hr |
| Dec 5, 9:10 AM CST | Dense Fog Advisory | LOT | 4 hr |
| Dec 6, 5:46 AM CST | Dense Fog Advisory | LOT | 5 hr |
| Dec 10, 3:50 AM CST | Winter Weather Advisory | LOT | 7 hr |
| Dec 10, 10:55 AM CST | Winter Storm Warning | LOT | 37 hr |
| Dec 10, 6:59 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 14, 3:24 AM CST | Wind Chill Advisory | LOT | 31 hr |
| Dec 15, 3:17 PM CST | Winter Weather Advisory | LOT | 63 hr |
| Dec 16, 8:27 PM CST | Wind Chill Advisory | LOT | 62 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 archive20152017
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.