Alert archive / Illinois / Hamilton County
Weather alerts in Hamilton County, Illinois, 2026
116 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Hamilton County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 116
- Warnings
- 28
- Watches
- 25
- Advisories
- 25
- Busiest month
- July25 alerts
- Busiest day
- April 27, 202610 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 8, 7:15 PM CST | Wind Advisory | PAH | 8 hr |
| Jan 8, 7:50 PM CST | Mesoscale Discussion | SPC | 55 min |
| Jan 9, 1:11 AM CST | Special Weather Statement | PAH | 49 min |
| Jan 9, 1:45 AM CST | Special Weather Statement | PAH | 60 min |
| Jan 9, 1:49 AM CST | Severe Thunderstorm Warning | PAH | 41 min |
| Jan 21, 2:46 AM CST | Winter Storm Watch | PAH | 33 hr |
| Jan 22, 11:58 AM CST | Winter Storm Warning | PAH | 3 days |
| Jan 22, 12:00 PM CST | Cold Weather Advisory | PAH | 4 days |
| Jan 24, 10:12 AM CST | Extreme Cold Warning | PAH | 72 hr |
| Jan 24, 11:00 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 29, 12:58 PM CST | Cold Weather Advisory | PAH | 47 hr |
| Feb 15, 6:32 PM CST | Dense Fog Advisory | PAH | 16 hr |
| Feb 19, 11:34 AM CST | Mesoscale Discussion | SPC | 116 min |
| Feb 19, 12:20 PM CST | Tornado Watch | SPC | 10 hr |
| Feb 19, 2:56 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 4, 1:28 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Mar 4, 1:48 PM CST | Flood Watch | PAH | 21 hr |
| Mar 4, 2:32 PM CST | Severe Thunderstorm Watch | SPC | 8 hr |
| Mar 4, 5:30 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 6, 12:41 AM CST | Dense Fog Advisory | PAH | 5 hr |
| Mar 7, 2:44 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 7, 5:40 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 11, 5:22 AM CDT | Tornado Watch | SPC | 6 hr |
| Mar 11, 6:07 AM CDT | Severe Thunderstorm Warning | PAH | 53 min |
| Mar 11, 12:37 PM CDT | Severe Thunderstorm Warning | PAH | 38 min |
| Mar 14, 10:45 AM CDT | Wind Advisory | PAH | 26 hr |
| Mar 15, 10:45 AM CDT | High Wind Warning | PAH | 8 hr |
| Mar 15, 12:59 PM CDT | Wind Advisory | PAH | 18 hr |
| Mar 15, 3:27 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Mar 15, 3:57 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 15, 5:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Mar 22, 5:17 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 27, 1:41 AM CDT | Freeze Warning | PAH | 31 hr |
| Mar 29, 1:31 PM CDT | Red Flag Warning | PAH | 5 hr |
| Apr 2, 1:02 AM CDT | Wind Advisory | PAH | 18 hr |
| Apr 21, 2:10 AM CDT | Lake Wind Advisory | PAH | 14 hr |
| Apr 27, 4:07 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 27, 7:16 AM CDT | Severe Thunderstorm Warning | PAH | 24 min |
| Apr 27, 7:32 AM CDT | Severe Thunderstorm Warning | PAH | 21 min |
| Apr 27, 7:36 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Apr 27, 9:16 AM CDT | Severe Thunderstorm Warning | PAH | 44 min |
| Apr 27, 10:31 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Apr 27, 12:50 PM CDT | Tornado Watch | SPC | 9 hr |
| Apr 27, 2:46 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 27, 3:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Apr 27, 6:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Apr 27, 8:08 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Apr 27, 9:23 PM CDT | Severe Thunderstorm Warning | PAH | 67 min |
| Apr 27, 9:48 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 27, 10:09 PM CDT | Severe Thunderstorm Warning | PAH | 51 min |
| Apr 27, 10:21 PM CDT | Areal Flood Advisory | PAH | 96 min |
| May 4, 1:56 AM CDT | Lake Wind Advisory | PAH | 18 hr |
| May 16, 2:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 16, 3:46 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 19, 12:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jun 1, 6:01 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 1:23 AM CDT | Flood Watch | PAH | 44 hr |
| Jun 8, 1:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 9, 12:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 9, 5:39 PM CDT | Severe Thunderstorm Warning | PAH | 33 min |
| Jun 16, 7:05 PM CDT | Severe Thunderstorm Warning | PAH | 25 min |
| Jun 17, 12:51 AM CDT | Wind Advisory | PAH | 19 hr |
| Jun 17, 9:13 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 20, 9:56 PM CDT | Flood Watch | PAH | 33 hr |
| Jun 21, 10:06 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 21, 1:28 PM CDT | Tornado Watch | SPC | 9 hr |
| Jun 21, 4:43 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 21, 6:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 21, 7:41 PM CDT | Tornado Warning | PAH | 49 min |
| Jun 21, 8:12 PM CDT | Tornado Warning | PAH | 48 min |
| Jun 25, 1:36 AM CDT | Flood Watch | PAH | 3 days |
| Jun 25, 1:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 27, 11:00 AM CDT | Heat Advisory | PAH | 33 hr |
| Jun 27, 11:00 AM CDT | Extreme Heat Watch | PAH | 24 hr |
| Jun 27, 12:56 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 27, 3:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 28, 11:28 AM CDT | Extreme Heat Warning | PAH | 5 days |
| Jul 2, 10:16 AM CDT | Heat Advisory | PAH | 58 hr |
| Jul 4, 4:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 4, 7:00 PM CDT | Special Weather Statement | PAH | 45 min |
| Jul 5, 3:04 PM CDT | Severe Thunderstorm Warning | PAH | 41 min |
| Jul 8, 10:34 AM CDT | Flood Watch | PAH | 4 days |
| Jul 9, 12:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 6:42 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 10, 7:26 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jul 10, 11:01 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 17, 11:01 AM CDT | Heat Advisory | PAH | 4 days |
| Jul 19, 7:00 PM CDT | Areal Flood Advisory | PAH | 3 hr |
| Jul 20, 8:38 AM CDT | Extreme Heat Warning | PAH | 34 hr |
| Jul 21, 12:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jul 21, 1:18 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 25, 11:30 PM CDT | Extreme Heat Warning | PAH | 68 hr |
| Jul 25, 11:44 PM CDT | Heat Advisory | PAH | 25 hr |
| Jul 26, 1:52 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 26, 4:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jul 26, 5:14 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 26, 6:27 PM CDT | Severe Thunderstorm Warning | PAH | 48 min |
| Jul 26, 6:33 PM CDT | Mesoscale Discussion | SPC | 27 min |
| Jul 26, 6:55 PM CDT | Severe Thunderstorm Warning | PAH | 50 min |
| Jul 27, 12:32 AM CDT | Heat Advisory | PAH | 42 hr |
| Jul 27, 1:58 AM CDT | Severe Thunderstorm Warning | PAH | 47 min |
| Jul 27, 4:56 AM CDT | Areal Flood Advisory | PAH | 56 min |
| Aug 9, 12:29 AM CDT | Heat Advisory | PAH | 4 days |
| Aug 10, 12:50 AM CDT | Extreme Heat Warning | PAH | 7 days |
| Aug 12, 4:33 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Aug 12, 5:16 PM CDT | Severe Thunderstorm Warning | PAH | 44 min |
| Aug 12, 6:12 PM CDT | Areal Flood Advisory | PAH | 3 hr |
| Aug 17, 12:09 AM CDT | Areal Flood Advisory | PAH | 104 min |
| Aug 19, 8:52 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Aug 22, 3:54 AM CDT | Severe Thunderstorm Warning | PAH | 17 min |
| Aug 30, 12:20 PM CDT | Heat Advisory | PAH | 47 hr |
| Aug 30, 12:20 PM CDT | Extreme Heat Watch | PAH | 10 hr |
| Sep 1, 11:46 AM CDT | Extreme Heat Warning | PAH | 4 days |
| Sep 8, 12:44 PM CDT | Heat Advisory | PAH | 30 hr |
| Sep 13, 11:12 AM CDT | Heat Advisory | PAH | 7 days |
| Sep 20, 6:38 PM CDT | Mesoscale Discussion | SPC | 2 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 | 16 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 9 |
| Mesoscale Discussion | 35 |
| Special Weather Statement | 3 |
| Flooding | |
| Flood Watch | 5 |
| Areal Flood Advisory | 5 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Heat | |
| Extreme Heat Warning | 5 |
| Extreme Heat Watch | 2 |
| Heat Advisory | 9 |
| Cold | |
| Extreme Cold Warning | 1 |
| Freeze Warning | 1 |
| Cold Weather Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| Lake Wind Advisory | 2 |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
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.