Alert archive / Illinois / 2025
Weather alerts in Illinois, September 2025
73 weather alerts in September 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in September 2025. Tap one for its archive.
- Alerts
- 73
- Warnings
- 19
- Watches
- 1
- Advisories
- 15
- Busiest day
- September 20, 202520 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 3:38 AM CDT | Small Craft Advisory | LOT | 35 hr | |
| Sep 3, 3:03 PM CDT | Gale Watch | LOT | 12 hr | |
| Sep 3, 6:43 PM CDT | Special Weather Statement | ILX | Tazewell | 32 min |
| Sep 3, 7:52 PM CDT | Special Weather Statement | ILX | Christian | 23 min |
| Sep 3, 8:12 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 17 min |
| Sep 3, 10:29 PM CDT | Special Weather Statement | PAH | Edwards, Wabash | 46 min |
| Sep 3, 10:55 PM CDT | Special Weather Statement | PAH | White | 35 min |
| Sep 4, 3:03 AM CDT | Gale Warning | LOT | 31 hr | |
| Sep 5, 9:52 AM CDT | Small Craft Advisory | LOT | 18 hr | |
| Sep 12, 4:14 AM CDT | Dense Fog Advisory | LOT | Lake | 5 hr |
| Sep 13, 7:37 AM CDT | Special Marine Warning | LOT | 38 min | |
| Sep 13, 11:10 AM CDT | Special Weather Statement | LOT | Grundy, Kendall | 35 min |
| Sep 13, 12:00 PM CDT | Special Weather Statement | LOT | Kankakee | 45 min |
| Sep 14, 5:03 AM CDT | Dense Fog Advisory | LOT | Boone, DeKalb, Kane, McHenry, Winnebago | 4 hr |
| Sep 14, 3:12 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Clay, Clinton, Edwards and 32 more | 2 hr |
| Sep 14, 5:01 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown | 37 min |
| Sep 14, 5:17 PM CDT | Special Weather Statement | PAH | Jackson | 43 min |
| Sep 14, 5:32 PM CDT | Special Weather Statement | PAH | Perry | 43 min |
| Sep 14, 6:00 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Union | 32 min |
| Sep 14, 6:53 PM CDT | Special Weather Statement | PAH | Saline | 52 min |
| Sep 19, 5:51 PM CDT | Special Weather Statement | DVN | Whiteside | 24 min |
| Sep 20, 1:07 PM CDT | Areal Flood Advisory | ILX | Sangamon | 113 min |
| Sep 20, 1:26 PM CDT | Special Weather Statement | ILX | DeWitt | 34 min |
| Sep 20, 1:39 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 17 min |
| Sep 20, 1:43 PM CDT | Areal Flood Advisory | LOT | Livingston | 2 hr |
| Sep 20, 1:54 PM CDT | Areal Flood Advisory | ILX | Woodford | 111 min |
| Sep 20, 2:09 PM CDT | Special Weather Statement | ILX | Sangamon | 36 min |
| Sep 20, 2:34 PM CDT | Special Weather Statement | ILX | Christian | 26 min |
| Sep 20, 3:13 PM CDT | Special Weather Statement | ILX | Tazewell | 32 min |
| Sep 20, 3:31 PM CDT | Special Weather Statement | LOT | Grundy | 14 min |
| Sep 20, 3:47 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 28 min |
| Sep 20, 3:48 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 27 min |
| Sep 20, 3:58 PM CDT | Special Weather Statement | LOT | Kendall | 47 min |
| Sep 20, 4:13 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 32 min |
| Sep 20, 4:14 PM CDT | Special Weather Statement | ILX | Christian | 31 min |
| Sep 20, 4:18 PM CDT | Special Weather Statement | LOT | McHenry | 57 min |
| Sep 20, 5:00 PM CDT | Special Weather Statement | PAH | Wayne | 30 min |
| Sep 20, 5:08 PM CDT | Special Weather Statement | ILX | Richland | 37 min |
| Sep 20, 5:31 PM CDT | Special Weather Statement | ILX | Cass | 29 min |
| Sep 20, 5:50 PM CDT | Special Weather Statement | ILX | Richland | 40 min |
| Sep 20, 6:52 PM CDT | Special Weather Statement | PAH | Jefferson | 38 min |
| Sep 20, 7:02 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 28 min |
| Sep 21, 4:16 AM CDT | Dense Fog Advisory | DVN | Hancock, Henderson, McDonough, Warren | 5 hr |
| Sep 21, 6:22 AM CDT | Dense Fog Advisory | ILX | Fulton, Knox, Schuyler | 3 hr |
| Sep 21, 3:25 PM CDT | Special Weather Statement | ILX | McLean | 35 min |
| Sep 21, 3:26 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 34 min |
| Sep 21, 3:26 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 34 min |
| Sep 21, 3:39 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Will | 24 min |
| Sep 21, 3:46 PM CDT | Special Marine Warning | LOT | 119 min | |
| Sep 21, 3:47 PM CDT | Severe Thunderstorm Warning | LOT | Lake, McHenry | 43 min |
| Sep 21, 3:59 PM CDT | Areal Flood Advisory | LOT | Ogle, Winnebago | 2 hr |
| Sep 21, 4:00 PM CDT | Special Weather Statement | ILX | McLean | 45 min |
| Sep 21, 4:06 PM CDT | Special Weather Statement | LOT | Will | 9 min |
| Sep 21, 4:14 PM CDT | Special Weather Statement | LOT | Will | 16 min |
| Sep 21, 4:26 PM CDT | Special Weather Statement | LOT | Will | 19 min |
| Sep 21, 4:37 PM CDT | Special Weather Statement | LOT | Will | 23 min |
| Sep 21, 4:41 PM CDT | Special Marine Warning | LOT | 38 min | |
| Sep 21, 4:43 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Christian, Greene and 10 more | 92 min |
| Sep 21, 5:08 PM CDT | Special Marine Warning | LOT | 82 min | |
| Sep 21, 7:16 PM CDT | Special Weather Statement | ILX | Sangamon | 29 min |
| Sep 21, 7:27 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 33 min |
| Sep 21, 8:34 PM CDT | Special Weather Statement | ILX | DeWitt | 26 min |
| Sep 22, 5:51 PM CDT | Special Weather Statement | PAH | Saline | 39 min |
| Sep 22, 9:03 PM CDT | Special Weather Statement | DVN | Jo Daviess | 57 min |
| Sep 22, 9:11 PM CDT | Dense Fog Advisory | ILX | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 10 more | 13 hr |
| Sep 22, 9:24 PM CDT | Dense Fog Advisory | LSX | Bond, Clinton, Fayette, Marion, Monroe, Randolph and 2 more | 9 hr |
| Sep 23, 12:26 AM CDT | Dense Fog Advisory | PAH | Edwards, Franklin, Gallatin, Hamilton, Jackson, Jefferson and 7 more | 7 hr |
| Sep 23, 12:58 AM CDT | Special Weather Statement | DVN | Hancock, Henderson, Warren | 47 min |
| Sep 23, 1:33 AM CDT | Special Weather Statement | DVN | Hancock, McDonough, Warren | 42 min |
| Sep 23, 3:13 PM CDT | Small Craft Advisory | LOT | 40 hr | |
| Sep 23, 4:56 PM CDT | Beach Hazards Statement | LOT | Cook, Lake | 44 hr |
| Sep 23, 5:05 PM CDT | Areal Flood Advisory | LSX | Fayette | 40 min |
| Sep 23, 5:44 PM CDT | Flash Flood Warning | LSX | Bond, Fayette | 3 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 | 13 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 35 |
| Flooding | |
| Flash Flood Warning | 1 |
| Areal Flood Advisory | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
| Coast and beach | |
| Beach Hazards Statement | 1 |
| Marine | |
| Gale Warning | 1 |
| Special Marine Warning | 4 |
| Gale Watch | 1 |
| Small Craft Advisory | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Will County7
- Christian County6
- Sangamon County5
- Fayette County4
- Jackson County4
- Jefferson County4
- Richland County4
- Saline County4
- Wayne County4
- Shelby County3
- Edwards County3
- Wabash County3
- White County3
- Lake County3
- Grundy County3
- McHenry County3
- Bond County3
- Marion County3
- Montgomery County3
- Perry County3
- Union County3
- Hancock County3
- Warren County3
- Cook County3
- Tazewell County2
- Kendall County2
- Winnebago County2
- Calhoun County2
- Clay County2
- Clinton County2
- Effingham County2
- Franklin County2
- Gallatin County2
- Greene County2
- Hamilton County2
- Jasper County2
- Jersey County2
- Lawrence County2
- Macoupin County2
- Madison County2
44 more counties
- Monroe County2
- Randolph County2
- Saint Clair County2
- Washington County2
- Williamson County2
- Adams County2
- Brown County2
- DeWitt County2
- Cass County2
- Henderson County2
- McDonough County2
- Schuyler County2
- McLean County2
- Kankakee County1
- Boone County1
- DeKalb County1
- Kane County1
- Alexander County1
- Hardin County1
- Johnson County1
- Massac County1
- Pope County1
- Pulaski County1
- Whiteside County1
- Livingston County1
- Woodford County1
- Fulton County1
- Knox County1
- Ogle County1
- Menard County1
- Morgan County1
- Pike County1
- Scott County1
- Jo Daviess County1
- Champaign County1
- Clark County1
- Coles County1
- Crawford County1
- Cumberland County1
- Douglas County1
- Edgar County1
- Moultrie County1
- Piatt County1
- Vermilion County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.