Alert archive / Illinois / 2022
Weather alerts in Illinois, September 2022
160 weather alerts in September 2022, 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 2022. Tap one for its archive.
- Alerts
- 160
- Warnings
- 74
- Watches
- 11
- Advisories
- 36
- Busiest day
- September 19, 202261 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 2, 2:52 PM CDT | Small Craft Advisory | LOT | 60 hr | |
| Sep 2, 2:53 PM CDT | Beach Hazards Statement | LOT | Cook, Lake | 67 hr |
| Sep 3, 3:28 AM CDT | Dense Fog Advisory | LSX | Adams, Brown, Pike | 5 hr |
| Sep 3, 1:06 PM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 2 more | 2 hr |
| Sep 3, 4:16 PM CDT | Special Weather Statement | DVN | Whiteside | 29 min |
| Sep 3, 4:32 PM CDT | Special Weather Statement | DVN | Whiteside | 28 min |
| Sep 3, 5:21 PM CDT | Special Weather Statement | DVN | Henry, Rock Island | 24 min |
| Sep 3, 5:51 PM CDT | Special Weather Statement | DVN | Henry | 39 min |
| Sep 3, 5:59 PM CDT | Special Weather Statement | ILX | Knox | 31 min |
| Sep 3, 6:25 PM CDT | Special Weather Statement | ILX | Knox | 20 min |
| Sep 3, 6:30 PM CDT | Special Weather Statement | DVN | Knox | 30 min |
| Sep 3, 6:43 PM CDT | Special Weather Statement | ILX | Knox | 17 min |
| Sep 3, 7:34 PM CDT | Special Weather Statement | DVN | Henderson, Warren | 41 min |
| Sep 3, 7:50 PM CDT | Flash Flood Warning | DVN | Henderson | 111 min |
| Sep 3, 11:18 PM CDT | Flash Flood Warning | ILX | Macon | 3 hr |
| Sep 3, 11:43 PM CDT | Areal Flood Advisory | LSX | Washington | 4 hr |
| Sep 4, 3:28 AM CDT | Areal Flood Advisory | LSX | Bond, Clinton | 56 min |
| Sep 4, 4:24 AM CDT | Flash Flood Warning | LSX | Bond, Clinton | 3 hr |
| Sep 4, 5:52 AM CDT | Areal Flood Advisory | LSX | Clinton, Saint Clair | 3 hr |
| Sep 4, 7:20 AM CDT | Flash Flood Warning | PAH | Jefferson | 3 hr |
| Sep 4, 8:17 AM CDT | Areal Flood Advisory | LSX | Montgomery | 51 min |
| Sep 4, 9:06 AM CDT | Flash Flood Warning | LSX | Montgomery | 5 hr |
| Sep 4, 3:07 PM CDT | Flash Flood Warning | ILX | Macon | 3 hr |
| Sep 4, 5:38 PM CDT | Areal Flood Advisory | PAH | Pope, Saline | 3 hr |
| Sep 4, 7:57 PM CDT | Areal Flood Advisory | PAH | Massac | 2 hr |
| Sep 5, 3:30 AM CDT | Areal Flood Advisory | LSX | Marion | 3 hr |
| Sep 5, 2:19 PM CDT | Areal Flood Advisory | PAH | Edwards, Wabash | 118 min |
| Sep 6, 2:27 AM CDT | Dense Fog Advisory | ILX | Knox | 5 hr |
| Sep 6, 2:31 AM CDT | Dense Fog Advisory | DVN | Hancock, Henderson, Henry, McDonough, Mercer, Rock Island and 1 more | 6 hr |
| Sep 7, 4:27 AM CDT | Dense Fog Advisory | LOT | Boone, DeKalb, Kane, McHenry | 5 hr |
| Sep 10, 3:58 AM CDT | Small Craft Advisory | LOT | 54 hr | |
| Sep 10, 4:09 AM CDT | Beach Hazards Statement | LOT | Cook, Lake | 59 hr |
| Sep 11, 2:37 AM CDT | Flood Watch | DVN | Carroll, Jo Daviess, Stephenson | 28 hr |
| Sep 11, 2:38 AM CDT | Flood Watch | LOT | Boone, Cook, DeKalb, DuPage, Kane, Kendall and 6 more | 31 hr |
| Sep 11, 5:15 AM CDT | Areal Flood Advisory | LOT | Lee, Ogle, Winnebago | 108 min |
| Sep 11, 6:03 AM CDT | Special Weather Statement | LOT | LaSalle | 27 min |
| Sep 11, 6:28 AM CDT | Special Weather Statement | LOT | Kendall | 32 min |
| Sep 11, 7:03 AM CDT | Areal Flood Warning | LOT | Boone, DeKalb, Lee, McHenry, Ogle, Winnebago | 10 hr |
| Sep 11, 7:17 AM CDT | Special Weather Statement | LOT | DuPage | 58 min |
| Sep 11, 7:56 AM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Kane, Kendall, Will | 113 min |
| Sep 11, 8:34 AM CDT | River Flood Watch | DVN | Stephenson | 49 hr |
| Sep 11, 8:35 AM CDT | River Flood Watch | DVN | Henry, Rock Island, Whiteside | 25 hr |
| Sep 11, 8:41 AM CDT | River Flood Watch | LOT | Winnebago | 25 hr |
| Sep 11, 9:11 AM CDT | Flash Flood Warning | LOT | Cook, DuPage, Will | 3 hr |
| Sep 11, 9:43 AM CDT | Special Marine Warning | LOT | 62 min | |
| Sep 11, 10:34 AM CDT | Areal Flood Warning | LOT | DeKalb, Kendall, LaSalle, McHenry, Ogle | 6 hr |
| Sep 11, 10:46 AM CDT | Areal Flood Advisory | LOT | Cook | 3 hr |
| Sep 11, 12:14 PM CDT | Areal Flood Warning | LOT | Cook | 4 hr |
| Sep 11, 1:34 PM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Kane, Lake, McHenry | 3 hr |
| Sep 11, 2:19 PM CDT | Areal Flood Advisory | LOT | Cook, Lake | 3 hr |
| Sep 11, 3:38 PM CDT | Areal Flood Warning | LOT | Lake, McHenry | 9 hr |
| Sep 11, 3:54 PM CDT | Areal Flood Warning | LOT | Cook | 9 hr |
| Sep 11, 4:01 PM CDT | River Flood Warning | LOT | Winnebago | 17 hr |
| Sep 11, 4:35 PM CDT | Areal Flood Warning | LOT | Boone, Winnebago | 6 hr |
| Sep 11, 4:40 PM CDT | Special Marine Warning | LOT | 50 min | |
| Sep 11, 4:55 PM CDT | Beach Hazards Statement | LOT | Cook | 4 hr |
| Sep 11, 10:01 PM CDT | River Flood Watch | LOT | Cook, Lake | 21 days |
| Sep 11, 10:04 PM CDT | River Flood Watch | LOT | Cook | 21 days |
| Sep 12, 1:33 PM CDT | Special Marine Warning | LOT | 3 hr | |
| Sep 12, 9:10 PM CDT | Small Craft Advisory | LOT | 18 hr | |
| Sep 15, 2:36 AM CDT | Dense Fog Advisory | LOT | Cook, DeKalb, DuPage, Ford, Grundy, Iroquois and 8 more | 6 hr |
| Sep 15, 3:44 AM CDT | Dense Fog Advisory | DVN | Bureau, Carroll, Jo Daviess, Putnam, Stephenson, Whiteside | 5 hr |
| Sep 18, 2:30 AM CDT | Special Weather Statement | DVN | Hancock | 45 min |
| Sep 18, 11:31 AM CDT | Flood Watch | DVN | Hancock | 16 hr |
| Sep 18, 3:56 PM CDT | Mesoscale Discussion | SPC | Hancock, Henderson | 2 hr |
| Sep 18, 6:11 PM CDT | Tornado Watch | SPC | Adams, Hancock, Henderson, McDonough, Mercer, Rock Island and 1 more | 6 hr |
| Sep 18, 8:18 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry | 42 min |
| Sep 18, 8:24 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Stark | 36 min |
| Sep 18, 8:41 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 12 more | 3 hr |
| Sep 18, 9:15 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Rock Island | 45 min |
| Sep 18, 9:28 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Bureau, Cass, Champaign, Christian, Coles and 42 more | 7 hr |
| Sep 18, 9:29 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 15 min |
| Sep 18, 9:35 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, LaSalle, Lee | 37 min |
| Sep 18, 9:37 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 53 min |
| Sep 18, 9:47 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 28 min |
| Sep 18, 9:47 PM CDT | Tornado Warning | DVN | Hancock | 28 min |
| Sep 18, 9:52 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 53 min |
| Sep 18, 9:56 PM CDT | Tornado Warning | LSX | Adams | 36 min |
| Sep 18, 10:01 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 32 min |
| Sep 18, 10:11 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry | 34 min |
| Sep 18, 10:14 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Stark | 46 min |
| Sep 18, 10:30 PM CDT | Tornado Warning | DVN | Bureau, Putnam | 15 min |
| Sep 18, 10:30 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Peoria, Tazewell, Woodford | 30 min |
| Sep 18, 10:32 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 58 min |
| Sep 18, 10:39 PM CDT | Tornado Warning | ILX | Marshall | 36 min |
| Sep 18, 10:40 PM CDT | Special Weather Statement | LOT | DuPage, Kane | 50 min |
| Sep 18, 10:43 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane | 47 min |
| Sep 18, 10:46 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Peoria, Stark, Woodford | 44 min |
| Sep 18, 10:46 PM CDT | Special Marine Warning | LOT | 89 min | |
| Sep 18, 10:55 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Pike | 50 min |
| Sep 18, 10:58 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Peoria, Tazewell, Woodford | 32 min |
| Sep 18, 11:00 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan, Scott | 30 min |
| Sep 18, 11:04 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 41 min |
| Sep 18, 11:25 PM CDT | Special Weather Statement | LOT | Cook | 35 min |
| Sep 18, 11:26 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Marshall, Woodford | 34 min |
| Sep 18, 11:27 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 33 min |
| Sep 18, 11:28 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 30 more | 2 hr |
| Sep 18, 11:32 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 19 min |
| Sep 18, 11:33 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 42 min |
| Sep 18, 11:41 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 34 min |
| Sep 19, 12:00 AM CDT | Severe Thunderstorm Warning | ILX | McLean, Tazewell, Woodford | 30 min |
| Sep 19, 12:09 AM CDT | Special Marine Warning | LOT | 96 min | |
| Sep 19, 12:10 AM CDT | Severe Thunderstorm Warning | ILX | Champaign, DeWitt, McLean, Piatt | 50 min |
| Sep 19, 12:16 AM CDT | Special Weather Statement | LOT | Kankakee | 59 min |
| Sep 19, 12:29 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Fulton, Mason, Menard, Schuyler | 46 min |
| Sep 19, 12:34 AM CDT | Tornado Warning | ILX | DeWitt, McLean, Piatt | 26 min |
| Sep 19, 12:36 AM CDT | Severe Thunderstorm Warning | LSX | Brown | 24 min |
| Sep 19, 12:45 AM CDT | Areal Flood Advisory | ILX | McLean | 2 hr |
| Sep 19, 12:49 AM CDT | Severe Thunderstorm Warning | DVN | Hancock | 56 min |
| Sep 19, 12:50 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan, Schuyler | 25 min |
| Sep 19, 12:54 AM CDT | Severe Thunderstorm Warning | ILX | Champaign, DeWitt, McLean, Piatt | 51 min |
| Sep 19, 12:56 AM CDT | Special Weather Statement | LOT | Ford | 64 min |
| Sep 19, 1:15 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan, Sangamon, Scott | 45 min |
| Sep 19, 1:21 AM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas, Edgar, Vermilion | 39 min |
| Sep 19, 1:41 AM CDT | Severe Thunderstorm Warning | DVN | Hancock | 14 min |
| Sep 19, 1:41 AM CDT | Areal Flood Advisory | ILX | Champaign | 2 hr |
| Sep 19, 1:47 AM CDT | Areal Flood Advisory | ILX | Morgan | 118 min |
| Sep 19, 1:47 AM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 43 min |
| Sep 19, 1:53 AM CDT | Severe Thunderstorm Warning | ILX | Champaign, Coles, Douglas, Edgar, Vermilion | 52 min |
| Sep 19, 1:58 AM CDT | Mesoscale Discussion | SPC | Brown, Cass, Champaign, Christian, Clark, Coles and 25 more | 92 min |
| Sep 19, 2:21 AM CDT | Special Weather Statement | LOT | Ford | 54 min |
| Sep 19, 2:23 AM CDT | Severe Thunderstorm Warning | DVN | Hancock, McDonough | 52 min |
| Sep 19, 2:37 AM CDT | Special Weather Statement | ILX | Morgan | 23 min |
| Sep 19, 3:52 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Mason, Schuyler | 38 min |
| Sep 19, 4:28 AM CDT | Special Weather Statement | ILX | Clay, Effingham, Jasper, Richland | 32 min |
| Sep 19, 5:19 AM CDT | Flash Flood Warning | ILX | Christian, Menard, Sangamon | 2 hr |
| Sep 19, 5:55 AM CDT | Special Weather Statement | ILX | Richland | 35 min |
| Sep 20, 4:02 AM CDT | Small Craft Advisory | LOT | 24 hr | |
| Sep 20, 12:22 PM CDT | Beach Hazards Statement | LOT | Cook, Lake | 7 hr |
| Sep 20, 2:31 PM CDT | Special Weather Statement | DVN | Jo Daviess | 44 min |
| Sep 20, 3:27 PM CDT | Special Weather Statement | LOT | Winnebago | 48 min |
| Sep 20, 3:34 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, Kane, Kendall, Lee and 4 more | 116 min |
| Sep 20, 3:45 PM CDT | Severe Thunderstorm Warning | LOT | Boone, Winnebago | 60 min |
| Sep 20, 4:29 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane, McHenry | 76 min |
| Sep 20, 4:37 PM CDT | Severe Thunderstorm Warning | LOT | Boone, DeKalb, Ogle, Winnebago | 23 min |
| Sep 20, 4:54 PM CDT | Severe Thunderstorm Watch | SPC | Cook, DeKalb, DuPage, Kane, Kendall, Lake and 2 more | 2 hr |
| Sep 20, 5:22 PM CDT | Special Weather Statement | LOT | Kane | 38 min |
| Sep 20, 5:31 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Lake | 59 min |
| Sep 20, 5:34 PM CDT | Severe Thunderstorm Warning | LOT | DuPage, Kane | 56 min |
| Sep 20, 5:57 PM CDT | Special Marine Warning | LOT | 2 hr | |
| Sep 20, 6:14 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Will | 51 min |
| Sep 20, 6:16 PM CDT | Special Weather Statement | LOT | Cook | 44 min |
| Sep 21, 4:02 AM CDT | Small Craft Advisory | LOT | 48 hr | |
| Sep 21, 4:04 AM CDT | Beach Hazards Statement | LOT | Cook, Lake | 48 hr |
| Sep 21, 10:35 AM CDT | Flash Flood Warning | DVN | Hancock | 4 hr |
| Sep 21, 11:25 AM CDT | Special Weather Statement | DVN | McDonough | 35 min |
| Sep 21, 11:36 AM CDT | Special Weather Statement | ILX | Fulton | 24 min |
| Sep 24, 3:02 AM CDT | Dense Fog Advisory | DVN | Hancock, Henderson, McDonough, Warren | 7 hr |
| Sep 24, 3:07 PM CDT | Small Craft Advisory | LOT | 4 days | |
| Sep 24, 3:08 PM CDT | Beach Hazards Statement | LOT | Cook, Lake | 4 days |
| Sep 25, 6:24 PM CDT | Special Marine Warning | LOT | 3 hr | |
| Sep 25, 6:42 PM CDT | Severe Thunderstorm Warning | LOT | Lake, McHenry | 46 min |
| Sep 25, 7:10 PM CDT | Special Marine Warning | LOT | 2 hr | |
| Sep 27, 1:39 PM CDT | Frost Advisory | LSX | Adams, Brown | 18 hr |
| Sep 27, 1:53 PM CDT | Frost Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 18 hr |
| Sep 27, 2:04 PM CDT | Frost Advisory | ILX | Cass, DeWitt, Fulton, Knox, Logan, McLean and 11 more | 18 hr |
| Sep 27, 2:44 PM CDT | Frost Advisory | LOT | DeKalb, LaSalle, Lee, Ogle, Winnebago | 15 hr |
| Sep 28, 3:00 PM CDT | Frost Advisory | DVN | Bureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more | 16 hr |
| Sep 28, 3:01 PM CDT | Frost Advisory | ILX | Knox, Marshall, Stark | 16 hr |
| Sep 28, 3:11 PM CDT | Frost Advisory | LOT | Boone, DeKalb, LaSalle, Lee, McHenry, Ogle and 1 more | 16 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 | 45 |
| Tornado Warning | 5 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 6 |
| Special Weather Statement | 27 |
| Flooding | |
| Areal Flood Warning | 6 |
| Flash Flood Warning | 9 |
| River Flood Warning | 1 |
| Flood Watch | 3 |
| River Flood Watch | 5 |
| Areal Flood Advisory | 16 |
| Cold | |
| Frost Advisory | 7 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
| Coast and beach | |
| Beach Hazards Statement | 6 |
| Marine | |
| Special Marine Warning | 8 |
| Small Craft Advisory | 6 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cook County23
- Hancock County16
- Lake County13
- Henry County12
- DeKalb County12
- Kane County12
- DuPage County12
- Winnebago County12
- McLean County12
- McHenry County11
- Adams County10
- Knox County10
- Cass County10
- Morgan County10
- Rock Island County9
- Henderson County9
- McDonough County9
- Lee County9
- Ogle County9
- Marshall County9
- Brown County8
- Boone County8
- Kendall County8
- Fulton County8
- Schuyler County8
- Tazewell County8
- Woodford County8
- Whiteside County7
- Warren County7
- Will County7
- LaSalle County7
- Bureau County7
- Stark County7
- Mason County7
- Menard County7
- Peoria County7
- Champaign County7
- DeWitt County7
- Scott County7
- Montgomery County6
50 more counties
- Stephenson County6
- Piatt County6
- Sangamon County6
- Pike County5
- Macon County5
- Mercer County5
- Carroll County5
- Jo Daviess County5
- Ford County5
- Putnam County5
- Livingston County4
- Christian County4
- Douglas County4
- Edgar County4
- Logan County4
- Macoupin County4
- Vermilion County4
- Bond County3
- Clinton County3
- Kankakee County3
- Coles County3
- Effingham County3
- Fayette County3
- Moultrie County3
- Shelby County3
- Massac County2
- Pope County2
- Saline County2
- Grundy County2
- Iroquois County2
- Cumberland County2
- Greene County2
- Richland County2
- Alexander County1
- Gallatin County1
- Hardin County1
- Johnson County1
- Pulaski County1
- Washington County1
- Saint Clair County1
- Jefferson County1
- Marion County1
- Edwards County1
- Wabash County1
- Calhoun County1
- Jersey County1
- Madison County1
- Clark County1
- Clay County1
- Jasper County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20212023
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.