Alert archive / Illinois / 2020
Weather alerts in Illinois, August 2020
198 weather alerts in August 2020, 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 August 2020. Tap one for its archive.
- Alerts
- 198
- Warnings
- 86
- Watches
- 10
- Advisories
- 33
- Busiest day
- August 10, 202058 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 |
|---|---|---|---|---|
| Jul 31, 9:34 PM CDT | River Flood Warning | ILX | Lawrence | 6 days |
| Aug 2, 3:25 AM CDT | Beach Hazards Statement | LOT | Cook, Lake | 3 days |
| Aug 2, 3:33 AM CDT | Small Craft Advisory | LOT | 3 days | |
| Aug 2, 2:13 PM CDT | Special Weather Statement | LOT | Lee | 47 min |
| Aug 2, 2:48 PM CDT | Special Weather Statement | DVN | Mercer | 27 min |
| Aug 2, 3:16 PM CDT | Lakeshore Flood Advisory | LOT | Cook, Lake | 54 hr |
| Aug 2, 3:30 PM CDT | Special Weather Statement | DVN | Warren | 30 min |
| Aug 2, 3:55 PM CDT | Special Marine Warning | LOT | 65 min | |
| Aug 2, 3:58 PM CDT | Special Weather Statement | DVN | Whiteside | 32 min |
| Aug 2, 4:38 PM CDT | Special Weather Statement | LOT | Cook | 37 min |
| Aug 2, 4:42 PM CDT | Special Marine Warning | LOT | 74 min | |
| Aug 2, 5:12 PM CDT | Special Weather Statement | DVN | McDonough | 33 min |
| Aug 2, 5:14 PM CDT | Areal Flood Advisory | LOT | Cook | 2 hr |
| Aug 2, 5:14 PM CDT | Special Weather Statement | LOT | Cook | 31 min |
| Aug 2, 5:29 PM CDT | Special Marine Warning | LOT | 67 min | |
| Aug 2, 8:49 PM CDT | River Flood Warning | IND | Wabash | 24 hr |
| Aug 2, 8:49 PM CDT | River Flood Warning | IND | Wabash | 42 hr |
| Aug 2, 11:20 PM CDT | Special Marine Warning | LOT | 39 min | |
| Aug 3, 1:00 AM CDT | Special Marine Warning | LOT | 90 min | |
| Aug 3, 3:44 AM CDT | Special Marine Warning | LOT | 61 min | |
| Aug 3, 7:12 AM CDT | Special Marine Warning | LOT | 2 hr | |
| Aug 3, 12:48 PM CDT | Special Weather Statement | PAH | Edwards, Wabash, Wayne | 57 min |
| Aug 3, 12:55 PM CDT | Areal Flood Advisory | PAH | Wayne | 2 hr |
| Aug 3, 2:19 PM CDT | Areal Flood Warning | ILX | Crawford | 3 hr |
| Aug 3, 4:20 PM CDT | Areal Flood Warning | ILX | Clay | 3 hr |
| Aug 3, 4:30 PM CDT | Special Weather Statement | PAH | Alexander | 45 min |
| Aug 3, 4:36 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 22 min |
| Aug 3, 5:11 PM CDT | Special Weather Statement | PAH | Union | 49 min |
| Aug 3, 5:45 PM CDT | Areal Flood Advisory | PAH | Union | 3 hr |
| Aug 8, 2:18 PM CDT | Flash Flood Watch | LSX | Bond, Calhoun, Clinton, Greene, Jersey, Macoupin and 7 more | 20 hr |
| Aug 9, 12:01 AM CDT | Flash Flood Warning | LSX | Calhoun | 6 hr |
| Aug 9, 2:41 AM CDT | Flash Flood Warning | LSX | Madison, Monroe, Saint Clair | 6 hr |
| Aug 9, 7:28 AM CDT | Areal Flood Advisory | PAH | Hamilton, White | 2 hr |
| Aug 9, 9:55 AM CDT | Areal Flood Advisory | LSX | Madison, Saint Clair | 3 hr |
| Aug 9, 10:06 AM CDT | Flash Flood Warning | LSX | Madison | 4 hr |
| Aug 9, 10:23 AM CDT | Flash Flood Warning | LSX | Saint Clair | 4 hr |
| Aug 9, 1:30 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Jo Daviess, Ogle, Stephenson, Winnebago | 2 hr |
| Aug 9, 1:54 PM CDT | Heat Advisory | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more | 29 hr |
| Aug 9, 1:58 PM CDT | Heat Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 29 hr |
| Aug 9, 2:07 PM CDT | Areal Flood Warning | LSX | Saint Clair | 3 hr |
| Aug 9, 5:17 PM CDT | Special Weather Statement | LOT | Winnebago | 43 min |
| Aug 9, 5:23 PM CDT | Special Weather Statement | DVN | Stephenson | 7 min |
| Aug 9, 6:26 PM CDT | Special Weather Statement | LOT | Boone, McHenry | 64 min |
| Aug 9, 7:07 PM CDT | Special Weather Statement | LOT | Lake | 53 min |
| Aug 10, 10:42 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Champaign, Cook, DeKalb and 36 more | 93 min |
| Aug 10, 11:26 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 33 more | 7 hr |
| Aug 10, 12:14 PM CDT | Mesoscale Discussion | SPC | Rock Island | 91 min |
| Aug 10, 12:34 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 56 min |
| Aug 10, 12:42 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Mercer, Rock Island, Warren | 48 min |
| Aug 10, 1:15 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Carroll, Henry, Mercer, Rock Island, Whiteside | 60 min |
| Aug 10, 1:20 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess, Stephenson | 55 min |
| Aug 10, 1:23 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 1 more | 52 min |
| Aug 10, 1:33 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox, Peoria, Stark | 57 min |
| Aug 10, 1:36 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 20 more | 114 min |
| Aug 10, 1:41 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, McDonough | 49 min |
| Aug 10, 1:41 PM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle, Winnebago | 94 min |
| Aug 10, 1:57 PM CDT | Special Marine Warning | LOT | 3 hr | |
| Aug 10, 2:00 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry, Putnam | 60 min |
| Aug 10, 2:03 PM CDT | Beach Hazards Statement | LOT | Cook | 23 hr |
| Aug 10, 2:03 PM CDT | Severe Thunderstorm Warning | LOT | Boone, DeKalb, LaSalle | 87 min |
| Aug 10, 2:04 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess, Stephenson | 26 min |
| Aug 10, 2:15 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess, Rock Island, Stephenson, Whiteside | 30 min |
| Aug 10, 2:15 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, McLean, Marshall, Peoria, Stark, Tazewell and 1 more | 60 min |
| Aug 10, 2:24 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kane, Kendall, McHenry | 96 min |
| Aug 10, 2:25 PM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 20 min |
| Aug 10, 2:38 PM CDT | Mesoscale Discussion | SPC | Adams, Alexander, Bond, Brown, Calhoun, Cass and 42 more | 2 hr |
| Aug 10, 2:43 PM CDT | Tornado Warning | LOT | Boone, Winnebago | 62 min |
| Aug 10, 2:47 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 58 min |
| Aug 10, 2:50 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, McLean, Mason, Tazewell | 40 min |
| Aug 10, 2:55 PM CDT | Tornado Warning | LOT | Boone | 34 min |
| Aug 10, 2:56 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kankakee, Lake, Will | 49 min |
| Aug 10, 2:58 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 37 more | 6 hr |
| Aug 10, 3:11 PM CDT | Tornado Warning | LOT | DeKalb, Kane, Kendall, LaSalle | 34 min |
| Aug 10, 3:21 PM CDT | Areal Flood Advisory | LOT | Boone, Winnebago | 3 hr |
| Aug 10, 3:25 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois | 65 min |
| Aug 10, 3:26 PM CDT | Tornado Warning | LOT | DuPage, Will | 34 min |
| Aug 10, 3:31 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 89 min |
| Aug 10, 3:32 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kankakee, Lake, Will | 43 min |
| Aug 10, 3:36 PM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more | 84 min |
| Aug 10, 3:43 PM CDT | Tornado Warning | LOT | Cook, DuPage | 26 min |
| Aug 10, 3:44 PM CDT | Tornado Warning | LOT | Lake, McHenry | 47 min |
| Aug 10, 3:50 PM CDT | Special Weather Statement | ILX | Cass, Christian, DeWitt, Logan, McLean, Macon and 5 more | 40 min |
| Aug 10, 4:23 PM CDT | High Wind Warning | LOT | Boone, Cook, DeKalb, DuPage, Grundy, Kane and 10 more | 90 min |
| Aug 10, 4:29 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Christian, Coles, Douglas, Effingham, Macon and 3 more | 46 min |
| Aug 10, 4:49 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 21 min |
| Aug 10, 4:53 PM CDT | Special Marine Warning | LOT | 85 min | |
| Aug 10, 4:55 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Coles, Edgar | 50 min |
| Aug 10, 4:56 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey, Macoupin, Madison | 49 min |
| Aug 10, 5:16 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Coles, Crawford, Cumberland, Effingham, Jasper and 1 more | 44 min |
| Aug 10, 5:16 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey, Macoupin, Madison, Monroe, Saint Clair | 59 min |
| Aug 10, 5:17 PM CDT | Mesoscale Discussion | SPC | Bond, Christian, Clark, Clay, Clinton, Coles and 29 more | 118 min |
| Aug 10, 5:19 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette, Montgomery | 41 min |
| Aug 10, 5:46 PM CDT | Severe Thunderstorm Warning | ILX | Clark | 16 min |
| Aug 10, 5:59 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Madison, Monroe, Randolph, Saint Clair, Washington | 61 min |
| Aug 10, 6:08 PM CDT | Small Craft Advisory | LOT | 10 hr | |
| Aug 10, 6:10 PM CDT | Special Weather Statement | ILX | Clay, Crawford, Jasper, Lawrence, Richland | 50 min |
| Aug 10, 6:24 PM CDT | Areal Flood Advisory | LSX | Calhoun, Jersey, Madison, Monroe, Saint Clair | 3 hr |
| Aug 10, 6:31 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 5 hr |
| Aug 10, 6:49 PM CDT | Severe Thunderstorm Warning | PAH | Perry | 56 min |
| Aug 10, 6:56 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Washington | 34 min |
| Aug 10, 6:58 PM CDT | Special Weather Statement | PAH | Edwards, Jefferson, Wabash, Wayne | 47 min |
| Aug 10, 7:04 PM CDT | Areal Flood Advisory | LSX | Bond, Clinton, Madison | 3 hr |
| Aug 10, 7:11 PM CDT | Severe Thunderstorm Warning | PAH | Franklin, Jefferson | 49 min |
| Aug 10, 7:29 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Clinton, Crawford, Edwards, Effingham and 24 more | 91 min |
| Aug 10, 7:31 PM CDT | Severe Thunderstorm Warning | PAH | Hamilton, Wayne | 44 min |
| Aug 10, 7:36 PM CDT | Severe Thunderstorm Warning | PAH | Franklin, Jackson, Williamson | 39 min |
| Aug 10, 8:00 PM CDT | Special Weather Statement | PAH | Gallatin, Hardin, Johnson, Pope, Saline, Union and 1 more | 60 min |
| Aug 10, 8:17 PM CDT | Special Weather Statement | PAH | Alexander, Pulaski | 43 min |
| Aug 10, 8:51 PM CDT | Special Weather Statement | PAH | Massac | 54 min |
| Aug 11, 7:25 AM CDT | River Flood Watch | MKX | Lake | 18 hr |
| Aug 12, 5:15 AM CDT | River Flood Warning | MKX | Lake | 5 hr |
| Aug 12, 9:41 AM CDT | Flash Flood Warning | LSX | Madison, Saint Clair | 5 hr |
| Aug 12, 10:19 AM CDT | Flash Flood Warning | LSX | Madison, Saint Clair | 4 hr |
| Aug 12, 11:18 AM CDT | Flash Flood Warning | LSX | Monroe, Randolph, Saint Clair | 3 hr |
| Aug 12, 11:33 AM CDT | Flash Flood Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 12 more | 7 hr |
| Aug 12, 11:42 AM CDT | Flash Flood Warning | PAH | Jackson | 3 hr |
| Aug 12, 11:47 AM CDT | Flash Flood Warning | LSX | Clinton, Randolph, Saint Clair, Washington | 6 hr |
| Aug 12, 12:06 PM CDT | Flash Flood Warning | PAH | Perry | 3 hr |
| Aug 12, 2:57 PM CDT | Areal Flood Warning | LSX | Saint Clair | 3 hr |
| Aug 12, 3:08 PM CDT | Areal Flood Advisory | PAH | Johnson | 76 min |
| Aug 12, 3:18 PM CDT | Special Weather Statement | PAH | Hamilton | 27 min |
| Aug 12, 3:43 PM CDT | Areal Flood Advisory | PAH | Hamilton, White | 2 hr |
| Aug 12, 5:24 PM CDT | Areal Flood Advisory | PAH | Gallatin | 85 min |
| Aug 13, 9:49 AM CDT | Flash Flood Watch | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more | 9 hr |
| Aug 13, 10:56 AM CDT | Flash Flood Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 12 more | 9 hr |
| Aug 13, 12:17 PM CDT | Flash Flood Warning | LSX | Monroe, Randolph, Saint Clair | 6 hr |
| Aug 13, 1:24 PM CDT | Flash Flood Warning | PAH | Franklin | 2 hr |
| Aug 13, 2:14 PM CDT | Areal Flood Advisory | PAH | Hamilton | 84 min |
| Aug 13, 3:55 PM CDT | Areal Flood Advisory | PAH | Jackson | 78 min |
| Aug 13, 5:33 PM CDT | Special Weather Statement | PAH | Massac | 27 min |
| Aug 13, 5:43 PM CDT | Areal Flood Advisory | PAH | Massac | 90 min |
| Aug 14, 4:01 PM CDT | Special Weather Statement | PAH | Alexander | 44 min |
| Aug 14, 5:00 PM CDT | Special Weather Statement | ILX | Lawrence | 45 min |
| Aug 15, 8:37 AM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 23 min |
| Aug 15, 9:00 AM CDT | Special Weather Statement | DVN | Stephenson | 60 min |
| Aug 15, 10:34 AM CDT | Special Weather Statement | DVN | Mercer, Warren | 41 min |
| Aug 15, 2:00 PM CDT | Mesoscale Discussion | SPC | Monroe, Randolph | 2 hr |
| Aug 15, 4:40 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Cass, Champaign, Christian, Coles and 37 more | 95 min |
| Aug 15, 4:54 PM CDT | Special Weather Statement | ILX | Menard | 36 min |
| Aug 15, 5:45 PM CDT | Special Weather Statement | ILX | Sangamon | 45 min |
| Aug 15, 9:15 PM CDT | Areal Flood Advisory | LSX | Monroe, Saint Clair | 3 hr |
| Aug 15, 9:19 PM CDT | Flash Flood Warning | LSX | Monroe, Saint Clair | 3 hr |
| Aug 15, 9:41 PM CDT | Small Craft Advisory | LOT | 18 hr | |
| Aug 17, 3:21 AM CDT | Small Craft Advisory | LOT | 43 hr | |
| Aug 17, 3:41 AM CDT | Beach Hazards Statement | LOT | Cook, Lake | 48 hr |
| Aug 17, 3:51 PM CDT | Special Weather Statement | DVN | Putnam | 24 min |
| Aug 17, 3:51 PM CDT | Special Weather Statement | LOT | Livingston | 114 min |
| Aug 17, 4:05 PM CDT | Special Weather Statement | ILX | Woodford | 115 min |
| Aug 18, 3:06 PM CDT | Areal Flood Advisory | PAH | White | 114 min |
| Aug 22, 3:25 AM CDT | Dense Fog Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 6 hr |
| Aug 23, 4:08 AM CDT | Dense Fog Advisory | PAH | Alexander, Franklin, Gallatin, Hamilton, Hardin, Johnson and 7 more | 5 hr |
| Aug 23, 6:50 AM CDT | Special Weather Statement | DVN | Rock Island | 55 min |
| Aug 23, 7:11 AM CDT | Special Weather Statement | DVN | Hancock | 49 min |
| Aug 23, 1:17 PM CDT | Special Weather Statement | ILX | Peoria | 13 min |
| Aug 23, 3:41 PM CDT | Special Weather Statement | LOT | Lake | 49 min |
| Aug 23, 3:43 PM CDT | Special Weather Statement | DVN | McDonough | 32 min |
| Aug 23, 3:48 PM CDT | Special Marine Warning | LOT | 82 min | |
| Aug 23, 4:15 PM CDT | Special Weather Statement | ILX | Fulton | 45 min |
| Aug 23, 4:32 PM CDT | Special Weather Statement | LOT | Lake | 28 min |
| Aug 23, 4:44 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Lake | 46 min |
| Aug 23, 5:24 PM CDT | Areal Flood Advisory | LOT | Cook | 2 hr |
| Aug 23, 7:33 PM CDT | Special Weather Statement | LOT | DuPage | 42 min |
| Aug 23, 7:35 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 23 min |
| Aug 23, 7:52 PM CDT | Areal Flood Advisory | LOT | Cook | 113 min |
| Aug 24, 12:18 PM CDT | Heat Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 7 hr |
| Aug 24, 10:55 PM CDT | Mesoscale Discussion | SPC | Boone, McHenry | 2 hr |
| Aug 25, 1:20 AM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry | 30 min |
| Aug 25, 2:57 AM CDT | Special Weather Statement | LOT | Boone, McHenry | 48 min |
| Aug 25, 3:07 AM CDT | Heat Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 16 hr |
| Aug 25, 3:09 AM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry | 51 min |
| Aug 25, 3:13 AM CDT | Special Weather Statement | LOT | Lake | 47 min |
| Aug 25, 3:25 AM CDT | Special Marine Warning | LOT | 2 hr | |
| Aug 25, 3:53 AM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane, Lake, McHenry | 54 min |
| Aug 25, 4:39 AM CDT | Special Weather Statement | LOT | Cook | 36 min |
| Aug 25, 5:51 AM CDT | Special Marine Warning | LOT | 84 min | |
| Aug 25, 6:45 AM CDT | Special Marine Warning | LOT | 90 min | |
| Aug 25, 3:32 PM CDT | Flash Flood Warning | LOT | Boone, DeKalb, Ogle, Winnebago | 3 min |
| Aug 26, 3:04 AM CDT | Dense Fog Advisory | ILX | Clark, Clay, Crawford, Cumberland, Edgar, Effingham and 3 more | 5 hr |
| Aug 27, 3:22 AM CDT | Flash Flood Watch | PAH | Alexander, Hardin, Massac, Pope, Pulaski | 35 hr |
| Aug 27, 8:15 PM CDT | Special Weather Statement | PAH | Hardin, Massac, Pope | 45 min |
| Aug 28, 3:13 AM CDT | Small Craft Advisory | LOT | 49 hr | |
| Aug 28, 3:16 AM CDT | Beach Hazards Statement | LOT | Cook | 59 hr |
| Aug 28, 12:17 PM CDT | Special Weather Statement | LOT | Kankakee | 43 min |
| Aug 28, 12:32 PM CDT | Mesoscale Discussion | SPC | Iroquois, Kankakee | 88 min |
| Aug 28, 2:56 PM CDT | Mesoscale Discussion | SPC | Carroll, Henderson, Jo Daviess, Mercer, Rock Island, Stephenson and 1 more | 64 min |
| Aug 28, 3:16 PM CDT | Severe Thunderstorm Watch | SPC | Carroll, Jo Daviess, Stephenson | 4 hr |
| Aug 28, 5:13 PM CDT | Special Weather Statement | DVN | Jo Daviess | 32 min |
| Aug 28, 5:29 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henderson, Henry and 12 more | 91 min |
| Aug 28, 10:38 PM CDT | Special Marine Warning | LOT | 82 min | |
| Aug 29, 12:17 AM CDT | Special Weather Statement | LOT | Kankakee | 13 min |
| Aug 29, 12:30 AM CDT | Special Weather Statement | LOT | Iroquois | 30 min |
| Aug 29, 12:35 AM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 33 min |
| Aug 31, 12:43 PM CDT | Mesoscale Discussion | SPC | Alexander, Jackson, Johnson, Massac, Pope, Pulaski and 2 more | 92 min |
| Aug 31, 2:13 PM CDT | Special Weather Statement | PAH | Alexander, Pulaski | 62 min |
| Aug 31, 2:50 PM CDT | Special Weather Statement | PAH | Massac, Pulaski | 55 min |
| Aug 31, 3:01 PM CDT | Beach Hazards Statement | LOT | Cook, Lake | 25 hr |
| Aug 31, 3:03 PM CDT | Small Craft Advisory | LOT | 24 hr | |
| Aug 31, 3:29 PM CDT | Areal Flood Advisory | PAH | Alexander, Pulaski, Union | 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 | 43 |
| Tornado Warning | 6 |
| Severe Thunderstorm Watch | 4 |
| Mesoscale Discussion | 15 |
| Special Weather Statement | 49 |
| Flooding | |
| Areal Flood Warning | 4 |
| Flash Flood Warning | 14 |
| River Flood Warning | 4 |
| Flash Flood Watch | 5 |
| River Flood Watch | 1 |
| Areal Flood Advisory | 19 |
| Heat | |
| Heat Advisory | 4 |
| Wind and dust | |
| High Wind Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
| Coast and beach | |
| Lakeshore Flood Advisory | 1 |
| Beach Hazards Statement | 5 |
| Marine | |
| Special Marine Warning | 14 |
| Small Craft Advisory | 6 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cook County24
- Lake County21
- Saint Clair County21
- Madison County17
- Boone County17
- Alexander County16
- Monroe County15
- Stephenson County15
- Massac County15
- Hamilton County14
- Pulaski County14
- McHenry County14
- Union County13
- Jo Daviess County13
- DuPage County13
- Rock Island County13
- Mercer County12
- Wayne County12
- White County12
- Franklin County12
- Pope County12
- Kankakee County12
- Clinton County11
- Randolph County11
- Carroll County11
- Winnebago County11
- Jackson County11
- Johnson County11
- Whiteside County10
- Calhoun County10
- Jersey County10
- Washington County10
- Hardin County10
- Jefferson County10
- Perry County10
- Williamson County10
- DeKalb County10
- Kane County10
- Warren County9
- Wabash County9
62 more counties
- Edwards County9
- Bond County9
- Macoupin County9
- Gallatin County9
- Saline County9
- Bureau County9
- Henry County9
- Will County9
- McDonough County8
- Montgomery County8
- Ogle County8
- Fayette County8
- Henderson County8
- Iroquois County8
- Kendall County8
- LaSalle County8
- Putnam County8
- Effingham County8
- Lawrence County7
- Lee County7
- Crawford County7
- Clay County7
- Greene County7
- Grundy County7
- Hancock County7
- Livingston County7
- McLean County7
- Coles County7
- Jasper County7
- Marion County6
- Fulton County6
- Stark County6
- Tazewell County6
- Woodford County6
- Christian County6
- Shelby County6
- Clark County6
- Ford County5
- Marshall County5
- Peoria County5
- Cumberland County5
- Douglas County5
- Macon County5
- Menard County5
- Moultrie County5
- Piatt County5
- Sangamon County5
- Richland County5
- Champaign County4
- DeWitt County4
- Knox County4
- Mason County4
- Cass County4
- Logan County4
- Morgan County4
- Scott County4
- Edgar County4
- Pike County3
- Vermilion County3
- Adams County2
- Brown County2
- Schuyler County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.