Alert archive / Illinois / 2011
Weather alerts in Illinois, August 2011
183 weather alerts in August 2011, 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 2011. Tap one for its archive.
- Alerts
- 183
- Warnings
- 86
- Watches
- 8
- Advisories
- 24
- Busiest day
- August 13, 201143 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 |
|---|---|---|---|---|
| Aug 1, 3:32 AM CDT | Heat Advisory | LOT | Ford, Iroquois, Livingston | 16 hr |
| Aug 1, 4:11 AM CDT | Heat Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 63 hr |
| Aug 1, 3:20 PM CDT | Excessive Heat Warning | ILX | Cass, Fulton, Knox, Logan, Marshall, Mason and 9 more | 28 hr |
| Aug 1, 9:49 PM CDT | Small Craft Advisory | LOT | 54 hr | |
| Aug 2, 3:38 AM CDT | Heat Advisory | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 20 hr |
| Aug 2, 3:50 AM CDT | Excessive Heat Warning | DVN | Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 3 more | 18 hr |
| Aug 2, 6:19 AM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Kane, Kendall and 4 more | 86 min |
| Aug 2, 10:17 AM CDT | River Flood Warning | PAH | Alexander, Jackson, Union | 3 days |
| Aug 2, 12:57 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 20 more | 93 min |
| Aug 2, 3:43 PM CDT | Rip Current Statement | LOT | Lake | 42 hr |
| Aug 2, 3:46 PM CDT | Excessive Heat Warning | PAH | Alexander, Franklin, Gallatin, Hardin, Jackson, Johnson and 7 more | 28 hr |
| Aug 2, 5:22 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more | 9 hr |
| Aug 2, 5:23 PM CDT | Special Marine Warning | LOT | 2 hr | |
| Aug 2, 5:36 PM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry | 54 min |
| Aug 2, 5:56 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Kane, Lake, McHenry | 70 min |
| Aug 2, 6:15 PM CDT | Special Marine Warning | LOT | 110 min | |
| Aug 2, 7:59 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Lee, Ogle, Winnebago | 61 min |
| Aug 2, 8:34 PM CDT | Mesoscale Discussion | SPC | Cook, DeKalb, DuPage, Grundy, Kane, Kankakee and 4 more | 86 min |
| Aug 2, 8:39 PM CDT | Severe Thunderstorm Warning | LOT | Boone, Cook, DeKalb, DuPage, Kane, Lake and 1 more | 66 min |
| Aug 2, 8:45 PM CDT | Tornado Warning | LOT | DeKalb, Lee, Ogle | 34 min |
| Aug 2, 8:54 PM CDT | Special Marine Warning | LOT | 2 hr | |
| Aug 2, 9:11 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 64 min |
| Aug 2, 9:18 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane, Kendall, Will | 72 min |
| Aug 2, 9:33 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Grundy, Kendall, LaSalle, Lee | 57 min |
| Aug 2, 10:01 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kankakee, Kendall, LaSalle, Will | 59 min |
| Aug 2, 10:03 PM CDT | Areal Flood Advisory | LOT | DeKalb, LaSalle, Lee | 4 hr |
| Aug 2, 10:07 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 68 min |
| Aug 2, 10:52 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois, Kankakee, Will | 68 min |
| Aug 2, 11:15 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Grundy, Iroquois, Kankakee, Livingston, Will | 41 min |
| Aug 2, 11:25 PM CDT | Mesoscale Discussion | SPC | Iroquois | 95 min |
| Aug 3, 12:08 AM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 52 min |
| Aug 3, 12:26 PM CDT | Mesoscale Discussion | SPC | Pope | 64 min |
| Aug 4, 6:04 AM CDT | Mesoscale Discussion | SPC | Alexander, Jackson, Johnson, Monroe, Perry, Pulaski and 3 more | 86 min |
| Aug 4, 8:06 AM CDT | Severe Thunderstorm Watch | SPC | Alexander, Pulaski | 4 hr |
| Aug 4, 10:21 AM CDT | Mesoscale Discussion | SPC | Alexander | 84 min |
| Aug 5, 4:10 AM CDT | Heat Advisory | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more | 63 hr |
| Aug 5, 1:41 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Monroe, Randolph, Saint Clair, Washington | 49 min |
| Aug 5, 2:20 PM CDT | Heat Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 53 hr |
| Aug 6, 10:14 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Hancock, Henderson, McDonough, Mercer and 3 more | 5 hr |
| Aug 6, 11:06 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Fulton, Hancock, Henderson, McDonough and 4 more | 114 min |
| Aug 6, 11:38 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Union | 52 min |
| Aug 7, 12:08 AM CDT | Severe Thunderstorm Warning | PAH | Alexander, Johnson, Pulaski, Union | 22 min |
| Aug 7, 12:27 AM CDT | Severe Thunderstorm Warning | PAH | Alexander, Johnson, Massac, Pulaski, Union | 54 min |
| Aug 7, 12:57 AM CDT | Severe Thunderstorm Warning | PAH | Massac, Pope | 54 min |
| Aug 7, 1:14 AM CDT | Severe Thunderstorm Warning | DVN | Hancock, Henderson, McDonough, Mercer, Rock Island, Warren | 61 min |
| Aug 7, 1:17 AM CDT | Severe Thunderstorm Warning | PAH | Hardin, Johnson, Massac, Pope | 28 min |
| Aug 7, 1:55 AM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry, Mercer, Rock Island, Whiteside | 50 min |
| Aug 7, 2:08 AM CDT | Special Weather Statement | ILX | Knox, Peoria, Stark | 67 min |
| Aug 7, 3:06 AM CDT | Special Weather Statement | DVN | Bureau, Henry, Putnam, Whiteside | 54 min |
| Aug 7, 9:08 AM CDT | Special Weather Statement | LOT | Cook | 67 min |
| Aug 7, 9:24 AM CDT | Special Marine Warning | LOT | 109 min | |
| Aug 7, 11:14 AM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Crawford, Cumberland, Douglas and 8 more | 2 hr |
| Aug 7, 12:56 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 34 min |
| Aug 7, 3:40 PM CDT | Severe Thunderstorm Warning | LOT | Boone, DeKalb, McHenry | 47 min |
| Aug 7, 3:55 PM CDT | Special Marine Warning | LOT | 2 hr | |
| Aug 7, 5:20 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clinton, Franklin, Jackson, Jefferson and 10 more | 115 min |
| Aug 7, 5:41 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Calhoun, Clinton, Edwards, Franklin and 23 more | 6 hr |
| Aug 7, 6:42 PM CDT | Special Weather Statement | DVN | Bureau | 63 min |
| Aug 7, 8:27 PM CDT | Mesoscale Discussion | SPC | Alexander, Jackson, Johnson, Massac, Pulaski, Randolph and 1 more | 2 hr |
| Aug 7, 10:54 PM CDT | Mesoscale Discussion | SPC | Alexander, Massac, Pulaski | 96 min |
| Aug 8, 7:02 AM CDT | Special Weather Statement | DVN | Hancock | 43 min |
| Aug 8, 1:06 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Grundy, Henderson and 19 more | 84 min |
| Aug 8, 1:51 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry, Whiteside | 39 min |
| Aug 8, 5:17 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry | 28 min |
| Aug 8, 5:23 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Stark | 67 min |
| Aug 8, 5:23 PM CDT | Mesoscale Discussion | SPC | Bureau, Cass, Champaign, Christian, DeWitt, Ford and 21 more | 67 min |
| Aug 8, 5:29 PM CDT | Tornado Warning | ILX | Marshall, Stark, Woodford | 46 min |
| Aug 8, 5:38 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Champaign, DeWitt, Ford, Fulton, Grundy and 19 more | 5 hr |
| Aug 8, 5:50 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 25 min |
| Aug 8, 5:57 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Peoria, Stark, Tazewell, Woodford | 46 min |
| Aug 8, 6:01 PM CDT | Areal Flood Advisory | DVN | Carroll, Stephenson | 4 hr |
| Aug 8, 6:12 PM CDT | Special Weather Statement | LOT | Livingston | 63 min |
| Aug 8, 6:50 PM CDT | Special Weather Statement | ILX | Woodford | 55 min |
| Aug 8, 6:55 PM CDT | Special Weather Statement | ILX | Tazewell | 65 min |
| Aug 8, 7:19 PM CDT | Special Weather Statement | ILX | DeWitt, McLean | 56 min |
| Aug 8, 7:27 PM CDT | Mesoscale Discussion | SPC | Champaign, DeWitt, Ford, Iroquois, Kankakee, Livingston and 7 more | 93 min |
| Aug 8, 7:28 PM CDT | Tornado Warning | ILX | McLean | 18 min |
| Aug 8, 7:29 PM CDT | Tornado Warning | LOT | Ford, Iroquois, Livingston | 34 min |
| Aug 8, 8:15 PM CDT | Special Weather Statement | ILX | Vermilion | 60 min |
| Aug 8, 8:24 PM CDT | Tornado Warning | ILX | Champaign, Vermilion | 51 min |
| Aug 8, 8:37 PM CDT | Areal Flood Advisory | LOT | Winnebago | 2 hr |
| Aug 9, 3:13 AM CDT | Small Craft Advisory | LOT | 39 hr | |
| Aug 9, 12:17 PM CDT | Mesoscale Discussion | SPC | Champaign, Christian, Coles, DeWitt, Douglas, Edgar and 14 more | 58 min |
| Aug 12, 4:43 PM CDT | Special Weather Statement | DVN | Stephenson | 62 min |
| Aug 12, 5:21 PM CDT | Special Weather Statement | LOT | Ogle | 24 min |
| Aug 12, 5:23 PM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 22 min |
| Aug 12, 5:24 PM CDT | Flash Flood Warning | DVN | Stephenson | 2 hr |
| Aug 12, 5:25 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph | 50 min |
| Aug 12, 5:29 PM CDT | Tornado Warning | LOT | Ogle | 46 min |
| Aug 12, 5:39 PM CDT | Tornado Warning | DVN | Stephenson | 26 min |
| Aug 12, 6:11 PM CDT | Areal Flood Advisory | LOT | Ogle, Winnebago | 4 hr |
| Aug 12, 6:17 PM CDT | Severe Thunderstorm Warning | LOT | Ogle, Winnebago | 58 min |
| Aug 12, 7:03 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Ogle | 57 min |
| Aug 13, 3:31 AM CDT | Small Craft Advisory | LOT | 54 hr | |
| Aug 13, 10:46 AM CDT | Severe Thunderstorm Warning | LOT | Winnebago | 59 min |
| Aug 13, 11:29 AM CDT | Severe Thunderstorm Warning | LOT | Boone, DeKalb, McHenry, Ogle, Winnebago | 46 min |
| Aug 13, 11:45 AM CDT | Mesoscale Discussion | SPC | Bureau, Champaign, Cook, DeKalb, DuPage, Ford and 16 more | 60 min |
| Aug 13, 12:00 PM CDT | Special Marine Warning | LOT | 3 hr | |
| Aug 13, 12:12 PM CDT | Severe Thunderstorm Watch | SPC | Champaign, Christian, Clark, Coles, Cook, Cumberland and 32 more | 9 hr |
| Aug 13, 12:19 PM CDT | Special Weather Statement | LOT | DeKalb, Kane, McHenry | 56 min |
| Aug 13, 12:55 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Lake, McHenry | 50 min |
| Aug 13, 1:52 PM CDT | Special Weather Statement | LOT | Cook | 38 min |
| Aug 13, 1:54 PM CDT | Special Weather Statement | LOT | Ogle | 36 min |
| Aug 13, 2:02 PM CDT | Special Marine Warning | LOT | 88 min | |
| Aug 13, 2:12 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 63 min |
| Aug 13, 2:17 PM CDT | Severe Thunderstorm Warning | DVN | Putnam | 13 min |
| Aug 13, 2:23 PM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle | 67 min |
| Aug 13, 2:31 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 34 min |
| Aug 13, 2:48 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, DuPage, Kane, Kendall, Will | 57 min |
| Aug 13, 2:51 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Tazewell | 39 min |
| Aug 13, 2:54 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Will | 41 min |
| Aug 13, 2:56 PM CDT | Special Weather Statement | DVN | Carroll | 34 min |
| Aug 13, 3:05 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Woodford | 16 min |
| Aug 13, 3:27 PM CDT | Special Weather Statement | LOT | Grundy | 48 min |
| Aug 13, 3:29 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 21 more | 91 min |
| Aug 13, 3:30 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Tazewell, Woodford | 45 min |
| Aug 13, 3:32 PM CDT | Special Weather Statement | LOT | Livingston | 28 min |
| Aug 13, 3:35 PM CDT | Special Weather Statement | LOT | Livingston | 25 min |
| Aug 13, 3:44 PM CDT | Special Weather Statement | LOT | Kane, Kendall | 31 min |
| Aug 13, 3:46 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Menard, Morgan, Sangamon | 37 min |
| Aug 13, 3:51 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, McLean, Mason, Tazewell | 35 min |
| Aug 13, 3:54 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 66 min |
| Aug 13, 3:59 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 61 min |
| Aug 13, 4:01 PM CDT | Special Weather Statement | LOT | Livingston | 44 min |
| Aug 13, 4:14 PM CDT | Special Weather Statement | LOT | DuPage, Kane, Kendall | 46 min |
| Aug 13, 4:19 PM CDT | Special Weather Statement | LOT | Iroquois | 41 min |
| Aug 13, 4:24 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 66 min |
| Aug 13, 4:31 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Piatt | 59 min |
| Aug 13, 4:34 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 56 min |
| Aug 13, 4:35 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Macon | 55 min |
| Aug 13, 4:44 PM CDT | Rip Current Statement | LOT | Lake | 41 hr |
| Aug 13, 5:08 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 55 min |
| Aug 13, 5:17 PM CDT | Areal Flood Advisory | LOT | Boone, DeKalb, McHenry, Ogle, Winnebago | 2 hr |
| Aug 13, 6:01 PM CDT | Severe Thunderstorm Warning | ILX | Edgar | 44 min |
| Aug 13, 6:10 PM CDT | Mesoscale Discussion | SPC | Clark, Coles, Cumberland, Douglas, Edgar, Shelby and 1 more | 95 min |
| Aug 17, 3:44 PM CDT | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Calhoun, Carroll and 47 more | 91 min |
| Aug 18, 2:40 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Crawford, Edwards, Franklin, Gallatin and 18 more | 2 hr |
| Aug 18, 2:52 PM CDT | Severe Thunderstorm Warning | PAH | Johnson, Massac, Pope | 23 min |
| Aug 18, 3:28 PM CDT | Areal Flood Advisory | ILX | Richland | 3 hr |
| Aug 18, 3:48 PM CDT | Severe Thunderstorm Warning | PAH | Edwards, Wayne | 27 min |
| Aug 18, 3:56 PM CDT | Flash Flood Warning | ILX | Richland | 2 hr |
| Aug 18, 4:14 PM CDT | Severe Thunderstorm Warning | PAH | Edwards, Wabash, Wayne, White | 30 min |
| Aug 18, 5:54 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 36 min |
| Aug 19, 5:13 PM CDT | Areal Flood Advisory | LOT | Cook, Will | 3 hr |
| Aug 20, 8:10 AM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry, Winnebago | 65 min |
| Aug 20, 8:38 AM CDT | Special Marine Warning | LOT | 3 hr | |
| Aug 20, 8:53 AM CDT | Severe Thunderstorm Warning | LOT | Boone, Lake, McHenry | 37 min |
| Aug 20, 9:08 AM CDT | Special Weather Statement | LOT | LaSalle | 37 min |
| Aug 20, 9:25 AM CDT | Severe Thunderstorm Warning | LOT | Cook, Lake, McHenry | 65 min |
| Aug 20, 10:11 AM CDT | Special Marine Warning | LOT | 2 hr | |
| Aug 20, 11:04 AM CDT | Mesoscale Discussion | SPC | Kankakee | 116 min |
| Aug 20, 1:01 PM CDT | Special Weather Statement | LOT | Kankakee, Will | 59 min |
| Aug 20, 2:10 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 50 min |
| Aug 20, 9:19 PM CDT | Special Weather Statement | LOT | LaSalle | 56 min |
| Aug 20, 10:13 PM CDT | Special Weather Statement | LOT | Grundy | 47 min |
| Aug 23, 3:35 AM CDT | Heat Advisory | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 39 hr |
| Aug 23, 5:40 AM CDT | Special Weather Statement | DVN | Jo Daviess | 50 min |
| Aug 23, 6:25 AM CDT | Special Weather Statement | DVN | Carroll, Jo Daviess, Stephenson | 65 min |
| Aug 23, 7:16 AM CDT | Special Weather Statement | DVN | Henry, Mercer, Rock Island, Whiteside | 59 min |
| Aug 23, 7:20 AM CDT | Special Weather Statement | DVN | Carroll, Stephenson | 25 min |
| Aug 23, 7:26 AM CDT | Special Weather Statement | LOT | Boone, Lee, Ogle, Winnebago | 64 min |
| Aug 23, 7:48 AM CDT | Special Weather Statement | DVN | Bureau, Henry, Mercer, Rock Island, Whiteside | 57 min |
| Aug 23, 8:36 AM CDT | Special Weather Statement | LOT | Boone, DeKalb, Kane, LaSalle, Lee, McHenry | 39 min |
| Aug 23, 9:05 AM CDT | Severe Thunderstorm Warning | ILX | Knox, Marshall, Peoria, Stark | 29 min |
| Aug 23, 9:27 AM CDT | Special Weather Statement | ILX | Peoria, Woodford | 48 min |
| Aug 23, 9:33 AM CDT | Special Weather Statement | LOT | Cook, DuPage, Grundy, Kendall, LaSalle, Will | 42 min |
| Aug 23, 10:32 AM CDT | Special Weather Statement | LOT | Kankakee, Livingston, Will | 43 min |
| Aug 23, 10:44 AM CDT | River Flood Advisory | LOT | Will | 22 hr |
| Aug 23, 12:36 PM CDT | Special Weather Statement | LOT | Ford | 39 min |
| Aug 23, 1:02 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Woodford | 43 min |
| Aug 23, 1:27 PM CDT | Small Craft Advisory | LOT | 8 hr | |
| Aug 24, 1:27 AM CDT | Small Craft Advisory | LOT | 38 hr | |
| Aug 24, 2:39 AM CDT | Gale Watch | LOT | 12 hr | |
| Aug 24, 3:14 AM CDT | Heat Advisory | ILX | Cass, Christian, Fulton, Logan, Mason, Menard and 4 more | 15 hr |
| Aug 24, 3:55 AM CDT | Heat Advisory | DVN | Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 2 more | 12 hr |
| Aug 24, 12:11 PM CDT | Lake Wind Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 6 hr |
| Aug 24, 3:46 PM CDT | Mesoscale Discussion | SPC | Cass, Champaign, Christian, DeWitt, Douglas, Edgar and 18 more | 89 min |
| Aug 24, 6:08 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Brown, Calhoun, Cass, Champaign, Christian and 39 more | 6 hr |
| Aug 24, 6:59 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 31 min |
| Aug 24, 8:56 PM CDT | Mesoscale Discussion | SPC | Bond, Clark, Clay, Clinton, Coles, Crawford and 18 more | 94 min |
| Aug 26, 3:13 PM CDT | Small Craft Advisory | LOT | 60 hr | |
| Aug 26, 4:27 PM CDT | Rip Current Statement | LOT | Lake | 59 hr |
| Aug 30, 4:15 PM CDT | Heat Advisory | LSX | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 5 more | 4 days |
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 | 64 |
| Tornado Warning | 7 |
| Severe Thunderstorm Watch | 7 |
| Mesoscale Discussion | 24 |
| Special Weather Statement | 38 |
| Flooding | |
| Flash Flood Warning | 2 |
| River Flood Warning | 1 |
| Areal Flood Advisory | 7 |
| River Flood Advisory | 1 |
| Heat | |
| Excessive Heat Warning | 3 |
| Heat Advisory | 9 |
| Wind and dust | |
| Lake Wind Advisory | 1 |
| Coast and beach | |
| Rip Current Statement | 3 |
| Marine | |
| Special Marine Warning | 9 |
| Gale Watch | 1 |
| Small Craft Advisory | 6 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- DeKalb County21
- Iroquois County20
- Livingston County19
- McHenry County19
- LaSalle County18
- Ogle County18
- Cook County18
- Kane County17
- Kankakee County17
- Will County17
- Ford County16
- Grundy County16
- Kendall County16
- McLean County16
- Alexander County15
- Woodford County15
- Boone County15
- DuPage County15
- Lake County15
- Winnebago County15
- Bureau County15
- Union County13
- Marshall County13
- Lee County13
- Vermilion County13
- Johnson County12
- Massac County12
- Pulaski County12
- Logan County12
- Peoria County12
- Stark County12
- Tazewell County12
- DeWitt County12
- Jackson County11
- Menard County11
- Sangamon County11
- Henry County11
- Mercer County11
- Putnam County11
- Champaign County11
62 more counties
- Piatt County11
- Pope County10
- Stephenson County10
- Macon County10
- Mason County9
- Morgan County9
- Rock Island County9
- Monroe County9
- Randolph County9
- Edgar County9
- Christian County9
- Edwards County8
- Perry County8
- Wayne County8
- Williamson County8
- Knox County8
- Henderson County8
- Warren County8
- Whiteside County8
- Clinton County8
- Douglas County8
- Shelby County8
- Franklin County7
- Hardin County7
- Jefferson County7
- Wabash County7
- White County7
- Cass County7
- Fulton County7
- Hancock County7
- McDonough County7
- Carroll County7
- Bond County7
- Calhoun County7
- Madison County7
- Marion County7
- Montgomery County7
- Saint Clair County7
- Coles County7
- Moultrie County7
- Gallatin County6
- Hamilton County6
- Saline County6
- Jersey County6
- Macoupin County6
- Washington County6
- Brown County6
- Pike County6
- Clark County6
- Cumberland County6
- Schuyler County5
- Fayette County5
- Greene County5
- Adams County5
- Crawford County5
- Effingham County5
- Jasper County5
- Richland County5
- Scott County4
- Jo Daviess County4
- Clay County4
- Lawrence County3
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.