Alert archive / Illinois / 2003
Weather alerts in Illinois, August 2003
160 weather alerts in August 2003, 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 2003. Tap one for its archive.
- Alerts
- 160
- Warnings
- 124
- Watches
- 10
- Advisories
- 0
- Busiest day
- August 1, 200342 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, 7:06 PM CDT | Severe Thunderstorm Warning | LOT | Boone, DeKalb | 39 min |
| Jul 31, 8:19 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Jo Daviess, Ogle, Stephenson, Winnebago | 116 min |
| Jul 31, 9:08 PM CDT | Severe Thunderstorm Warning | LOT | Kane | 37 min |
| Jul 31, 9:38 PM CDT | Severe Thunderstorm Warning | LOT | DuPage, Kendall, Will | 52 min |
| Jul 31, 10:24 PM CDT | Severe Thunderstorm Warning | LOT | Will | 66 min |
| Aug 1, 12:54 AM CDT | Severe Thunderstorm Warning | DVN | Carroll | 51 min |
| Aug 1, 1:00 AM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess, Stephenson | 60 min |
| Aug 1, 2:20 AM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 55 min |
| Aug 1, 3:02 AM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 58 min |
| Aug 1, 4:07 AM CDT | Severe Thunderstorm Warning | LOT | Grundy | 23 min |
| Aug 1, 4:30 AM CDT | Severe Thunderstorm Warning | LOT | Will | 45 min |
| Aug 1, 5:08 AM CDT | Special Marine Warning | LOT | 67 min | |
| Aug 1, 10:59 AM CDT | Mesoscale Discussion | SPC | Bureau, DeKalb, Ford, Fulton, Grundy, Henderson and 20 more | 2 hr |
| Aug 1, 1:28 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 47 min |
| Aug 1, 1:43 PM CDT | Special Marine Warning | LOT | 92 min | |
| Aug 1, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Boone, Brown, Bureau, Cass, DeKalb and 35 more | 6 hr |
| Aug 1, 2:47 PM CDT | Severe Thunderstorm Warning | DVN | Mercer | 43 min |
| Aug 1, 2:49 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 41 min |
| Aug 1, 2:58 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 13 more | 2 hr |
| Aug 1, 3:09 PM CDT | Severe Thunderstorm Warning | LOT | Kane | 36 min |
| Aug 1, 3:20 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 13 more | 6 hr |
| Aug 1, 3:27 PM CDT | Severe Thunderstorm Warning | DVN | Mercer, Rock Island | 48 min |
| Aug 1, 3:27 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 63 min |
| Aug 1, 3:34 PM CDT | Special Marine Warning | LOT | 3 hr | |
| Aug 1, 3:37 PM CDT | Severe Thunderstorm Warning | DVN | Putnam | 53 min |
| Aug 1, 3:37 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 53 min |
| Aug 1, 3:45 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 60 min |
| Aug 1, 3:47 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 73 min |
| Aug 1, 4:05 PM CDT | Tornado Warning | DVN | Henry | 55 min |
| Aug 1, 4:05 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall | 55 min |
| Aug 1, 4:07 PM CDT | Tornado Warning | LOT | Cook | 38 min |
| Aug 1, 4:30 PM CDT | Severe Thunderstorm Warning | LOT | DuPage | 45 min |
| Aug 1, 4:39 PM CDT | Severe Thunderstorm Warning | LOT | Will | 21 min |
| Aug 1, 4:46 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 29 min |
| Aug 1, 4:48 PM CDT | Tornado Warning | LOT | Cook | 42 min |
| Aug 1, 4:56 PM CDT | Severe Thunderstorm Warning | LOT | Grundy | 49 min |
| Aug 1, 5:12 PM CDT | Severe Thunderstorm Warning | LOT | Kendall, Will | 63 min |
| Aug 1, 5:18 PM CDT | Flash Flood Warning | LOT | Grundy | 4 hr |
| Aug 1, 5:20 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 40 min |
| Aug 1, 5:33 PM CDT | Tornado Warning | LOT | Cook | 27 min |
| Aug 1, 5:49 PM CDT | Mesoscale Discussion | SPC | Boone, Brown, Bureau, Cass, DeKalb, Fulton and 29 more | 86 min |
| Aug 1, 5:58 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, LaSalle | 47 min |
| Aug 1, 7:20 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Hamilton, Jackson, Jefferson, Johnson and 8 more | 85 min |
| Aug 2, 4:30 AM CDT | Severe Thunderstorm Watch | SPC | Alexander, Johnson, Massac, Pope, Pulaski, Union | 7 hr |
| Aug 2, 6:48 AM CDT | Mesoscale Discussion | SPC | Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more | 57 min |
| Aug 2, 12:51 PM CDT | Flash Flood Warning | ILX | Fulton | 6 hr |
| Aug 2, 1:07 PM CDT | Severe Thunderstorm Warning | ILX | Fulton | 53 min |
| Aug 2, 1:16 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 59 min |
| Aug 2, 1:27 PM CDT | Severe Thunderstorm Warning | ILX | Mason | 63 min |
| Aug 2, 2:03 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois | 42 min |
| Aug 2, 2:28 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 62 min |
| Aug 2, 2:30 PM CDT | Flash Flood Warning | LOT | Ford | 4 hr |
| Aug 2, 2:41 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 64 min |
| Aug 2, 2:44 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 61 min |
| Aug 2, 3:08 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 67 min |
| Aug 2, 3:16 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 59 min |
| Aug 2, 3:35 PM CDT | Severe Thunderstorm Warning | ILX | Morgan | 55 min |
| Aug 2, 3:36 PM CDT | Flash Flood Warning | ILX | Christian | 6 hr |
| Aug 2, 3:39 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 66 min |
| Aug 2, 3:45 PM CDT | Severe Thunderstorm Warning | DVN | Mercer | 30 min |
| Aug 2, 3:45 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 60 min |
| Aug 2, 3:46 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 59 min |
| Aug 2, 3:54 PM CDT | Tornado Warning | ILX | Sangamon | 36 min |
| Aug 2, 4:04 PM CDT | Tornado Warning | ILX | Christian | 41 min |
| Aug 2, 4:09 PM CDT | Tornado Warning | ILX | Christian | 36 min |
| Aug 2, 4:16 PM CDT | Flash Flood Warning | ILX | Champaign | 6 hr |
| Aug 2, 4:20 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 55 min |
| Aug 2, 4:21 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Pike | 39 min |
| Aug 2, 4:30 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Christian, Clark, Clay, Clinton and 23 more | 6 hr |
| Aug 2, 4:51 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 54 min |
| Aug 2, 5:01 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 44 min |
| Aug 2, 6:05 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 40 min |
| Aug 2, 6:14 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Stark | 61 min |
| Aug 2, 6:19 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland | 56 min |
| Aug 2, 6:36 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 24 min |
| Aug 2, 6:45 PM CDT | Severe Thunderstorm Warning | LSX | Jersey | 45 min |
| Aug 2, 7:49 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Madison | 41 min |
| Aug 2, 7:53 PM CDT | Severe Thunderstorm Warning | ILX | Clark | 37 min |
| Aug 2, 8:47 PM CDT | Severe Thunderstorm Warning | ILX | Effingham | 58 min |
| Aug 2, 9:11 PM CDT | Mesoscale Discussion | SPC | Bond, Clay, Clinton, Coles, Cumberland, Effingham and 9 more | 94 min |
| Aug 2, 10:55 PM CDT | Flash Flood Warning | ILX | Clay | 6 hr |
| Aug 3, 2:13 PM CDT | Tornado Warning | ILX | McLean | 47 min |
| Aug 3, 2:20 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Clay, Clinton, Crawford, Edwards and 28 more | 6 hr |
| Aug 3, 3:09 PM CDT | Special Marine Warning | LOT | 51 min | |
| Aug 3, 3:20 PM CDT | Severe Thunderstorm Warning | DVN | Carroll | 25 min |
| Aug 3, 3:25 PM CDT | Mesoscale Discussion | SPC | Alexander, Hardin, Jackson, Johnson, Massac, Pope and 3 more | 2 hr |
| Aug 3, 3:51 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 24 min |
| Aug 3, 4:57 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 63 min |
| Aug 3, 5:27 PM CDT | Flash Flood Warning | PAH | Massac | 2 hr |
| Aug 3, 5:32 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 43 min |
| Aug 3, 5:43 PM CDT | Severe Thunderstorm Warning | ILX | Crawford | 47 min |
| Aug 3, 5:45 PM CDT | Flash Flood Warning | LOT | Will | 3 hr |
| Aug 3, 5:58 PM CDT | Special Marine Warning | LOT | 92 min | |
| Aug 3, 6:08 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 37 min |
| Aug 3, 6:15 PM CDT | Mesoscale Discussion | SPC | Bureau, Champaign, Ford, Grundy, Henry, Iroquois and 10 more | 105 min |
| Aug 3, 6:21 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence | 54 min |
| Aug 3, 6:32 PM CDT | Severe Thunderstorm Warning | ILX | Richland | 58 min |
| Aug 3, 7:01 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 59 min |
| Aug 3, 7:22 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 68 min |
| Aug 3, 7:25 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 35 min |
| Aug 3, 7:46 PM CDT | Tornado Warning | ILX | Logan | 44 min |
| Aug 3, 7:47 PM CDT | Tornado Warning | ILX | Logan | 43 min |
| Aug 3, 7:48 PM CDT | Severe Thunderstorm Warning | ILX | Mason | 42 min |
| Aug 3, 8:05 PM CDT | Tornado Warning | ILX | Mason | 40 min |
| Aug 3, 8:09 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 51 min |
| Aug 3, 8:31 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 59 min |
| Aug 3, 8:33 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 57 min |
| Aug 3, 9:04 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 56 min |
| Aug 3, 11:51 PM CDT | Severe Thunderstorm Warning | ILX | Morgan | 54 min |
| Aug 4, 12:01 AM CDT | Severe Thunderstorm Warning | ILX | Morgan | 44 min |
| Aug 4, 12:02 AM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 58 min |
| Aug 4, 1:52 AM CDT | Severe Thunderstorm Warning | LSX | Madison | 23 min |
| Aug 4, 2:09 AM CDT | Severe Thunderstorm Warning | LSX | Madison | 21 min |
| Aug 4, 2:32 AM CDT | Severe Thunderstorm Warning | LSX | Clinton, Madison, Saint Clair | 43 min |
| Aug 4, 3:39 AM CDT | Severe Thunderstorm Warning | LSX | Washington | 36 min |
| Aug 4, 1:43 PM CDT | Mesoscale Discussion | SPC | Alexander, Massac, Pulaski | 2 hr |
| Aug 4, 4:39 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 66 min |
| Aug 11, 12:52 PM CDT | Mesoscale Discussion | SPC | Gallatin, Hardin, Pope, Saline, Wabash, White | 83 min |
| Aug 11, 1:52 PM CDT | Severe Thunderstorm Warning | DVN | McDonough | 38 min |
| Aug 11, 3:35 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 55 min |
| Aug 16, 2:45 PM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Kane, Kendall and 7 more | 2 hr |
| Aug 16, 3:25 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Cook, DeKalb, DuPage, Jo Daviess, Kane and 8 more | 6 hr |
| Aug 16, 6:14 PM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Kane, Kendall and 6 more | 91 min |
| Aug 17, 1:48 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Crawford, Cumberland, Edwards, Effingham and 18 more | 117 min |
| Aug 17, 3:10 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Christian, Clark, Clay, Clinton and 31 more | 6 hr |
| Aug 17, 4:49 PM CDT | Severe Thunderstorm Warning | PAH | Hardin, Pope | 26 min |
| Aug 20, 2:15 PM CDT | Mesoscale Discussion | SPC | Adams, Hancock, Henderson, Mercer | 90 min |
| Aug 20, 2:50 PM CDT | Severe Thunderstorm Watch | SPC | Carroll, Fulton, Hancock, Henderson, Henry, Jo Daviess and 8 more | 5 hr |
| Aug 20, 5:27 PM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey, Monroe, Pike | 2 hr |
| Aug 20, 6:09 PM CDT | Mesoscale Discussion | SPC | Carroll, Fulton, Hancock, Henderson, Henry, Jo Daviess and 8 more | 2 hr |
| Aug 20, 7:01 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 59 min |
| Aug 20, 7:23 PM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 52 min |
| Aug 22, 3:23 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin | 52 min |
| Aug 25, 6:43 PM CDT | Mesoscale Discussion | SPC | Boone, Lake, McHenry, Stephenson, Winnebago | 2 hr |
| Aug 25, 7:03 PM CDT | Mesoscale Discussion | SPC | Mercer, Rock Island | 87 min |
| Aug 25, 8:45 PM CDT | Severe Thunderstorm Watch | SPC | Henderson, Mercer, Rock Island, Warren | 5 hr |
| Aug 26, 12:21 AM CDT | Mesoscale Discussion | SPC | Boone, Jo Daviess, Lake, McHenry, Stephenson, Winnebago | 84 min |
| Aug 26, 3:37 AM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kankakee, Will | 38 min |
| Aug 26, 11:15 AM CDT | Mesoscale Discussion | SPC | Bureau, Champaign, Ford, Grundy, Henry, Iroquois and 11 more | 3 hr |
| Aug 26, 1:17 PM CDT | Special Marine Warning | LOT | 43 min | |
| Aug 26, 2:19 PM CDT | Mesoscale Discussion | SPC | Hancock, Henderson, McDonough | 116 min |
| Aug 26, 4:45 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, DeWitt, Fulton, Hancock and 14 more | 90 min |
| Aug 26, 5:51 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 59 min |
| Aug 26, 6:50 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 55 min |
| Aug 26, 7:44 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 61 min |
| Aug 26, 8:13 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 47 min |
| Aug 26, 9:08 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 52 min |
| Aug 26, 9:31 PM CDT | Severe Thunderstorm Warning | ILX | Scott | 59 min |
| Aug 26, 9:38 PM CDT | Flash Flood Warning | LSX | Adams, Brown | 4 hr |
| Aug 26, 9:49 PM CDT | Severe Thunderstorm Warning | ILX | Morgan | 56 min |
| Aug 26, 9:55 PM CDT | Severe Thunderstorm Warning | ILX | Morgan | 50 min |
| Aug 26, 10:24 PM CDT | Severe Thunderstorm Warning | ILX | Scott | 51 min |
| Aug 26, 10:46 PM CDT | Severe Thunderstorm Warning | ILX | Morgan | 44 min |
| Aug 26, 11:29 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 61 min |
| Aug 27, 3:06 AM CDT | Severe Thunderstorm Warning | ILX | Morgan | 54 min |
| Aug 28, 3:03 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Carroll, Cass, Fulton and 17 more | 117 min |
| Aug 28, 5:40 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Hancock, Henderson, McDonough and 3 more | 65 min |
| Aug 29, 10:57 AM CDT | Flash Flood Warning | LSX | Clinton, Washington | 5 hr |
| Aug 31, 5:11 PM CDT | Mesoscale Discussion | SPC | Bond, Clark, Clay, Clinton, Coles, Crawford and 13 more | 2 hr |
| Aug 31, 5:25 PM CDT | Tornado Watch | SPC | Bond, Christian, Clark, Clay, Clinton, Coles and 19 more | 6 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 | 97 |
| Tornado Warning | 11 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 26 |
| Flooding | |
| Flash Flood Warning | 10 |
| Marine | |
| Special Marine Warning | 6 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Will County15
- Mercer County12
- Henderson County11
- Stark County11
- Massac County11
- Pope County11
- Stephenson County10
- Kendall County10
- LaSalle County10
- Grundy County10
- Henry County10
- Rock Island County10
- Cook County10
- Hancock County10
- Alexander County10
- Boone County9
- Fulton County9
- Logan County9
- McDonough County9
- Morgan County9
- Hardin County9
- Jefferson County9
- Johnson County9
- Pulaski County9
- Christian County9
- DeKalb County8
- Kane County8
- McLean County8
- Marshall County8
- Warren County8
- Brown County8
- Union County8
- Washington County8
- Clay County8
- Clinton County8
- Effingham County8
- Madison County8
- Marion County8
- Richland County8
- Winnebago County7
62 more counties
- DuPage County7
- Kankakee County7
- Knox County7
- Putnam County7
- Tazewell County7
- Woodford County7
- Adams County7
- Mason County7
- Schuyler County7
- Gallatin County7
- Saline County7
- Williamson County7
- Wayne County7
- Crawford County7
- Cumberland County7
- Fayette County7
- Jasper County7
- Carroll County6
- Jo Daviess County6
- Ogle County6
- Bureau County6
- Peoria County6
- Whiteside County6
- Franklin County6
- Hamilton County6
- Jackson County6
- Greene County6
- Bond County6
- Clark County6
- Coles County6
- Lawrence County6
- Ford County5
- Iroquois County5
- Livingston County5
- Pike County5
- Scott County5
- Perry County5
- White County5
- Champaign County5
- Sangamon County5
- Calhoun County5
- Montgomery County5
- Shelby County5
- Wabash County5
- Lake County5
- McHenry County5
- Lee County4
- Cass County4
- Monroe County4
- Randolph County4
- Jersey County4
- Edwards County4
- Menard County3
- DeWitt County3
- Macon County3
- Moultrie County3
- Saint Clair County3
- Douglas County2
- Edgar County2
- Macoupin County2
- Vermilion County2
- Piatt County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20022004
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.