Alert archive / Illinois / 2015
Weather alerts in Illinois, August 2015
164 weather alerts in August 2015, 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 2015. Tap one for its archive.
- Alerts
- 164
- Warnings
- 61
- Watches
- 6
- Advisories
- 35
- Busiest day
- August 18, 201537 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, 3:41 PM CDT | Small Craft Advisory | LOT | 26 hr | |
| Aug 2, 1:25 PM CDT | Special Weather Statement | LOT | DeKalb | 50 min |
| Aug 2, 1:51 PM CDT | Special Weather Statement | LOT | Kane | 39 min |
| Aug 2, 1:54 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, DuPage, Kane | 51 min |
| Aug 2, 2:21 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 39 min |
| Aug 2, 2:29 PM CDT | Special Marine Warning | LOT | 2 hr | |
| Aug 2, 2:35 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 25 min |
| Aug 2, 2:58 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 17 min |
| Aug 2, 3:01 PM CDT | Special Weather Statement | LOT | Cook | 29 min |
| Aug 2, 5:24 PM CDT | Gale Warning | LOT | 5 hr | |
| Aug 2, 8:02 PM CDT | Mesoscale Discussion | SPC | Cook, Lake | 118 min |
| Aug 2, 8:23 PM CDT | Special Marine Warning | LOT | 112 min | |
| Aug 2, 8:30 PM CDT | Special Weather Statement | LOT | Lake | 45 min |
| Aug 2, 8:30 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 24 more | 5 hr |
| Aug 2, 8:45 PM CDT | Tornado Warning | LOT | Lake | 20 min |
| Aug 2, 8:49 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 26 min |
| Aug 2, 9:07 PM CDT | Special Weather Statement | DVN | Rock Island | 23 min |
| Aug 2, 9:11 PM CDT | Severe Thunderstorm Warning | LOT | Lake, McHenry | 64 min |
| Aug 2, 9:18 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Rock Island | 27 min |
| Aug 2, 9:42 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Lake, McHenry | 63 min |
| Aug 2, 9:44 PM CDT | Special Weather Statement | DVN | Bureau | 46 min |
| Aug 2, 9:48 PM CDT | Special Weather Statement | LOT | Boone | 42 min |
| Aug 2, 9:49 PM CDT | Special Marine Warning | LOT | 116 min | |
| Aug 2, 10:00 PM CDT | Special Weather Statement | LOT | Cook, DuPage, Kane | 45 min |
| Aug 2, 10:07 PM CDT | Special Weather Statement | DVN | Putnam | 38 min |
| Aug 2, 10:13 PM CDT | Special Marine Warning | LOT | 92 min | |
| Aug 2, 10:15 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane, McHenry | 45 min |
| Aug 2, 10:28 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 32 min |
| Aug 2, 10:44 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 31 min |
| Aug 2, 10:54 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane | 66 min |
| Aug 2, 11:00 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 9 min |
| Aug 2, 11:19 PM CDT | Mesoscale Discussion | SPC | Ford, Grundy, Iroquois, Kankakee, Will | 86 min |
| Aug 2, 11:22 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kendall, Will | 53 min |
| Aug 2, 11:45 PM CDT | Special Marine Warning | LOT | 60 min | |
| Aug 3, 12:28 AM CDT | Special Weather Statement | LOT | Kankakee | 47 min |
| Aug 4, 2:44 PM CDT | Flash Flood Watch | LSX | Bond, Clinton, Madison, Marion, Monroe, Randolph and 2 more | 25 hr |
| Aug 4, 3:22 PM CDT | Flash Flood Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 37 hr |
| Aug 4, 3:36 PM CDT | Special Weather Statement | PAH | Franklin, Gallatin, Hamilton, Jefferson, Perry, White | 54 min |
| Aug 4, 3:42 PM CDT | Areal Flood Advisory | PAH | Franklin, Perry | 2 hr |
| Aug 4, 3:55 PM CDT | Areal Flood Advisory | PAH | Gallatin | 2 hr |
| Aug 4, 4:14 PM CDT | Flash Flood Warning | PAH | Franklin, Perry | 2 hr |
| Aug 4, 5:02 PM CDT | Areal Flood Advisory | PAH | White | 118 min |
| Aug 4, 5:18 PM CDT | Special Weather Statement | PAH | Edwards, Wabash, Wayne | 42 min |
| Aug 5, 9:36 PM CDT | Areal Flood Advisory | LSX | Madison, Saint Clair | 6 hr |
| Aug 5, 10:36 PM CDT | Flash Flood Warning | LSX | Madison, Saint Clair | 8 hr |
| Aug 6, 5:01 AM CDT | Areal Flood Advisory | PAH | Edwards | 3 hr |
| Aug 8, 2:34 AM CDT | Dense Fog Advisory | PAH | Edwards, Gallatin, Hamilton, Hardin, Massac, Pope and 4 more | 6 hr |
| Aug 8, 2:54 AM CDT | Dense Fog Advisory | ILX | Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more | 6 hr |
| Aug 9, 6:04 AM CDT | Special Weather Statement | DVN | Hancock, Henderson, McDonough, Mercer, Warren | 56 min |
| Aug 9, 6:15 AM CDT | Areal Flood Advisory | LOT | Ford, Livingston | 3 hr |
| Aug 9, 6:42 AM CDT | Special Weather Statement | LSX | Brown | 48 min |
| Aug 9, 7:14 AM CDT | Special Weather Statement | ILX | Cass | 46 min |
| Aug 9, 9:56 AM CDT | Special Weather Statement | ILX | Shelby | 64 min |
| Aug 9, 3:55 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Jackson, Johnson, Monroe, Perry and 6 more | 2 hr |
| Aug 9, 5:45 PM CDT | Severe Thunderstorm Watch | SPC | Monroe, Randolph | 4 hr |
| Aug 9, 7:35 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph, Saint Clair | 55 min |
| Aug 9, 8:12 PM CDT | Special Weather Statement | PAH | Jackson, Perry | 63 min |
| Aug 9, 8:23 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Monroe, Saint Clair, Washington | 52 min |
| Aug 9, 8:29 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph, Saint Clair, Washington | 46 min |
| Aug 9, 8:34 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Perry | 41 min |
| Aug 9, 8:35 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Jersey, Macoupin, Madison, Saint Clair | 40 min |
| Aug 9, 9:02 PM CDT | Flash Flood Warning | LSX | Madison, Saint Clair | 8 hr |
| Aug 10, 4:42 AM CDT | Dense Fog Advisory | ILX | Cass, Champaign, DeWitt, Fulton, Knox, Logan and 12 more | 4 hr |
| Aug 10, 4:47 AM CDT | Dense Fog Advisory | LOT | Ford, Grundy, Iroquois, Kankakee, LaSalle, Lee and 1 more | 5 hr |
| Aug 10, 5:03 AM CDT | Dense Fog Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 3 hr |
| Aug 10, 12:27 PM CDT | Special Weather Statement | LOT | Kane | 48 min |
| Aug 10, 1:19 PM CDT | Special Weather Statement | LOT | Kendall | 71 min |
| Aug 10, 1:43 PM CDT | Special Weather Statement | LOT | Lake | 62 min |
| Aug 10, 2:22 PM CDT | Special Weather Statement | LOT | Kane | 38 min |
| Aug 10, 3:20 PM CDT | Special Weather Statement | LOT | DuPage, Kane | 40 min |
| Aug 10, 3:38 PM CDT | Severe Thunderstorm Warning | LOT | DuPage | 37 min |
| Aug 10, 3:45 PM CDT | Small Craft Advisory | LOT | 30 hr | |
| Aug 10, 4:01 PM CDT | Special Marine Warning | LOT | 89 min | |
| Aug 10, 4:06 PM CDT | Special Weather Statement | LOT | Will | 39 min |
| Aug 10, 4:28 PM CDT | Special Weather Statement | LOT | Kane | 47 min |
| Aug 10, 4:43 PM CDT | Special Weather Statement | LOT | DeKalb | 47 min |
| Aug 10, 5:23 PM CDT | Special Weather Statement | LOT | Kendall | 52 min |
| Aug 10, 6:15 PM CDT | Special Weather Statement | LOT | Grundy | 45 min |
| Aug 12, 3:20 PM CDT | Small Craft Advisory | LOT | 30 hr | |
| Aug 14, 8:09 PM CDT | Special Weather Statement | LOT | Lake | 21 min |
| Aug 14, 8:13 PM CDT | Special Marine Warning | LOT | 62 min | |
| Aug 14, 8:43 PM CDT | Special Weather Statement | LOT | McHenry | 32 min |
| Aug 14, 9:08 PM CDT | Special Marine Warning | LOT | 67 min | |
| Aug 15, 1:43 PM CDT | Mesoscale Discussion | SPC | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 11 more | 2 hr |
| Aug 15, 2:24 PM CDT | Special Weather Statement | LOT | DeKalb | 51 min |
| Aug 15, 2:42 PM CDT | Special Weather Statement | LOT | Cook | 48 min |
| Aug 15, 2:57 PM CDT | Special Weather Statement | LOT | Boone | 48 min |
| Aug 15, 3:26 PM CDT | Special Weather Statement | LOT | DuPage | 49 min |
| Aug 15, 3:41 PM CDT | Special Weather Statement | LOT | Kendall | 49 min |
| Aug 15, 3:47 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 28 min |
| Aug 17, 2:25 PM CDT | Special Weather Statement | LOT | Will | 20 min |
| Aug 17, 2:53 PM CDT | Special Weather Statement | LOT | Will | 22 min |
| Aug 17, 4:17 PM CDT | Special Marine Warning | LOT | 58 min | |
| Aug 17, 4:35 PM CDT | Severe Thunderstorm Warning | LOT | Lake | 26 min |
| Aug 17, 4:50 PM CDT | Special Weather Statement | LOT | Boone, McHenry | 55 min |
| Aug 17, 6:12 PM CDT | Special Weather Statement | LOT | Will | 48 min |
| Aug 17, 6:15 PM CDT | Special Weather Statement | LOT | Boone | 45 min |
| Aug 17, 6:41 PM CDT | Special Weather Statement | DVN | Henry | 64 min |
| Aug 17, 8:40 PM CDT | Special Weather Statement | LOT | Cook | 35 min |
| Aug 17, 8:46 PM CDT | Special Marine Warning | LOT | 59 min | |
| Aug 17, 9:08 PM CDT | Areal Flood Advisory | LOT | Cook, DuPage | 3 hr |
| Aug 17, 9:34 PM CDT | Flash Flood Warning | LOT | Cook, DuPage | 6 hr |
| Aug 18, 3:41 AM CDT | Areal Flood Advisory | LOT | Cook, Kankakee, Livingston, Will | 6 hr |
| Aug 18, 4:03 AM CDT | Areal Flood Advisory | LOT | Kankakee | 6 hr |
| Aug 18, 7:55 AM CDT | Areal Flood Advisory | LOT | Ford, Iroquois, Livingston | 3 hr |
| Aug 18, 12:49 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Calhoun, Carroll, Cass and 33 more | 116 min |
| Aug 18, 1:15 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 25 more | 8 hr |
| Aug 18, 1:35 PM CDT | Tornado Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 33 more | 8 hr |
| Aug 18, 2:06 PM CDT | Special Weather Statement | DVN | Warren | 24 min |
| Aug 18, 2:32 PM CDT | Special Weather Statement | DVN | Mercer | 43 min |
| Aug 18, 2:53 PM CDT | Special Weather Statement | DVN | Warren | 37 min |
| Aug 18, 3:13 PM CDT | Severe Thunderstorm Warning | DVN | Warren | 23 min |
| Aug 18, 3:14 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox | 46 min |
| Aug 18, 3:14 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 46 min |
| Aug 18, 3:16 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 27 more | 119 min |
| Aug 18, 3:51 PM CDT | Special Weather Statement | DVN | Henderson | 24 min |
| Aug 18, 3:53 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henderson, Henry and 16 more | 2 hr |
| Aug 18, 4:03 PM CDT | Special Weather Statement | DVN | McDonough | 27 min |
| Aug 18, 4:18 PM CDT | Tornado Warning | LOT | Livingston | 42 min |
| Aug 18, 4:19 PM CDT | Special Weather Statement | ILX | Cass, Fulton, Morgan, Scott | 41 min |
| Aug 18, 4:26 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Mercer, Rock Island | 64 min |
| Aug 18, 4:33 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason | 42 min |
| Aug 18, 4:36 PM CDT | Areal Flood Advisory | LSX | Macoupin | 4 hr |
| Aug 18, 4:39 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 51 min |
| Aug 18, 4:51 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Peoria | 39 min |
| Aug 18, 4:53 PM CDT | Special Weather Statement | DVN | Warren | 37 min |
| Aug 18, 5:02 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Madison, Montgomery | 43 min |
| Aug 18, 5:07 PM CDT | Tornado Warning | LOT | Livingston | 38 min |
| Aug 18, 5:19 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Stark | 29 min |
| Aug 18, 5:24 PM CDT | Severe Thunderstorm Warning | LSX | Fayette, Montgomery | 51 min |
| Aug 18, 5:40 PM CDT | Flash Flood Warning | DVN | Carroll, Jo Daviess, Stephenson, Whiteside | 6 hr |
| Aug 18, 6:07 PM CDT | Tornado Warning | ILX | McLean, Tazewell, Woodford | 23 min |
| Aug 18, 6:19 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, LaSalle, Livingston | 56 min |
| Aug 18, 6:35 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Champaign, Christian, Clark, Clay and 41 more | 115 min |
| Aug 18, 6:53 PM CDT | Special Weather Statement | LOT | Grundy, Kendall, Livingston | 52 min |
| Aug 18, 7:03 PM CDT | Flash Flood Warning | LOT | Ogle, Winnebago | 7 hr |
| Aug 18, 7:15 PM CDT | Tornado Warning | LOT | Will | 30 min |
| Aug 18, 7:36 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kankakee, Kendall, Will | 39 min |
| Aug 18, 7:41 PM CDT | Special Weather Statement | LOT | DuPage | 34 min |
| Aug 18, 7:59 PM CDT | Special Weather Statement | LOT | Cook | 46 min |
| Aug 18, 8:00 PM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 9 more | 90 min |
| Aug 18, 8:05 PM CDT | Tornado Warning | LOT | DuPage | 25 min |
| Aug 18, 8:09 PM CDT | Special Weather Statement | ILX | Edgar | 36 min |
| Aug 18, 8:11 PM CDT | Flash Flood Warning | LOT | Cook, DuPage, Lake, Will | 6 hr |
| Aug 18, 8:11 PM CDT | Special Marine Warning | LOT | 94 min | |
| Aug 18, 8:20 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 25 min |
| Aug 18, 8:26 PM CDT | Areal Flood Advisory | LSX | Bond | 3 hr |
| Aug 19, 3:22 AM CDT | Small Craft Advisory | LOT | 43 hr | |
| Aug 19, 4:33 AM CDT | River Flood Advisory | LOT | Will | 36 hr |
| Aug 22, 3:48 PM CDT | Small Craft Advisory | LOT | 71 hr | |
| Aug 22, 4:16 PM CDT | Special Weather Statement | LSX | Randolph | 44 min |
| Aug 22, 5:29 PM CDT | Areal Flood Advisory | PAH | Alexander, Union | 2 hr |
| Aug 22, 6:42 PM CDT | Areal Flood Advisory | PAH | Johnson | 2 hr |
| Aug 23, 5:35 AM CDT | Dense Fog Advisory | PAH | Edwards, Gallatin, Hamilton, Hardin, Saline, Wabash and 2 more | 2 hr |
| Aug 23, 7:11 AM CDT | Dense Fog Advisory | LSX | Bond, Clinton, Fayette, Marion, Montgomery, Washington | 109 min |
| Aug 23, 9:25 PM CDT | Small Craft Advisory | LOT | 24 hr | |
| Aug 29, 8:35 PM CDT | Marine Dense Fog Advisory | LOT | 15 hr | |
| Aug 30, 12:40 AM CDT | Dense Fog Advisory | DVN | Hancock, Henderson, Henry, McDonough, Mercer, Rock Island and 1 more | 10 hr |
| Aug 30, 7:14 PM CDT | Dense Fog Advisory | DVN | Carroll, Henderson, Henry, Jo Daviess, Mercer, Rock Island and 2 more | 11 hr |
| Aug 31, 12:50 AM CDT | Dense Fog Advisory | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kankakee and 6 more | 8 hr |
| Aug 31, 3:20 AM CDT | Marine Dense Fog Advisory | LOT | 7 hr | |
| Aug 31, 9:14 AM CDT | Areal Flood Advisory | LSX | Marion | 3 hr |
| Aug 31, 9:37 AM CDT | Flash Flood Warning | ILX | Clark, Coles, Cumberland, Edgar | 3 hr |
| Aug 31, 10:07 AM CDT | Marine Dense Fog Advisory | LOT | 6 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cook County24
- DuPage County19
- Will County15
- Kane County14
- Lake County13
- Kendall County12
- Saint Clair County12
- Grundy County11
- Kankakee County11
- Rock Island County11
- Warren County11
- Livingston County11
- DeKalb County10
- Boone County10
- Henry County10
- McHenry County10
- Mercer County10
- Henderson County9
- Madison County9
- Monroe County9
- Randolph County9
- Perry County9
- Iroquois County8
- Stephenson County8
- Winnebago County8
- Washington County8
- Carroll County7
- Jo Daviess County7
- LaSalle County7
- Lee County7
- Ogle County7
- Whiteside County7
- Ford County7
- Bond County7
- Clinton County7
- Macoupin County7
- Fulton County7
- Montgomery County7
- Bureau County6
- Knox County6
62 more counties
- Putnam County6
- Stark County6
- Marion County6
- Edwards County6
- Franklin County6
- Gallatin County6
- White County6
- McDonough County6
- Cass County6
- Peoria County6
- Marshall County5
- Hamilton County5
- Jackson County5
- Wabash County5
- Wayne County5
- Hancock County5
- Jersey County5
- Logan County5
- Mason County5
- Morgan County5
- Scott County5
- Woodford County5
- Fayette County5
- Alexander County4
- Johnson County4
- Saline County4
- Union County4
- Brown County4
- Shelby County4
- DeWitt County4
- Menard County4
- Sangamon County4
- Tazewell County4
- Calhoun County4
- Hardin County3
- Jefferson County3
- Pulaski County3
- Williamson County3
- Clark County3
- Cumberland County3
- Effingham County3
- McLean County3
- Adams County3
- Greene County3
- Pike County3
- Schuyler County3
- Christian County3
- Macon County3
- Moultrie County3
- Piatt County3
- Edgar County3
- Massac County2
- Pope County2
- Clay County2
- Crawford County2
- Jasper County2
- Lawrence County2
- Richland County2
- Champaign County2
- Vermilion County2
- Coles County2
- Douglas County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.