Alert archive / Illinois / 2015
Weather alerts in Illinois, September 2015
151 weather alerts in September 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 September 2015. Tap one for its archive.
- Alerts
- 151
- Warnings
- 65
- Watches
- 7
- Advisories
- 22
- Busiest day
- September 18, 201528 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 31, 9:17 PM CDT | Marine Dense Fog Advisory | LOT | 16 hr | |
| Sep 1, 7:43 AM CDT | Flash Flood Warning | ILX | Clark, Crawford, Cumberland, Jasper | 3 hr |
| Sep 1, 8:33 AM CDT | Areal Flood Advisory | ILX | Champaign, Douglas, Edgar, Vermilion | 3 hr |
| Sep 1, 8:40 AM CDT | Flash Flood Warning | ILX | Clark, Edgar | 3 hr |
| Sep 1, 9:34 AM CDT | Flash Flood Warning | ILX | Vermilion | 3 hr |
| Sep 1, 10:23 AM CDT | Areal Flood Advisory | LOT | Iroquois | 4 hr |
| Sep 1, 10:43 AM CDT | Areal Flood Warning | ILX | Clark, Crawford, Cumberland, Jasper | 3 hr |
| Sep 1, 7:09 PM CDT | Special Weather Statement | ILX | Macon | 36 min |
| Sep 1, 7:20 PM CDT | Special Weather Statement | ILX | Piatt | 25 min |
| Sep 1, 7:49 PM CDT | Flash Flood Warning | ILX | Piatt | 3 hr |
| Sep 3, 7:12 PM CDT | Special Weather Statement | LOT | McHenry | 33 min |
| Sep 3, 7:45 PM CDT | Special Weather Statement | LOT | McHenry | 45 min |
| Sep 4, 4:27 PM CDT | Areal Flood Advisory | LOT | Iroquois | 3 hr |
| Sep 4, 4:37 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 68 min |
| Sep 4, 4:48 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois, Kankakee | 33 min |
| Sep 4, 5:39 PM CDT | Special Weather Statement | LOT | Iroquois | 51 min |
| Sep 4, 5:44 PM CDT | Severe Thunderstorm Warning | ILX | Macon, Moultrie, Piatt | 31 min |
| Sep 4, 5:54 PM CDT | Special Weather Statement | ILX | Vermilion | 21 min |
| Sep 4, 5:57 PM CDT | Special Weather Statement | LOT | Iroquois | 48 min |
| Sep 4, 6:25 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 20 min |
| Sep 4, 6:29 PM CDT | Special Weather Statement | LOT | Iroquois | 46 min |
| Sep 4, 6:49 PM CDT | Special Weather Statement | ILX | Vermilion | 26 min |
| Sep 4, 6:55 PM CDT | Special Weather Statement | ILX | McLean | 20 min |
| Sep 4, 7:17 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, McLean, Piatt | 28 min |
| Sep 4, 7:23 PM CDT | Special Weather Statement | ILX | Vermilion | 37 min |
| Sep 4, 8:02 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 28 min |
| Sep 4, 8:16 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Piatt | 29 min |
| Sep 4, 8:58 PM CDT | Special Weather Statement | ILX | Champaign, DeWitt, Douglas, Edgar, McLean, Piatt | 47 min |
| Sep 4, 9:49 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Douglas | 26 min |
| Sep 4, 9:51 PM CDT | Flash Flood Warning | ILX | Douglas | 3 hr |
| Sep 5, 7:01 AM CDT | Areal Flood Advisory | LOT | Iroquois, Kankakee | 3 hr |
| Sep 5, 7:45 AM CDT | Areal Flood Advisory | ILX | Vermilion | 3 hr |
| Sep 5, 8:16 AM CDT | Special Weather Statement | LOT | Cook | 44 min |
| Sep 5, 8:30 AM CDT | Flash Flood Warning | ILX | Vermilion | 4 hr |
| Sep 5, 9:29 AM CDT | Flash Flood Warning | LOT | Iroquois | 4 hr |
| Sep 5, 9:46 AM CDT | Special Marine Warning | LOT | 59 min | |
| Sep 5, 10:47 AM CDT | Special Marine Warning | LOT | 88 min | |
| Sep 7, 3:24 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 28 hr |
| Sep 8, 4:00 AM CDT | Special Weather Statement | DVN | Whiteside | 60 min |
| Sep 8, 9:52 AM CDT | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Cass, DeKalb and 25 more | 113 min |
| Sep 8, 10:41 AM CDT | Special Weather Statement | DVN | Hancock | 34 min |
| Sep 8, 10:54 AM CDT | Special Weather Statement | DVN | McDonough | 51 min |
| Sep 8, 12:20 PM CDT | Special Weather Statement | LOT | Grundy, Kendall | 40 min |
| Sep 8, 12:41 PM CDT | Special Marine Warning | LOT | 2 hr | |
| Sep 8, 1:08 PM CDT | Areal Flood Advisory | LOT | Cook | 3 hr |
| Sep 8, 1:14 PM CDT | Special Weather Statement | LOT | Cook, Will | 61 min |
| Sep 8, 1:29 PM CDT | Mesoscale Discussion | SPC | Champaign, Coles, DeWitt, Douglas, Edgar, Ford and 7 more | 91 min |
| Sep 8, 5:06 PM CDT | Areal Flood Advisory | ILX | Coles | 114 min |
| Sep 9, 7:24 AM CDT | Areal Flood Advisory | PAH | Franklin, Jackson, Jefferson, Perry, Williamson | 3 hr |
| Sep 10, 3:20 AM CDT | Small Craft Advisory | LOT | 3 days | |
| Sep 10, 3:32 AM CDT | Lakeshore Flood Statement | LOT | Lake | 13 hr |
| Sep 10, 3:45 AM CDT | Dense Fog Advisory | ILX | Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more | 4 hr |
| Sep 10, 9:00 AM CDT | Special Weather Statement | DVN | Jo Daviess | 75 min |
| Sep 10, 10:56 AM CDT | Special Weather Statement | DVN | Whiteside | 49 min |
| Sep 10, 12:38 PM CDT | Special Weather Statement | DVN | Bureau | 37 min |
| Sep 10, 12:47 PM CDT | Mesoscale Discussion | SPC | Bureau, DeKalb, DuPage, Ford, Fulton, Grundy and 22 more | 58 min |
| Sep 10, 1:12 PM CDT | Special Weather Statement | DVN | Putnam | 33 min |
| Sep 10, 2:06 PM CDT | Special Weather Statement | DVN | Warren | 24 min |
| Sep 10, 2:32 PM CDT | Severe Thunderstorm Warning | DVN | Henderson | 23 min |
| Sep 10, 2:39 PM CDT | Special Weather Statement | LOT | Iroquois | 51 min |
| Sep 10, 2:40 PM CDT | Special Weather Statement | LSX | Monroe, Randolph | 50 min |
| Sep 10, 2:58 PM CDT | Severe Thunderstorm Warning | DVN | Warren | 47 min |
| Sep 10, 3:04 PM CDT | Special Weather Statement | LSX | Monroe | 41 min |
| Sep 10, 3:22 PM CDT | Special Weather Statement | ILX | Fulton | 38 min |
| Sep 10, 3:35 PM CDT | Special Weather Statement | DVN | McDonough | 25 min |
| Sep 10, 4:04 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason, Tazewell | 26 min |
| Sep 10, 4:13 PM CDT | Beach Hazards Statement | LOT | Lake | 60 hr |
| Sep 10, 4:28 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason, Schuyler | 32 min |
| Sep 10, 4:56 PM CDT | Tornado Warning | ILX | Cass, Mason, Menard | 34 min |
| Sep 10, 5:24 PM CDT | Severe Thunderstorm Warning | ILX | Menard, Sangamon | 36 min |
| Sep 10, 7:38 PM CDT | Flash Flood Warning | LSX | Bond | 4 hr |
| Sep 10, 8:22 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 5 more | 113 min |
| Sep 10, 8:34 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Washington | 33 min |
| Sep 11, 1:08 AM CDT | Special Weather Statement | ILX | Morgan | 52 min |
| Sep 11, 2:39 AM CDT | Areal Flood Advisory | ILX | Morgan, Scott | 4 hr |
| Sep 11, 8:35 AM CDT | Special Marine Warning | LOT | 85 min | |
| Sep 11, 10:03 AM CDT | Small Craft Advisory | LOT | 42 hr | |
| Sep 12, 3:42 AM CDT | Special Marine Warning | LOT | 3 hr | |
| Sep 12, 6:43 AM CDT | Special Marine Warning | LOT | 3 hr | |
| Sep 12, 10:38 AM CDT | Special Marine Warning | LOT | 3 hr | |
| Sep 12, 10:55 AM CDT | Special Weather Statement | LOT | Cook | 80 min |
| Sep 12, 12:17 PM CDT | Special Weather Statement | LOT | Cook | 88 min |
| Sep 12, 1:35 PM CDT | Special Marine Warning | LOT | 115 min | |
| Sep 12, 2:54 PM CDT | Special Weather Statement | PAH | Wabash | 36 min |
| Sep 13, 3:12 PM CDT | Small Craft Advisory | LOT | 28 hr | |
| Sep 15, 3:24 AM CDT | Small Craft Advisory | LOT | 9 hr | |
| Sep 17, 1:49 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, DeKalb, DuPage, Grundy, Henry and 14 more | 116 min |
| Sep 17, 2:41 PM CDT | Special Weather Statement | LOT | Boone, McHenry | 49 min |
| Sep 17, 3:02 PM CDT | Gale Watch | LOT | 24 hr | |
| Sep 17, 3:38 PM CDT | Special Weather Statement | LOT | DeKalb, Kane | 67 min |
| Sep 17, 3:50 PM CDT | Special Weather Statement | DVN | Carroll | 40 min |
| Sep 17, 4:22 PM CDT | Special Marine Warning | LOT | 83 min | |
| Sep 17, 4:22 PM CDT | Special Weather Statement | LOT | Lake | 38 min |
| Sep 17, 4:48 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess, Stephenson | 42 min |
| Sep 17, 5:23 PM CDT | Severe Thunderstorm Warning | LOT | Ogle, Winnebago | 52 min |
| Sep 17, 5:40 PM CDT | Special Weather Statement | DVN | Stephenson | 20 min |
| Sep 17, 6:02 PM CDT | Severe Thunderstorm Warning | LOT | Ogle, Winnebago | 43 min |
| Sep 17, 6:39 PM CDT | Special Weather Statement | LOT | DeKalb | 51 min |
| Sep 17, 7:50 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 25 min |
| Sep 17, 9:14 PM CDT | Severe Thunderstorm Warning | DVN | Mercer, Rock Island | 31 min |
| Sep 17, 11:55 PM CDT | Flash Flood Warning | DVN | Carroll, Whiteside | 6 hr |
| Sep 18, 12:31 AM CDT | Flash Flood Warning | LOT | Lake, McHenry | 8 hr |
| Sep 18, 1:15 AM CDT | Flash Flood Warning | LOT | Lee, Ogle | 8 hr |
| Sep 18, 1:25 AM CDT | Special Weather Statement | DVN | Carroll, Whiteside | 65 min |
| Sep 18, 3:43 AM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more | 23 hr |
| Sep 18, 3:51 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more | 20 hr |
| Sep 18, 9:38 AM CDT | River Flood Warning | LOT | Lake | 5 days |
| Sep 18, 9:38 AM CDT | River Flood Warning | LOT | Lake | 6 days |
| Sep 18, 9:57 AM CDT | River Flood Watch | LOT | Kane, McHenry | 7 days |
| Sep 18, 9:57 AM CDT | River Flood Watch | LOT | Kane, Kendall | 4 days |
| Sep 18, 9:57 AM CDT | River Flood Watch | LOT | 63 hr | |
| Sep 18, 2:03 PM CDT | Special Weather Statement | DVN | Hancock, McDonough | 42 min |
| Sep 18, 2:42 PM CDT | Special Weather Statement | DVN | McDonough | 33 min |
| Sep 18, 2:59 PM CDT | Flash Flood Warning | DVN | Hancock, Henderson, McDonough, Warren | 8 hr |
| Sep 18, 3:01 PM CDT | Gale Warning | LOT | 20 hr | |
| Sep 18, 3:07 PM CDT | Flash Flood Warning | ILX | Fulton, Knox, Peoria | 6 hr |
| Sep 18, 3:16 PM CDT | Beach Hazards Statement | LOT | Lake | 31 hr |
| Sep 18, 3:22 PM CDT | Special Weather Statement | DVN | Bureau, Putnam | 53 min |
| Sep 18, 4:40 PM CDT | Flash Flood Warning | ILX | Peoria, Tazewell, Woodford | 5 hr |
| Sep 18, 4:44 PM CDT | Tornado Warning | LOT | Cook, Will | 31 min |
| Sep 18, 5:17 PM CDT | Special Weather Statement | ILX | McLean | 28 min |
| Sep 18, 5:20 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 9 more | 2 hr |
| Sep 18, 5:32 PM CDT | Flash Flood Warning | LOT | Cook, Kendall, Will | 6 hr |
| Sep 18, 5:51 PM CDT | Flash Flood Warning | ILX | Peoria, Tazewell | 4 hr |
| Sep 18, 6:27 PM CDT | Flash Flood Warning | LOT | DeKalb, Grundy, Kane, Kendall, LaSalle | 6 hr |
| Sep 18, 6:51 PM CDT | Flash Flood Warning | LOT | Cook, DeKalb, DuPage, Kane, Lake, McHenry | 6 hr |
| Sep 18, 7:10 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 24 min |
| Sep 18, 7:31 PM CDT | Special Weather Statement | LOT | Ford, Iroquois | 44 min |
| Sep 18, 8:00 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois | 75 min |
| Sep 18, 8:32 PM CDT | Tornado Warning | LOT | Iroquois | 43 min |
| Sep 18, 8:50 PM CDT | Special Weather Statement | DVN | Henderson, Mercer, Rock Island, Warren | 55 min |
| Sep 18, 9:24 PM CDT | Special Weather Statement | DVN | Henry | 21 min |
| Sep 18, 9:51 PM CDT | Flash Flood Warning | ILX | Vermilion | 3 hr |
| Sep 18, 9:53 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 31 min |
| Sep 18, 10:02 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 26 min |
| Sep 18, 11:34 PM CDT | Special Weather Statement | LOT | DuPage, Kane, Kendall, LaSalle | 26 min |
| Sep 18, 11:54 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Grundy, Kane, Kendall, Will | 66 min |
| Sep 19, 12:17 AM CDT | Flash Flood Warning | LOT | Cook, DuPage, Kane, Kendall, Will | 6 hr |
| Sep 19, 12:31 AM CDT | Special Marine Warning | LOT | 89 min | |
| Sep 19, 1:09 AM CDT | Areal Flood Warning | ILX | Vermilion | 6 hr |
| Sep 19, 2:53 AM CDT | Flash Flood Warning | ILX | Champaign, Vermilion | 4 hr |
| Sep 19, 10:54 AM CDT | Small Craft Advisory | LOT | 14 hr | |
| Sep 19, 11:24 AM CDT | River Flood Advisory | LOT | Will | 44 hr |
| Sep 19, 11:24 AM CDT | River Flood Advisory | LOT | Kane, Kendall | 56 hr |
| Sep 19, 2:34 PM CDT | River Flood Advisory | LOT | Lake | 36 hr |
| Sep 19, 2:34 PM CDT | River Flood Advisory | LOT | Cook | 36 hr |
| Sep 19, 7:38 PM CDT | River Flood Advisory | LOT | Iroquois | 34 hr |
| Sep 20, 8:52 PM CDT | River Flood Warning | LOT | Lake | 22 hr |
| Sep 21, 8:41 PM CDT | River Flood Warning | LOT | Lake | 22 hr |
| Sep 28, 4:17 AM CDT | Lakeshore Flood Statement | LOT | 45 hr | |
| Sep 28, 9:54 AM CDT | Small Craft Advisory | LOT | 4 days |
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.
- Iroquois County16
- Vermilion County14
- Lake County14
- Kane County13
- Kendall County12
- Cook County11
- McDonough County10
- Will County10
- McHenry County9
- Warren County8
- DeKalb County8
- DuPage County8
- Fulton County8
- Piatt County7
- Bureau County7
- Hancock County7
- Henderson County7
- Putnam County7
- Whiteside County7
- Grundy County7
- Champaign County6
- McLean County6
- LaSalle County6
- Mason County6
- Ogle County6
- Douglas County5
- Carroll County5
- Henry County5
- Mercer County5
- Rock Island County5
- Stephenson County5
- Peoria County5
- Tazewell County5
- Clark County4
- Edgar County4
- Kankakee County4
- Jo Daviess County4
- Boone County4
- Cass County4
- Knox County4
38 more counties
- Lee County4
- Menard County4
- Schuyler County4
- Ford County4
- Winnebago County4
- Crawford County3
- Cumberland County3
- Jasper County3
- Macon County3
- DeWitt County3
- Coles County3
- Adams County3
- Brown County3
- Marshall County3
- Stark County3
- Woodford County3
- Scott County3
- Morgan County3
- Moultrie County2
- Livingston County2
- Logan County2
- Monroe County2
- Pike County2
- Franklin County1
- Jackson County1
- Jefferson County1
- Perry County1
- Williamson County1
- Clay County1
- Effingham County1
- Lawrence County1
- Richland County1
- Randolph County1
- Sangamon County1
- Bond County1
- Clinton County1
- Washington County1
- Wabash 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.