Alert archive / Illinois / 2017
Weather alerts in Illinois, August 2017
164 weather alerts in August 2017, 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 2017. Tap one for its archive.
- Alerts
- 164
- Warnings
- 33
- Watches
- 2
- Advisories
- 34
- Busiest day
- August 3, 201735 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, 12:37 PM CDT | Special Weather Statement | ILX | Champaign, Coles, DeWitt, Douglas, Edgar, Logan and 7 more | 3 hr |
| Aug 1, 1:43 PM CDT | Special Weather Statement | ILX | Cass, Christian, Clark, Cumberland, Mason, Menard and 5 more | 2 hr |
| Aug 1, 2:49 PM CDT | Areal Flood Advisory | ILX | Macon | 116 min |
| Aug 1, 4:32 PM CDT | Flash Flood Warning | ILX | McLean | 4 hr |
| Aug 1, 5:05 PM CDT | Special Weather Statement | LSX | Monroe | 40 min |
| Aug 1, 6:25 PM CDT | Areal Flood Advisory | LSX | Randolph | 3 hr |
| Aug 1, 7:40 PM CDT | Special Weather Statement | PAH | Jefferson | 35 min |
| Aug 1, 7:51 PM CDT | Special Weather Statement | PAH | Wayne | 39 min |
| Aug 2, 1:56 PM CDT | Special Weather Statement | PAH | Williamson | 49 min |
| Aug 2, 3:13 PM CDT | Special Weather Statement | DVN | Hancock | 62 min |
| Aug 2, 3:44 PM CDT | Special Weather Statement | DVN | McDonough | 61 min |
| Aug 2, 4:13 PM CDT | Special Weather Statement | ILX | Cass, Champaign, Christian, Coles, DeWitt, Douglas and 13 more | 2 hr |
| Aug 2, 4:16 PM CDT | Special Weather Statement | DVN | Rock Island | 59 min |
| Aug 2, 4:27 PM CDT | Special Weather Statement | DVN | McDonough | 63 min |
| Aug 3, 12:24 AM CDT | Areal Flood Advisory | LSX | Adams | 4 hr |
| Aug 3, 2:41 AM CDT | Gale Watch | LOT | 13 hr | |
| Aug 3, 11:11 AM CDT | Special Weather Statement | DVN | Carroll | 64 min |
| Aug 3, 11:55 AM CDT | Special Weather Statement | DVN | Stephenson | 65 min |
| Aug 3, 12:13 PM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Kane, Lake and 4 more | 2 hr |
| Aug 3, 12:19 PM CDT | Special Weather Statement | ILX | Mason | 56 min |
| Aug 3, 12:33 PM CDT | Special Weather Statement | LOT | Lake | 27 min |
| Aug 3, 12:49 PM CDT | Special Weather Statement | LOT | Will | 26 min |
| Aug 3, 1:11 PM CDT | Special Weather Statement | ILX | Logan, Tazewell | 64 min |
| Aug 3, 1:31 PM CDT | Special Weather Statement | LOT | Ford, Iroquois, Kankakee, Will | 59 min |
| Aug 3, 2:15 PM CDT | Special Weather Statement | ILX | McLean | 45 min |
| Aug 3, 2:49 PM CDT | Special Weather Statement | ILX | Champaign, Piatt | 56 min |
| Aug 3, 2:52 PM CDT | Special Weather Statement | LOT | Cook, Lake | 23 min |
| Aug 3, 3:02 PM CDT | Special Weather Statement | LOT | Ford, Iroquois | 28 min |
| Aug 3, 3:11 PM CDT | Gale Warning | LOT | 34 hr | |
| Aug 3, 3:11 PM CDT | Small Craft Advisory | LOT | 43 hr | |
| Aug 3, 3:42 PM CDT | Special Weather Statement | DVN | Henderson | 48 min |
| Aug 3, 4:46 PM CDT | Special Weather Statement | DVN | Mercer | 44 min |
| Aug 3, 5:08 PM CDT | Severe Thunderstorm Warning | DVN | Mercer, Warren | 21 min |
| Aug 3, 5:10 PM CDT | Severe Thunderstorm Warning | LOT | Lake | 50 min |
| Aug 3, 5:11 PM CDT | Special Weather Statement | DVN | Hancock | 64 min |
| Aug 3, 5:12 PM CDT | Special Weather Statement | ILX | Knox | 63 min |
| Aug 3, 5:16 PM CDT | Special Marine Warning | LOT | 89 min | |
| Aug 3, 5:18 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Fulton and 27 more | 2 hr |
| Aug 3, 5:43 PM CDT | Special Weather Statement | DVN | McDonough | 62 min |
| Aug 3, 5:45 PM CDT | Areal Flood Advisory | LOT | Lake | 3 hr |
| Aug 3, 5:46 PM CDT | Special Weather Statement | LSX | Bond | 44 min |
| Aug 3, 5:49 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Clinton, Madison | 20 min |
| Aug 3, 5:59 PM CDT | Special Weather Statement | ILX | Fulton | 61 min |
| Aug 3, 6:06 PM CDT | Severe Thunderstorm Warning | DVN | McDonough | 39 min |
| Aug 3, 6:20 PM CDT | Special Weather Statement | LOT | Winnebago | 25 min |
| Aug 3, 6:39 PM CDT | Special Weather Statement | LSX | Fayette | 51 min |
| Aug 3, 6:40 PM CDT | Special Weather Statement | ILX | Tazewell | 65 min |
| Aug 3, 6:45 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette, Montgomery | 17 min |
| Aug 3, 6:48 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Tazewell, Woodford | 57 min |
| Aug 3, 7:04 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Livingston | 41 min |
| Aug 3, 7:30 PM CDT | Special Weather Statement | ILX | Menard | 60 min |
| Aug 3, 7:51 PM CDT | Special Weather Statement | LOT | Kendall | 24 min |
| Aug 3, 8:01 PM CDT | Severe Thunderstorm Warning | LOT | Kendall | 29 min |
| Aug 3, 8:12 PM CDT | Special Weather Statement | LOT | Grundy | 18 min |
| Aug 3, 8:17 PM CDT | Special Weather Statement | LOT | Livingston | 28 min |
| Aug 3, 8:27 PM CDT | Special Weather Statement | LOT | DuPage | 33 min |
| Aug 3, 8:35 PM CDT | Special Weather Statement | LOT | Kankakee, Will | 25 min |
| Aug 3, 8:54 PM CDT | Special Weather Statement | LOT | Will | 36 min |
| Aug 3, 8:57 PM CDT | Special Weather Statement | ILX | Champaign | 63 min |
| Aug 3, 9:13 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Piatt | 32 min |
| Aug 3, 9:19 PM CDT | Special Weather Statement | LOT | Ford | 26 min |
| Aug 3, 9:30 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Piatt | 20 min |
| Aug 3, 9:46 PM CDT | Special Weather Statement | LOT | Iroquois | 29 min |
| Aug 6, 9:32 PM CDT | Small Craft Advisory | LOT | 30 hr | |
| Aug 10, 2:07 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henderson, Henry and 11 more | 113 min |
| Aug 10, 2:27 PM CDT | Special Weather Statement | DVN | Jo Daviess | 48 min |
| Aug 10, 2:47 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 17 more | 6 hr |
| Aug 10, 2:57 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess, Stephenson | 48 min |
| Aug 10, 3:47 PM CDT | Special Weather Statement | LOT | Boone | 13 min |
| Aug 10, 4:02 PM CDT | Special Weather Statement | LOT | Boone | 13 min |
| Aug 10, 4:06 PM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry | 24 min |
| Aug 10, 4:20 PM CDT | Special Marine Warning | LOT | 115 min | |
| Aug 10, 4:28 PM CDT | Special Weather Statement | LOT | McHenry | 32 min |
| Aug 10, 4:46 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island, Whiteside | 44 min |
| Aug 10, 5:12 PM CDT | Special Weather Statement | DVN | Henderson, Warren | 63 min |
| Aug 10, 5:14 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Mercer, Warren | 15 min |
| Aug 10, 5:30 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry, Whiteside | 45 min |
| Aug 10, 5:31 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 23 more | 89 min |
| Aug 10, 5:33 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Warren | 57 min |
| Aug 10, 5:54 PM CDT | Special Weather Statement | DVN | Hancock | 66 min |
| Aug 10, 6:04 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, Henderson, McDonough, Warren | 56 min |
| Aug 10, 6:20 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry, Whiteside | 55 min |
| Aug 10, 6:25 PM CDT | Severe Thunderstorm Warning | DVN | Warren | 27 min |
| Aug 10, 6:48 PM CDT | Special Weather Statement | ILX | Schuyler | 42 min |
| Aug 10, 7:05 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Schuyler | 40 min |
| Aug 10, 7:18 PM CDT | Special Weather Statement | DVN | Bureau, Putnam | 27 min |
| Aug 10, 7:32 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 15 min |
| Aug 10, 7:34 PM CDT | Special Weather Statement | ILX | Cass, Mason | 41 min |
| Aug 10, 7:36 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 39 min |
| Aug 10, 7:50 PM CDT | Special Weather Statement | DVN | Hancock, McDonough | 25 min |
| Aug 10, 8:32 PM CDT | Special Weather Statement | ILX | Logan | 43 min |
| Aug 10, 8:36 PM CDT | Special Weather Statement | LSX | Brown | 54 min |
| Aug 10, 8:42 PM CDT | Special Weather Statement | ILX | Schuyler | 63 min |
| Aug 11, 9:58 AM CDT | Small Craft Advisory | LOT | 36 hr | |
| Aug 15, 4:04 AM CDT | Dense Fog Advisory | PAH | Alexander, Jackson, Johnson, Massac, Pulaski, Union | 5 hr |
| Aug 15, 2:13 PM CDT | Special Weather Statement | DVN | Henderson | 47 min |
| Aug 16, 2:35 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Bureau, Calhoun, Cass and 31 more | 2 hr |
| Aug 16, 4:02 PM CDT | Special Weather Statement | LSX | Jersey | 43 min |
| Aug 16, 8:59 PM CDT | Small Craft Advisory | LOT | 37 hr | |
| Aug 18, 6:33 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, Henderson, McDonough, Warren | 42 min |
| Aug 18, 10:17 PM CDT | Special Weather Statement | LOT | Ford | 28 min |
| Aug 18, 10:35 PM CDT | Special Weather Statement | LOT | Ford | 25 min |
| Aug 18, 11:11 PM CDT | Special Weather Statement | ILX | Champaign, Vermilion | 49 min |
| Aug 19, 5:07 AM CDT | Special Weather Statement | PAH | Wayne | 23 min |
| Aug 19, 5:39 AM CDT | Special Weather Statement | PAH | Hamilton | 36 min |
| Aug 19, 5:48 AM CDT | Severe Thunderstorm Warning | PAH | Hamilton, White | 42 min |
| Aug 19, 6:21 AM CDT | Special Weather Statement | LSX | Marion | 9 min |
| Aug 19, 6:48 AM CDT | Special Weather Statement | PAH | Hamilton | 27 min |
| Aug 20, 1:06 PM CDT | Mesoscale Discussion | SPC | Alexander, Jackson, Johnson, Pulaski, Randolph, Union | 84 min |
| Aug 20, 10:33 PM CDT | Special Weather Statement | LOT | Kane | 27 min |
| Aug 20, 10:56 PM CDT | Special Weather Statement | LOT | Iroquois | 49 min |
| Aug 21, 2:34 AM CDT | Special Weather Statement | ILX | Vermilion | 26 min |
| Aug 21, 7:25 AM CDT | Special Weather Statement | ILX | Knox | 35 min |
| Aug 21, 12:23 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland | 52 min |
| Aug 21, 12:41 PM CDT | Mesoscale Discussion | SPC | Clark, Coles, Crawford, Cumberland, Edgar, Effingham and 3 more | 94 min |
| Aug 21, 12:49 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Coles, Cumberland, Edgar | 41 min |
| Aug 21, 2:17 PM CDT | Special Weather Statement | LSX | Madison | 43 min |
| Aug 21, 3:07 PM CDT | Small Craft Advisory | LOT | 53 hr | |
| Aug 21, 3:29 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clark, Clay, Clinton, Crawford and 22 more | 91 min |
| Aug 21, 3:49 PM CDT | Special Weather Statement | LSX | Clinton | 41 min |
| Aug 21, 4:39 PM CDT | Special Weather Statement | LSX | Washington | 51 min |
| Aug 21, 4:47 PM CDT | Special Weather Statement | PAH | Edwards, Jefferson, Wabash, Wayne | 43 min |
| Aug 21, 5:12 PM CDT | Special Weather Statement | PAH | Jefferson | 48 min |
| Aug 21, 5:28 PM CDT | Special Weather Statement | PAH | Edwards, Wabash | 47 min |
| Aug 21, 6:12 PM CDT | Flash Flood Warning | PAH | Edwards, Wabash | 3 hr |
| Aug 21, 6:39 PM CDT | Special Weather Statement | PAH | Wayne | 36 min |
| Aug 21, 7:18 PM CDT | Areal Flood Advisory | PAH | Alexander, Pulaski, Union | 3 hr |
| Aug 22, 12:36 AM CDT | Areal Flood Advisory | LSX | Adams | 6 hr |
| Aug 22, 3:16 AM CDT | Areal Flood Advisory | LOT | Ford, Iroquois | 4 hr |
| Aug 22, 4:34 AM CDT | Areal Flood Advisory | ILX | Champaign, McLean, Vermilion | 3 hr |
| Aug 22, 11:16 PM CDT | River Flood Advisory | LOT | Iroquois | 36 hr |
| Aug 24, 12:43 PM CDT | Special Marine Warning | LOT | 92 min | |
| Aug 24, 3:25 PM CDT | Beach Hazards Statement | LOT | Lake | 6 hr |
| Aug 27, 7:08 PM CDT | Special Weather Statement | DVN | Jo Daviess | 67 min |
| Aug 28, 2:18 AM CDT | Dense Fog Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 9 hr |
| Aug 28, 2:34 AM CDT | Dense Fog Advisory | ILX | Cass, Fulton, Knox, Marshall, Mason, Menard and 7 more | 6 hr |
| Aug 28, 3:47 AM CDT | Dense Fog Advisory | LSX | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 1 more | 7 hr |
| Aug 28, 2:10 PM CDT | Special Weather Statement | LOT | Ford, Grundy, Kendall, LaSalle, Livingston, Will | 65 min |
| Aug 28, 2:23 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 37 min |
| Aug 28, 2:53 PM CDT | Areal Flood Advisory | LOT | Grundy, Kendall, LaSalle, Livingston, Will | 3 hr |
| Aug 28, 3:07 PM CDT | Special Weather Statement | LSX | Macoupin | 38 min |
| Aug 28, 3:19 PM CDT | Special Weather Statement | ILX | McLean | 41 min |
| Aug 28, 3:38 PM CDT | Special Weather Statement | LOT | Will | 22 min |
| Aug 28, 3:41 PM CDT | Special Weather Statement | LOT | Ford | 34 min |
| Aug 28, 3:51 PM CDT | Special Weather Statement | LOT | LaSalle | 24 min |
| Aug 28, 3:58 PM CDT | Special Weather Statement | LOT | Ford | 32 min |
| Aug 28, 4:07 PM CDT | Areal Flood Advisory | LOT | Ford, Livingston | 3 hr |
| Aug 28, 4:35 PM CDT | Special Weather Statement | LOT | Ford | 25 min |
| Aug 28, 4:42 PM CDT | Areal Flood Advisory | LOT | LaSalle | 3 hr |
| Aug 28, 5:25 PM CDT | Areal Flood Advisory | ILX | Christian, Macon | 6 hr |
| Aug 28, 6:00 PM CDT | Areal Flood Advisory | ILX | Champaign | 3 hr |
| Aug 28, 6:33 PM CDT | Special Weather Statement | ILX | McLean | 57 min |
| Aug 28, 11:07 PM CDT | Dense Fog Advisory | ILX | Cass, Christian, DeWitt, Fulton, Knox, Logan and 14 more | 11 hr |
| Aug 29, 12:50 AM CDT | Areal Flood Advisory | PAH | Massac | 115 min |
| Aug 29, 2:02 AM CDT | Dense Fog Advisory | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 9 more | 7 hr |
| Aug 29, 2:41 AM CDT | Dense Fog Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 8 hr |
| Aug 29, 4:15 AM CDT | Dense Fog Advisory | LSX | Adams, Bond, Brown, Calhoun, Clinton, Greene and 9 more | 6 hr |
| Aug 30, 3:23 AM CDT | Small Craft Advisory | LOT | 64 hr | |
| Aug 30, 3:47 AM CDT | Beach Hazards Statement | LOT | Lake | 66 hr |
| Aug 30, 4:30 AM CDT | Dense Fog Advisory | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 9 more | 5 hr |
| Aug 30, 4:37 AM CDT | Dense Fog Advisory | ILX | Cass, Champaign, Christian, DeWitt, Douglas, Fulton and 18 more | 4 hr |
| Aug 30, 4:52 AM CDT | Dense Fog Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 4 hr |
| Aug 31, 3:41 AM CDT | Lake Wind Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 39 hr |
| Aug 31, 2:49 PM CDT | Lakeshore Flood Advisory | LOT | 13 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 | 27 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 8 |
| Special Weather Statement | 85 |
| Flooding | |
| Flash Flood Warning | 2 |
| Areal Flood Advisory | 14 |
| River Flood Advisory | 1 |
| Wind and dust | |
| Lake Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 11 |
| Coast and beach | |
| Lakeshore Flood Advisory | 1 |
| Beach Hazards Statement | 2 |
| Marine | |
| Gale Warning | 1 |
| Special Marine Warning | 3 |
| 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.
- Henderson County14
- Warren County14
- Ford County13
- Bureau County12
- McDonough County11
- Mercer County11
- Whiteside County11
- Champaign County10
- McLean County10
- Hancock County10
- Rock Island County10
- Boone County10
- Will County10
- Henry County10
- LaSalle County10
- Tazewell County9
- Mason County9
- Schuyler County9
- Stephenson County9
- Lake County9
- Knox County9
- Grundy County9
- Jo Daviess County9
- Kendall County9
- Livingston County9
- Logan County8
- Carroll County8
- McHenry County8
- Winnebago County8
- Iroquois County8
- Putnam County8
- Piatt County7
- Woodford County7
- Cass County7
- Menard County7
- DeKalb County7
- DuPage County7
- Kane County7
- Ogle County7
- Fulton County7
62 more counties
- Stark County7
- Macon County6
- Vermilion County6
- Christian County6
- Morgan County6
- Scott County6
- Wayne County6
- Lee County6
- Peoria County6
- Bond County6
- Coles County5
- Cumberland County5
- Sangamon County5
- Jefferson County5
- Adams County5
- Cook County5
- Kankakee County5
- Marshall County5
- Clinton County5
- Madison County5
- Jersey County5
- Macoupin County5
- Hamilton County5
- Edwards County5
- Wabash County5
- DeWitt County4
- Edgar County4
- Clark County4
- Monroe County4
- Montgomery County4
- Brown County4
- Alexander County4
- Pulaski County4
- Union County4
- Calhoun County4
- Greene County4
- Washington County4
- Douglas County3
- Moultrie County3
- Shelby County3
- Randolph County3
- Fayette County3
- Jackson County3
- Johnson County3
- Massac County3
- Pike County3
- Saint Clair County3
- White County3
- Williamson County2
- Marion County2
- Crawford County2
- Effingham County2
- Jasper County2
- Lawrence County2
- Richland County2
- Clay County1
- Franklin County1
- Gallatin County1
- Hardin County1
- Perry County1
- Pope County1
- Saline County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.