Alert archive / Illinois / 2021
Weather alerts in Illinois, November 2021
42 weather alerts in November 2021, 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 November 2021. Tap one for its archive.
- Alerts
- 42
- Warnings
- 14
- Watches
- 4
- Advisories
- 20
- Busiest day
- November 2, 20217 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 |
|---|---|---|---|---|
| Oct 31, 8:14 PM CDT | Freeze Warning | ILX | Knox, Marshall, Stark | 13 hr |
| Nov 1, 2:14 PM CDT | Freeze Warning | DVN | Hancock, Henderson, McDonough, Warren | 19 hr |
| Nov 1, 2:32 PM CDT | Freeze Warning | LSX | Adams, Brown, Pike | 18 hr |
| Nov 1, 2:41 PM CDT | Freeze Warning | ILX | Cass, Champaign, DeWitt, Fulton, Knox, Logan and 15 more | 18 hr |
| Nov 2, 3:25 AM CDT | Freeze Watch | LSX | Randolph | 24 hr |
| Nov 2, 3:38 AM CDT | Freeze Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 24 hr |
| Nov 2, 9:37 AM CDT | River Flood Warning | LSX | Pike, Scott | 5 days |
| Nov 2, 11:21 AM CDT | Freeze Warning | PAH | Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 7 more | 22 hr |
| Nov 2, 2:04 PM CDT | Freeze Warning | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more | 19 hr |
| Nov 2, 2:11 PM CDT | Freeze Warning | ILX | Christian, Clark, Clay, Coles, Crawford, Cumberland and 8 more | 19 hr |
| Nov 2, 3:20 PM CDT | Frost Advisory | PAH | Johnson, Massac, Pope, Pulaski, Union | 18 hr |
| Nov 3, 3:14 AM CDT | Freeze Warning | LSX | Randolph | 30 hr |
| Nov 3, 3:19 AM CDT | Freeze Warning | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 30 hr |
| Nov 5, 2:40 PM CDT | Small Craft Advisory | LOT | 13 hr | |
| Nov 9, 2:25 PM CST | Small Craft Advisory | LOT | 4 days | |
| Nov 10, 2:28 AM CST | Dense Fog Advisory | LOT | Ford, Iroquois, Kankakee | 7 hr |
| Nov 10, 2:35 AM CST | Dense Fog Advisory | ILX | Champaign, Clark, Coles, Crawford, Cumberland, DeWitt and 10 more | 6 hr |
| Nov 11, 7:16 PM CST | Special Weather Statement | DVN | Jo Daviess, Mercer, Rock Island | 59 min |
| Nov 12, 2:28 PM CST | Special Weather Statement | LOT | Cook | 47 min |
| Nov 12, 2:31 PM CST | Special Marine Warning | LOT | 89 min | |
| Nov 12, 2:42 PM CST | Special Weather Statement | DVN | Carroll, Henry, Mercer, Rock Island, Whiteside | 48 min |
| Nov 13, 3:58 AM CST | Gale Watch | LOT | 11 hr | |
| Nov 13, 3:03 PM CST | Gale Warning | LOT | 31 hr | |
| Nov 14, 2:11 AM CST | Wind Advisory | ILX | Knox | 8 hr |
| Nov 14, 2:27 AM CST | Wind Advisory | DVN | Carroll, Henderson, Henry, Mercer, Rock Island, Warren and 1 more | 7 hr |
| Nov 14, 3:37 AM CST | Small Craft Advisory | LOT | 8 hr | |
| Nov 14, 10:05 PM CST | Small Craft Advisory | LOT | 12 hr | |
| Nov 15, 2:41 PM CST | Small Craft Advisory | LOT | 42 hr | |
| Nov 17, 2:43 PM CST | Small Craft Advisory | LOT | 18 hr | |
| Nov 18, 8:58 AM CST | Gale Warning | LOT | 12 hr | |
| Nov 18, 8:58 AM CST | Small Craft Advisory | LOT | 21 hr | |
| Nov 19, 2:58 AM CST | Small Craft Advisory | LOT | 31 hr | |
| Nov 19, 3:03 PM CST | Gale Watch | LOT | 24 hr | |
| Nov 20, 3:11 PM CST | Gale Warning | LOT | 36 hr | |
| Nov 22, 2:37 AM CST | Small Craft Advisory | LOT | 24 hr | |
| Nov 22, 2:30 PM CST | Small Craft Advisory | LOT | 55 hr | |
| Nov 24, 2:29 PM CST | Small Craft Advisory | LOT | 49 hr | |
| Nov 26, 9:49 PM CST | Special Weather Statement | DVN | Bureau, Putnam | 56 min |
| Nov 27, 3:30 AM CST | Small Craft Advisory | LOT | 48 hr | |
| Nov 27, 8:13 AM CST | Winter Weather Advisory | LOT | Boone, DeKalb, Kane, Lee, McHenry, Ogle and 1 more | 3 hr |
| Nov 27, 8:16 AM CST | Winter Weather Advisory | DVN | Carroll, Jo Daviess, Stephenson, Whiteside | 2 hr |
| Nov 29, 2:56 AM CST | Small Craft Advisory | LOT | 36 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 | |
| Special Weather Statement | 4 |
| Flooding | |
| River Flood Warning | 1 |
| Winter | |
| Winter Weather Advisory | 2 |
| Cold | |
| Freeze Warning | 9 |
| Freeze Watch | 2 |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Marine | |
| Gale Warning | 3 |
| Special Marine Warning | 1 |
| Gale Watch | 2 |
| Small Craft Advisory | 13 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Knox County3
- Randolph County3
- Edwards County3
- Franklin County3
- Gallatin County3
- Hamilton County3
- Hardin County3
- Jackson County3
- Jefferson County3
- Johnson County3
- Massac County3
- Perry County3
- Pope County3
- Pulaski County3
- Saline County3
- Union County3
- Wabash County3
- Wayne County3
- White County3
- Williamson County3
- Mercer County3
- Rock Island County3
- Carroll County3
- Whiteside County3
- Marshall County2
- Stark County2
- Henderson County2
- Warren County2
- Pike County2
- Champaign County2
- DeWitt County2
- McLean County2
- Macon County2
- Piatt County2
- Scott County2
- Vermilion County2
- Alexander County2
- Clark County2
- Coles County2
- Crawford County2
55 more counties
- Cumberland County2
- Douglas County2
- Edgar County2
- Jasper County2
- Lawrence County2
- Moultrie County2
- Richland County2
- Jo Daviess County2
- Henry County2
- Hancock County1
- McDonough County1
- Adams County1
- Brown County1
- Cass County1
- Fulton County1
- Logan County1
- Mason County1
- Menard County1
- Morgan County1
- Peoria County1
- Sangamon County1
- Schuyler County1
- Tazewell County1
- Woodford County1
- Bond County1
- Calhoun County1
- Clinton County1
- Fayette County1
- Greene County1
- Jersey County1
- Macoupin County1
- Madison County1
- Marion County1
- Monroe County1
- Montgomery County1
- Saint Clair County1
- Washington County1
- Christian County1
- Clay County1
- Effingham County1
- Shelby County1
- Ford County1
- Iroquois County1
- Kankakee County1
- Cook County1
- Bureau County1
- Putnam County1
- Boone County1
- DeKalb County1
- Kane County1
- Lee County1
- McHenry County1
- Ogle County1
- Winnebago County1
- Stephenson County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.