Alert archive / Illinois / Severe Thunderstorm Warnings / 2020
Severe Thunderstorm Warnings in Illinois, November 2020
28 severe thunderstorm warnings in November 2020. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in November 2020. Tap one for its archive.
- Severe Thunderstorm Warnings
- 28
- Busiest day
- November 10, 202028 severe thunderstorm warnings
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 |
|---|---|---|---|---|
| Nov 10, 12:45 PM CST | Severe Thunderstorm Warning | DVN | Hancock | 45 min |
| Nov 10, 1:07 PM CST | Severe Thunderstorm Warning | LSX | Adams, Pike | 53 min |
| Nov 10, 1:28 PM CST | Severe Thunderstorm Warning | DVN | Henderson, Mercer, Warren | 47 min |
| Nov 10, 1:29 PM CST | Severe Thunderstorm Warning | DVN | Hancock, McDonough | 46 min |
| Nov 10, 1:45 PM CST | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 60 min |
| Nov 10, 2:01 PM CST | Severe Thunderstorm Warning | ILX | Fulton, Knox | 44 min |
| Nov 10, 2:07 PM CST | Severe Thunderstorm Warning | DVN | Henry, Rock Island, Whiteside | 38 min |
| Nov 10, 2:11 PM CST | Severe Thunderstorm Warning | DVN | Henry, McDonough, Mercer, Warren | 34 min |
| Nov 10, 2:21 PM CST | Severe Thunderstorm Warning | LSX | Pike | 39 min |
| Nov 10, 2:38 PM CST | Severe Thunderstorm Warning | DVN | Carroll, Whiteside | 52 min |
| Nov 10, 2:40 PM CST | Severe Thunderstorm Warning | DVN | Bureau, Henry | 50 min |
| Nov 10, 2:41 PM CST | Severe Thunderstorm Warning | ILX | Fulton, Knox, Mason, Peoria, Stark, Tazewell | 49 min |
| Nov 10, 2:44 PM CST | Severe Thunderstorm Warning | LSX | Brown, Pike | 13 min |
| Nov 10, 2:48 PM CST | Severe Thunderstorm Warning | LOT | Lee, Ogle | 72 min |
| Nov 10, 3:19 PM CST | Severe Thunderstorm Warning | DVN | Stephenson | 24 min |
| Nov 10, 3:20 PM CST | Severe Thunderstorm Warning | LOT | Boone, DeKalb, Lee, Ogle, Winnebago | 70 min |
| Nov 10, 3:21 PM CST | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 39 min |
| Nov 10, 3:25 PM CST | Severe Thunderstorm Warning | ILX | Fulton, Knox, Marshall, Mason, Peoria, Stark and 2 more | 50 min |
| Nov 10, 3:48 PM CST | Severe Thunderstorm Warning | LOT | LaSalle | 57 min |
| Nov 10, 3:50 PM CST | Severe Thunderstorm Warning | LOT | Kane, McHenry | 55 min |
| Nov 10, 3:57 PM CST | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 18 min |
| Nov 10, 4:08 PM CST | Severe Thunderstorm Warning | ILX | McLean, Marshall, Tazewell, Woodford | 52 min |
| Nov 10, 4:08 PM CST | Severe Thunderstorm Warning | LSX | Jersey, Macoupin, Madison | 26 min |
| Nov 10, 4:10 PM CST | Severe Thunderstorm Warning | LOT | DeKalb, Kane, Kendall | 80 min |
| Nov 10, 4:34 PM CST | Severe Thunderstorm Warning | LOT | Grundy, LaSalle, Livingston | 71 min |
| Nov 10, 4:38 PM CST | Severe Thunderstorm Warning | LOT | Cook, DuPage, Lake, McHenry | 82 min |
| Nov 10, 4:54 PM CST | Severe Thunderstorm Warning | LOT | Cook, Will | 81 min |
| Nov 10, 4:59 PM CST | Severe Thunderstorm Warning | ILX | McLean | 24 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pike County4
- Fulton County3
- Knox County3
- Henry County3
- Bureau County3
- Tazewell County3
- Hancock County2
- Adams County2
- Mercer County2
- Warren County2
- McDonough County2
- Brown County2
- Whiteside County2
- Mason County2
- Peoria County2
- Stark County2
- Lee County2
- Ogle County2
- DeKalb County2
- Putnam County2
- Marshall County2
- Woodford County2
- LaSalle County2
- Kane County2
- McHenry County2
- McLean County2
- Cook County2
- Henderson County1
- Rock Island County1
- Carroll County1
- Stephenson County1
- Boone County1
- Winnebago County1
- Jersey County1
- Macoupin County1
- Madison County1
- Kendall County1
- Grundy County1
- Livingston County1
- DuPage County1
2 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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. Warning verification from the Mesonet's Cow. Rebuilt daily.