Weather alerts in Illinois, 2016
2,448 weather alerts in 2016, 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 2016. Tap one for its archive.
- Alerts
- 2,448
- Warnings
- 1,035
- Watches
- 159
- Advisories
- 541
- Busiest month
- July519 alerts
- Busiest day
- May 11, 201681 alerts
Over time
By month
The alerts
2,448 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.
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.
- LaSalle County155
- Whiteside County136
- Wabash County134
- Gallatin County133
- Rock Island County130
- White County126
- Saint Clair County125
- Williamson County120
- Jo Daviess County118
- Lee County118
- Johnson County118
- Carroll County117
- Ogle County116
- Pope County116
- Mercer County115
- Grundy County114
- Saline County114
- Lawrence County114
- Henry County113
- DeKalb County112
- Jackson County111
- Henderson County111
- Massac County111
- Stephenson County110
- Winnebago County110
- DuPage County110
- Madison County110
- Edwards County110
- Wayne County110
- Sangamon County109
- Iroquois County109
- Kane County108
- Hardin County107
- Crawford County107
- Bureau County106
- Putnam County105
- Pike County105
- Union County104
- Kankakee County104
- Monroe County104
62 more counties
- Pulaski County104
- Mason County103
- Boone County102
- Livingston County102
- Hancock County101
- Franklin County101
- Adams County101
- Lake County100
- Tazewell County99
- Kendall County99
- Champaign County98
- Hamilton County98
- Warren County96
- Fulton County96
- Alexander County95
- Woodford County95
- Richland County95
- Cook County95
- Logan County94
- McDonough County92
- Knox County92
- McHenry County92
- Shelby County92
- McLean County91
- Randolph County91
- Vermilion County90
- Ford County90
- Menard County89
- Washington County89
- Jefferson County89
- Clark County89
- Clay County89
- Clinton County88
- Marshall County88
- Piatt County88
- Fayette County88
- Effingham County88
- Will County88
- Peoria County87
- Coles County87
- Macon County87
- Calhoun County87
- Edgar County87
- Jasper County86
- DeWitt County85
- Cumberland County85
- Christian County84
- Morgan County84
- Macoupin County84
- Brown County84
- Cass County83
- Bond County83
- Montgomery County83
- Jersey County82
- Perry County82
- Stark County81
- Moultrie County81
- Marion County78
- Douglas County76
- Schuyler County75
- Greene County73
- Scott County68
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20152017
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.