Weather alerts in Illinois, 2025
2,861 weather alerts in 2025, 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 2025. Tap one for its archive.
- Alerts
- 2,861
- Warnings
- 1,327
- Watches
- 159
- Advisories
- 633
- Busiest month
- July568 alerts
- Busiest day
- March 15, 2025125 alerts
Over time
By month
The alerts
2,861 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.
- Cook County182
- Will County181
- Pope County180
- Massac County174
- Rock Island County171
- Alexander County171
- Pulaski County168
- Union County168
- Jackson County160
- Williamson County158
- Champaign County158
- Sangamon County158
- Johnson County157
- Macon County156
- Piatt County156
- Saline County155
- McLean County155
- Wayne County152
- White County151
- DeWitt County151
- Logan County151
- Henry County149
- Gallatin County149
- Coles County149
- Jasper County148
- Hamilton County146
- Christian County146
- Shelby County146
- Effingham County145
- Iroquois County145
- Cumberland County144
- Richland County144
- Mercer County143
- Hardin County143
- Edgar County143
- Vermilion County143
- Clay County142
- Clark County141
- Crawford County141
- Menard County140
62 more counties
- Franklin County137
- Wabash County137
- Jefferson County136
- Lawrence County136
- Hancock County135
- DuPage County135
- Mason County134
- McDonough County134
- Bureau County133
- Tazewell County133
- Saint Clair County133
- Henderson County133
- DeKalb County132
- Douglas County131
- Warren County131
- Ford County131
- Kane County131
- Whiteside County130
- Fulton County130
- Kankakee County130
- LaSalle County130
- Woodford County129
- Edwards County128
- Madison County128
- Livingston County127
- Moultrie County125
- Grundy County125
- Fayette County124
- Lee County123
- Ogle County123
- Clinton County122
- Perry County121
- Cass County121
- Marion County121
- Knox County118
- Calhoun County118
- Washington County117
- Kendall County117
- Peoria County116
- Schuyler County116
- Jo Daviess County116
- Carroll County116
- Monroe County115
- Bond County113
- Randolph County113
- Lake County113
- Marshall County112
- Putnam County111
- Morgan County110
- McHenry County110
- Pike County109
- Winnebago County109
- Stephenson County107
- Boone County107
- Adams County106
- Stark County106
- Jersey County102
- Macoupin County101
- Montgomery County101
- Greene County96
- Scott County95
- Brown County90
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.