Weather alerts in Illinois, 2010
3,163 weather alerts in 2010, 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 2010. Tap one for its archive.
- Alerts
- 3,163
- Warnings
- 1,574
- Watches
- 251
- Advisories
- 771
- Busiest month
- June861 alerts
- Busiest day
- June 22, 201092 alerts
Over time
By month
The alerts
3,163 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.
- Hancock County248
- LaSalle County244
- Fulton County241
- Rock Island County234
- Henderson County232
- Adams County227
- Knox County215
- Mason County211
- Pike County207
- Peoria County205
- Grundy County205
- McDonough County203
- Tazewell County202
- Mercer County200
- Schuyler County199
- Livingston County199
- Cass County198
- Kane County198
- Logan County195
- Sangamon County195
- Kankakee County192
- Winnebago County191
- Madison County191
- Henry County189
- Iroquois County189
- Brown County188
- Warren County188
- Morgan County186
- Jo Daviess County185
- Woodford County183
- Menard County181
- Bureau County180
- Ogle County180
- Stark County179
- Christian County179
- Champaign County175
- Macon County175
- Kendall County174
- Ford County174
- Piatt County174
62 more counties
- Saint Clair County174
- Whiteside County173
- Crawford County173
- Shelby County173
- Calhoun County171
- Vermilion County170
- McLean County169
- Marshall County168
- DeKalb County168
- DeWitt County167
- Coles County167
- Edgar County167
- Stephenson County166
- Clark County165
- Lee County163
- DuPage County163
- Jersey County163
- Fayette County163
- Lake County162
- Jasper County160
- Scott County159
- Cumberland County159
- Carroll County158
- Bond County158
- McHenry County157
- Macoupin County156
- Clay County156
- Lawrence County156
- Montgomery County155
- Richland County154
- Will County153
- Douglas County153
- Moultrie County153
- Putnam County152
- Boone County152
- Monroe County152
- Greene County148
- Effingham County148
- Jackson County146
- Clinton County146
- Wabash County144
- Cook County142
- Alexander County141
- Franklin County140
- Marion County140
- Perry County138
- Randolph County138
- Union County137
- Massac County135
- Washington County133
- Williamson County132
- Jefferson County130
- Pulaski County130
- Pope County129
- White County129
- Hamilton County126
- Johnson County123
- Edwards County122
- Gallatin County122
- Saline County121
- Wayne County120
- Hardin County110
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.