Weather alerts in Illinois, 2008
3,134 weather alerts in 2008, 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 2008. Tap one for its archive.
- Alerts
- 3,134
- Warnings
- 2,075
- Watches
- 286
- Advisories
- 509
- Busiest month
- June755 alerts
- Busiest day
- December 27, 2008119 alerts
Over time
By month
The alerts
3,134 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.
- Rock Island County265
- Pike County237
- Winnebago County235
- LaSalle County233
- Whiteside County219
- Henry County218
- Calhoun County212
- Ogle County210
- Mercer County208
- Madison County207
- DeKalb County206
- Kane County206
- Jo Daviess County204
- Saint Clair County204
- Boone County199
- Lee County199
- Adams County199
- Sangamon County197
- Carroll County196
- Jersey County196
- Mason County195
- Grundy County194
- Bureau County192
- Lawrence County192
- McHenry County191
- Iroquois County187
- Fulton County187
- Tazewell County187
- McLean County186
- Lake County186
- Macoupin County186
- Logan County185
- Stephenson County184
- Wabash County184
- Kankakee County183
- Morgan County183
- Cass County182
- Crawford County182
- Brown County182
- Piatt County181
62 more counties
- Monroe County181
- Clinton County181
- Kendall County180
- Woodford County179
- Greene County179
- Champaign County178
- Macon County178
- Livingston County175
- Montgomery County174
- Henderson County173
- DuPage County173
- Bond County173
- Fayette County172
- Hancock County169
- Coles County169
- Edgar County169
- Randolph County169
- Menard County168
- Peoria County168
- DeWitt County167
- Christian County167
- Shelby County167
- Putnam County164
- Vermilion County164
- Ford County163
- Scott County163
- Douglas County162
- Warren County161
- Washington County161
- Cook County160
- Moultrie County160
- Alexander County160
- Clay County160
- Knox County159
- White County159
- Marion County158
- Cumberland County156
- Jackson County155
- Union County155
- Clark County154
- Wayne County154
- Richland County153
- Marshall County152
- Stark County151
- Jasper County151
- McDonough County150
- Jefferson County149
- Schuyler County148
- Williamson County148
- Edwards County146
- Effingham County146
- Pulaski County146
- Franklin County145
- Gallatin County143
- Will County141
- Perry County141
- Johnson County140
- Hamilton County137
- Massac County134
- Saline County131
- Pope County129
- Hardin County122
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20072009
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.