Illinois weather alerts
There are no active weather alerts for Illinois right now.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
Map data: NWS, OpenFreeMap, OpenStreetMap
Illinois alerts by type
- Illinois tornado warnings
- Illinois tornado watches
- Illinois severe thunderstorm warnings
- Illinois flash flood warnings
- Illinois flood warnings
- Illinois flood watches
- Illinois winter storm warnings
- Illinois winter storm watches
- Illinois winter weather advisories
- Illinois cold weather advisories
- Illinois freeze warnings
- Illinois frost advisories
- Illinois heat advisories
- Illinois extreme heat warnings
- Illinois high wind warnings
- Illinois wind advisories
- Illinois red flag warnings
- Illinois dense fog advisories
Illinois counties
Every county page lists its active alerts, the alerts issued there in recent days and its full warning and tornado history.
- Adams County
- Alexander County
- Bond County
- Boone County
- Brown County
- Bureau County
- Calhoun County
- Carroll County
- Cass County
- Champaign County
- Christian County
- Clark County
- Clay County
- Clinton County
- Coles County
- Cook County
- Crawford County
- Cumberland County
- De Witt County
- DeKalb County
- Douglas County
- DuPage County
- Edgar County
- Edwards County
- Effingham County
- Fayette County
- Ford County
- Franklin County
- Fulton County
- Gallatin County
- Greene County
- Grundy County
- Hamilton County
- Hancock County
- Hardin County
- Henderson County
- Henry County
- Iroquois County
- Jackson County
- Jasper County
- Jefferson County
- Jersey County
- Jo Daviess County
- Johnson County
- Kane County
- Kankakee County
- Kendall County
- Knox County
- Lake County
- LaSalle County
- Lawrence County
- Lee County
- Livingston County
- Logan County
- Macon County
- Macoupin County
- Madison County
- Marion County
- Marshall County
- Mason County
- Massac County
- McDonough County
- McHenry County
- McLean County
- Menard County
- Mercer County
- Monroe County
- Montgomery County
- Morgan County
- Moultrie County
- Ogle County
- Peoria County
- Perry County
- Piatt County
- Pike County
- Pope County
- Pulaski County
- Putnam County
- Randolph County
- Richland County
- Rock Island County
- Saline County
- Sangamon County
- Schuyler County
- Scott County
- Shelby County
- St. Clair County
- Stark County
- Stephenson County
- Tazewell County
- Union County
- Vermilion County
- Wabash County
- Warren County
- Washington County
- Wayne County
- White County
- Whiteside County
- Will County
- Williamson County
- Winnebago County
- Woodford County
Cities in Illinois
How often alerts are issued in Illinois
Average number of alert events per year in Illinois, 2016–2025, from the NWS warning archive.
| Alert type | Per year | 2025 | 2026 so far | Most recent |
|---|---|---|---|---|
| Severe Thunderstorm Warning | 611.9 | 704 | 1,037 | November 11, 2026 |
| Flood Warning | 302.1 | 102 | 285 | October 4, 2026 |
| Flood Advisory | 223.9 | 199 | 237 | November 13, 2026 |
| Tornado Warning | 118.1 | 227 | 333 | September 21, 2026 |
| Flash Flood Warning | 114.6 | 134 | 218 | September 20, 2026 |
| Dense Fog Advisory | 78.9 | 93 | 53 | October 23, 2026 |
| Severe Thunderstorm Watch | 65.1 | 36 | 94 | August 21, 2026 |
| Winter Weather Advisory | 57.6 | 57 | 19 | November 13, 2026 |
| Wind Advisory | 43.3 | 56 | 33 | June 28, 2026 |
| Flood Watch | 41.6 | 33 | 64 | October 1, 2026 |
| Tornado Watch | 32.4 | 64 | 62 | June 26, 2026 |
| Heat Advisory | 24.3 | 34 | 50 | September 16, 2026 |
| Frost Advisory | 20.4 | 16 | 18 | November 7, 2026 |
| Freeze Warning | 20 | 11 | 11 | November 8, 2026 |
| Cold Weather Advisory | 18 | 37 | 18 | January 31, 2026 |
| Winter Storm Warning | 13.7 | 18 | 6 | March 16, 2026 |
Tornadoes in Illinois
Illinois has recorded 3,108 tornadoes since 1950, an average of 63.5 per year over the last 30 years, with 232 deaths. See Illinois tornado history, maps and records →