Will County weather alerts
There are no active weather alerts for Will County, IL right now.
Since 2016 the National Weather Service has issued about 1,221 alerts that included Will County, roughly 122 a year. The most common is the flood advisory (280 from 2016 to 2025). The last tornado warning was issued on August 11, 2026. 96 tornadoes have touched down in the county since 1950.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
No warnings, watches or advisories include Will County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Kendall County, Grundy County, Lake County, Cook County.
Will County alert history
Alert events that included Will County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Flood Advisory | 280 | 44 | October 2, 2026 |
| Severe Thunderstorm Warning | 213 | 51 | August 12, 2026 |
| Dense Fog Advisory | 99 | 10 | September 28, 2026 |
| Winter Weather Advisory | 84 | 5 | November 13, 2026 |
| Wind Advisory | 74 | 5 | April 27, 2026 |
| Flood Warning | 70 | 16 | August 2, 2026 |
| Severe Thunderstorm Watch | 69 | 20 | August 21, 2026 |
| Flood Watch | 55 | 16 | October 1, 2026 |
| Flash Flood Warning | 44 | 12 | August 12, 2026 |
| Tornado Watch | 26 | 3 | June 11, 2026 |
| Tornado Warning | 25 | 12 | August 11, 2026 |
| Frost Advisory | 24 | 4 | October 18, 2026 |
| Cold Weather Advisory | 24 | 3 | January 26, 2026 |
| Heat Advisory | 23 | 5 | September 4, 2026 |
| Winter Storm Watch | 17 | 0 | November 29, 2025 |
| Winter Storm Warning | 16 | 0 | November 29, 2025 |
| Freeze Warning | 16 | 1 | April 20, 2026 |
| Red Flag Warning | 10 | 1 | February 18, 2026 |
| High Wind Warning | 10 | 2 | June 11, 2026 |
| Extreme Heat Warning | 7 | 2 | July 27, 2026 |
| Extreme Heat Watch | 6 | 0 | July 23, 2025 |
| Fire Weather Watch | 6 | 1 | February 18, 2026 |
| Freeze Watch | 6 | 1 | April 20, 2026 |
| High Wind Watch | 5 | 2 | March 15, 2026 |
| Extreme Cold Warning | 4 | 1 | January 23, 2026 |
| Ice Storm Warning | 2 | 0 | February 12, 2019 |
| Snow Squall Warning | 2 | 1 | January 14, 2026 |
| Dust Storm Warning | 2 | 0 | May 16, 2025 |
| Blizzard Warning | 1 | 0 | November 26, 2018 |
| Extreme Cold Watch | 1 | 1 | January 23, 2026 |
Tornado history in Will County
96 tornadoes have been recorded in Will County since 1950, killing 34 people and injuring 506. That ranks 2 of 102 counties in Illinois. The most recent was on March 19, 2025 (rated EF1).
Strongest tornadoes in Will County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| August 28, 1990 | F5 | Kendall County | 16.4 mi | 600 yd | 29 | 350 |
| June 29, 1979 | F4 | Will County | 5.4 mi | 100 yd | 0 | 1 |
| April 27, 1984 | F3 | Kendall County | 9 mi | 200 yd | 1 | 5 |
| July 17, 1972 | F3 | Marshall County | 81.5 mi | 200 yd | 0 | 0 |
| June 22, 2015 | EF3 | Grundy County | 16.3 mi | 1,320 yd | 0 | 7 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| March 19, 2025 | EF1 | Will County | 1.6 mi | 90 yd | 0 | 0 |
| March 19, 2025 | EF0 | Will County | 0.3 mi | 75 yd | 0 | 0 |
| March 19, 2025 | EF0 | Will County | 1.5 mi | 60 yd | 0 | 0 |
| March 19, 2025 | EF0 | Will County | 0.3 mi | 90 yd | 0 | 0 |
| July 15, 2024 | EF0 | Will County | 6.4 mi | 100 yd | 0 | 0 |
About Will County
- Population: 708,583 (2024 estimate)
- State: Illinois
- NOAA Weather Radio SAME code: 017197 (how to use it)
- Cities: Joliet