Perry County weather alerts
There are no active weather alerts for Perry County, IL right now.
Since 2016 the National Weather Service has issued about 699 alerts that included Perry County, roughly 70 a year. The most common is the severe thunderstorm warning (108 from 2016 to 2025). The last tornado warning was issued on June 22, 2026. 22 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 Perry County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Jefferson County, Franklin County, Randolph County, Washington County.
Perry County alert history
Alert events that included Perry County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 108 | 12 | July 11, 2026 |
| Dense Fog Advisory | 70 | 2 | March 6, 2026 |
| Severe Thunderstorm Watch | 59 | 5 | July 10, 2026 |
| Wind Advisory | 59 | 5 | June 17, 2026 |
| Tornado Watch | 46 | 5 | June 21, 2026 |
| Winter Weather Advisory | 45 | 0 | December 2, 2025 |
| Flood Watch | 44 | 5 | July 9, 2026 |
| Flood Advisory | 39 | 6 | August 17, 2026 |
| Flash Flood Warning | 37 | 2 | July 11, 2026 |
| Heat Advisory | 35 | 10 | September 15, 2026 |
| Freeze Warning | 29 | 3 | November 8, 2026 |
| Frost Advisory | 22 | 1 | October 18, 2026 |
| Tornado Warning | 14 | 3 | June 22, 2026 |
| Extreme Heat Warning | 13 | 5 | September 1, 2026 |
| Freeze Watch | 13 | 1 | November 8, 2026 |
| Winter Storm Warning | 13 | 1 | January 24, 2026 |
| Flood Warning | 13 | 1 | July 11, 2026 |
| Cold Weather Advisory | 13 | 2 | January 31, 2026 |
| Winter Storm Watch | 11 | 1 | January 24, 2026 |
| Red Flag Warning | 8 | 1 | March 29, 2026 |
| Extreme Heat Watch | 5 | 2 | September 1, 2026 |
| Fire Weather Watch | 1 | 0 | October 14, 2022 |
| Extreme Cold Watch | 1 | 0 | December 23, 2022 |
| Extreme Cold Warning | 1 | 1 | January 26, 2026 |
| High Wind Warning | 0 | 1 | March 15, 2026 |
Tornado history in Perry County
22 tornadoes have been recorded in Perry County since 1950, killing 1 people and injuring 34. That ranks 67 of 102 counties in Illinois. The most recent was on March 14, 2025 (rated EF2).
Strongest tornadoes in Perry County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| December 18, 1957 | F5 | Perry County | 5.4 mi | 200 yd | 1 | 6 |
| April 5, 1958 | F3 | Jackson County | 20.6 mi | 100 yd | 0 | 11 |
| December 18, 1957 | F3 | Randolph County | 20.2 mi | 10 yd | 0 | 0 |
| December 18, 1957 | F3 | Randolph County | 17.7 mi | 10 yd | 0 | 0 |
| May 29, 1982 | F3 | Montgomery County | 10 mi | 200 yd | 0 | 7 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| March 14, 2025 | EF2 | Jackson County | 15.2 mi | 250 yd | 0 | 0 |
| March 19, 2020 | EF1 | Perry County | 3.2 mi | 125 yd | 0 | 1 |
| November 18, 2017 | EF0 | Perry County | 0.7 mi | 30 yd | 0 | 0 |
| December 23, 2015 | EF1 | Perry County | 5 mi | 200 yd | 0 | 0 |
| June 19, 2015 | EF0 | Perry County | 0.1 mi | 30 yd | 0 | 0 |
About Perry County
- Population: 20,272 (2024 estimate)
- State: Illinois
- NOAA Weather Radio SAME code: 017145 (how to use it)