Massac County weather alerts
There are no active weather alerts for Massac County, IL right now.
Since 2016 the National Weather Service has issued about 884 alerts that included Massac County, roughly 88 a year. The most common is the severe thunderstorm warning (152 from 2016 to 2025). The last tornado warning was issued on June 27, 2026. 15 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 Massac County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Livingston County, McCracken County, Pope County, Pulaski County.
Massac County alert history
Alert events that included Massac County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 152 | 14 | August 13, 2026 |
| Dense Fog Advisory | 88 | 4 | October 15, 2026 |
| Flood Watch | 68 | 5 | August 20, 2026 |
| Severe Thunderstorm Watch | 63 | 9 | August 20, 2026 |
| Flood Advisory | 61 | 9 | October 2, 2026 |
| Wind Advisory | 61 | 4 | March 15, 2026 |
| Tornado Watch | 57 | 4 | June 26, 2026 |
| Flood Warning | 54 | 2 | July 11, 2026 |
| Heat Advisory | 46 | 9 | September 15, 2026 |
| Winter Weather Advisory | 38 | 1 | January 21, 2026 |
| Tornado Warning | 33 | 6 | June 27, 2026 |
| Frost Advisory | 30 | 2 | November 7, 2026 |
| Flash Flood Warning | 28 | 3 | July 11, 2026 |
| Freeze Warning | 24 | 2 | November 8, 2026 |
| Winter Storm Warning | 14 | 1 | January 24, 2026 |
| Extreme Heat Warning | 13 | 5 | September 1, 2026 |
| Freeze Watch | 12 | 1 | November 8, 2026 |
| Cold Weather Advisory | 12 | 2 | January 31, 2026 |
| Winter Storm Watch | 9 | 1 | January 24, 2026 |
| Red Flag Warning | 7 | 0 | October 20, 2022 |
| Extreme Heat Watch | 5 | 2 | September 1, 2026 |
| Ice Storm Warning | 3 | 0 | January 5, 2025 |
| High Wind Warning | 3 | 1 | March 15, 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 |
Tornado history in Massac County
15 tornadoes have been recorded in Massac County since 1950, killing 2 people and injuring 38. That ranks 86 of 102 counties in Illinois. The most recent was on July 20, 2020 (rated EF0).
Strongest tornadoes in Massac County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 6, 2003 | F4 | Pulaski County | 33 mi | 1,000 yd | 2 | 33 |
| September 22, 2006 | F3 | Massac County | 3.5 mi | 125 yd | 0 | 2 |
| May 25, 2011 | EF2 | Pulaski County | 19.9 mi | 325 yd | 0 | 0 |
| February 29, 2012 | EF2 | Massac County | 2.4 mi | 150 yd | 0 | 0 |
| January 18, 1973 | F1 | Alexander County | 95.9 mi | 10 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 20, 2020 | EF0 | Massac County | 0.3 mi | 30 yd | 0 | 0 |
| April 3, 2018 | EF1 | Massac County | 10.6 mi | 75 yd | 0 | 0 |
| November 18, 2017 | EF0 | Massac County | 0.1 mi | 30 yd | 0 | 0 |
| July 6, 2016 | EF1 | Massac County | 2.8 mi | 160 yd | 0 | 2 |
| February 29, 2012 | EF2 | Massac County | 2.4 mi | 150 yd | 0 | 0 |
About Massac County
- Population: 13,627 (2024 estimate)
- State: Illinois
- NOAA Weather Radio SAME code: 017127 (how to use it)