Marion County weather alerts
There are no active weather alerts for Marion County, IN right now.
Since 2016 the National Weather Service has issued about 976 alerts that included Marion County, roughly 98 a year. The most common is the flood warning (240 from 2016 to 2025). The last tornado warning was issued on August 1, 2026. 47 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 Marion County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Johnson County, Hendricks County, Shelby County, Boone County.
Marion County alert history
Alert events that included Marion County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Flood Warning | 240 | 20 | August 20, 2026 |
| Severe Thunderstorm Warning | 177 | 42 | September 16, 2026 |
| Flood Advisory | 78 | 18 | October 16, 2026 |
| Wind Advisory | 62 | 6 | April 2, 2026 |
| Winter Weather Advisory | 52 | 1 | March 2, 2026 |
| Severe Thunderstorm Watch | 49 | 17 | November 11, 2026 |
| Dense Fog Advisory | 44 | 7 | August 13, 2026 |
| Freeze Warning | 36 | 2 | April 20, 2026 |
| Flood Watch | 32 | 10 | September 18, 2026 |
| Tornado Watch | 28 | 5 | June 21, 2026 |
| Frost Advisory | 26 | 5 | October 19, 2026 |
| Heat Advisory | 25 | 6 | September 1, 2026 |
| Flash Flood Warning | 23 | 5 | August 15, 2026 |
| Cold Weather Advisory | 18 | 7 | February 1, 2026 |
| Freeze Watch | 15 | 2 | April 20, 2026 |
| Tornado Warning | 15 | 6 | August 1, 2026 |
| Winter Storm Watch | 11 | 1 | January 24, 2026 |
| Winter Storm Warning | 11 | 1 | January 24, 2026 |
| High Wind Warning | 8 | 2 | March 15, 2026 |
| Red Flag Warning | 7 | 0 | April 20, 2023 |
| High Wind Watch | 6 | 0 | January 12, 2024 |
| Extreme Cold Warning | 3 | 3 | January 28, 2026 |
| Extreme Heat Watch | 3 | 0 | August 27, 2024 |
| Extreme Heat Warning | 3 | 1 | June 30, 2026 |
| Extreme Cold Watch | 2 | 0 | January 20, 2025 |
| Ice Storm Warning | 1 | 0 | November 15, 2018 |
| Fire Weather Watch | 1 | 0 | October 14, 2022 |
Tornado history in Marion County
47 tornadoes have been recorded in Marion County since 1950, injuring 255 people. That ranks 2 of 92 counties in Indiana. The most recent was on June 15, 2019 (rated EF0).
Strongest tornadoes in Marion County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 14, 1972 | F4 | Marion County | 30 mi | 200 yd | 0 | 20 |
| June 11, 1998 | F4 | Marion County | 13.2 mi | 400 yd | 0 | 4 |
| September 20, 2002 | F3 | Monroe County | 112 mi | 150 yd | 0 | 127 |
| March 10, 1986 | F3 | Morgan County | 35 mi | 440 yd | 0 | 22 |
| November 22, 1992 | F3 | Marion County | 9 mi | 433 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 15, 2019 | EF0 | Marion County | 0.9 mi | 100 yd | 0 | 0 |
| June 15, 2019 | EF1 | Marion County | 1.9 mi | 200 yd | 0 | 0 |
| August 24, 2016 | EF0 | Marion County | 0.4 mi | 100 yd | 0 | 0 |
| May 30, 2015 | EF1 | Marion County | 0.3 mi | 40 yd | 0 | 0 |
| June 24, 2014 | EF1 | Hendricks County | 2.8 mi | 75 yd | 0 | 0 |
About Marion County
- Population: 981,628 (2024 estimate)
- State: Indiana
- NOAA Weather Radio SAME code: 018097 (how to use it)
- Cities: Indianapolis