Porter County weather alerts
There are no active weather alerts for Porter County, IN right now.
Since 2016 the National Weather Service has issued about 721 alerts that included Porter County, roughly 72 a year. The most common is the severe thunderstorm warning (104 from 2016 to 2025). The last tornado warning was issued on August 11, 2026. 26 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 Porter County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Lake County, Jasper County, LaPorte County.
Porter County alert history
Alert events that included Porter County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 104 | 23 | August 12, 2026 |
| Winter Weather Advisory | 88 | 6 | March 16, 2026 |
| Dense Fog Advisory | 83 | 8 | September 28, 2026 |
| Flood Advisory | 71 | 17 | September 20, 2026 |
| Wind Advisory | 71 | 6 | October 16, 2026 |
| Severe Thunderstorm Watch | 51 | 19 | August 12, 2026 |
| Frost Advisory | 29 | 3 | October 18, 2026 |
| Flood Watch | 28 | 12 | September 19, 2026 |
| Flood Warning | 22 | 5 | August 11, 2026 |
| Tornado Watch | 21 | 3 | June 11, 2026 |
| Heat Advisory | 19 | 5 | September 4, 2026 |
| Winter Storm Watch | 19 | 1 | January 30, 2026 |
| Winter Storm Warning | 19 | 3 | January 31, 2026 |
| Cold Weather Advisory | 15 | 3 | January 26, 2026 |
| Freeze Warning | 11 | 1 | April 20, 2026 |
| Tornado Warning | 11 | 5 | August 11, 2026 |
| Flash Flood Warning | 10 | 5 | August 12, 2026 |
| High Wind Warning | 10 | 2 | March 15, 2026 |
| Red Flag Warning | 7 | 0 | March 14, 2025 |
| High Wind Watch | 6 | 2 | March 15, 2026 |
| Extreme Heat Watch | 4 | 0 | August 27, 2024 |
| Extreme Heat Warning | 4 | 1 | June 30, 2026 |
| Fire Weather Watch | 4 | 0 | March 14, 2025 |
| Freeze Watch | 4 | 1 | April 20, 2026 |
| Blizzard Warning | 2 | 0 | December 22, 2022 |
| Extreme Cold Warning | 2 | 0 | January 14, 2024 |
| Dust Storm Warning | 2 | 0 | May 16, 2025 |
| Lake Effect Snow Warning | 1 | 0 | March 14, 2017 |
| Ice Storm Warning | 1 | 0 | February 12, 2019 |
| Extreme Cold Watch | 1 | 0 | January 30, 2019 |
| Snow Squall Warning | 1 | 1 | January 14, 2026 |
Tornado history in Porter County
26 tornadoes have been recorded in Porter County since 1950, killing 1 people and injuring 12. That ranks 27 of 92 counties in Indiana. The most recent was on September 7, 2024 (rated unknown).
Strongest tornadoes in Porter County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 11, 1965 | F3 | Porter County | 33.1 mi | 10 yd | 0 | 0 |
| March 12, 1976 | F3 | Porter County | 12.6 mi | 200 yd | 0 | 7 |
| April 30, 1962 | F3 | Porter County | 0.1 mi | 10 yd | 0 | 0 |
| October 24, 1967 | F3 | Porter County | 0.1 mi | 10 yd | 0 | 0 |
| July 20, 1962 | F2 | Lake County | 14.9 mi | 10 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| September 7, 2024 | ? | Porter County | 0.1 mi | 10 yd | 0 | 0 |
| July 15, 2024 | EF0 | Lake County | 16.4 mi | 100 yd | 0 | 0 |
| March 31, 2023 | EF0 | Porter County | 0.6 mi | 125 yd | 0 | 0 |
| June 20, 2021 | EF0 | Porter County | 3.3 mi | 150 yd | 0 | 0 |
| October 26, 2010 | EF0 | Porter County | 0.1 mi | 30 yd | 0 | 0 |
About Porter County
- Population: 175,860 (2024 estimate)
- State: Indiana
- NOAA Weather Radio SAME code: 018127 (how to use it)