National Weather ServiceConnecticutTornado WarningArchive to October 1, 2026
Tornado Warnings in Connecticut
The National Weather Service issued 1 tornado warnings for Connecticut in 2025 and 5 a year on average in 2008-2025; in 2021-2025 it had the 40th most of any state. 2026 through September: 0, 100% below the average of 4 for those months in 2008-2025. Fairfield was covered most often (22 times since 2008).
How many tornado warnings does Connecticut get?
Every tornado warning that covered part of Connecticut. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 0 |
| 2025 | 1 |
| 2024 | 3 |
| 2023 | 3 |
| 2022 | 3 |
| 2021 | 4 |
| 2020 | 10 |
| 2019 | 6 |
| 2018 | 10 |
| 2017 | 2 |
| 2016 | 0 |
| 2015 | 0 |
| 2014 | 0 |
| 2013 | 7 |
| 2012 | 6 |
| 2011 | 6 |
| 2010 | 9 |
| 2009 | 9 |
| 2008 | 4 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Connecticut get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Connecticut?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Fairfield | 22 | 0 | September 5, 2022 |
| Tolland | 22 | 2 | June 22, 2024 |
| Windham | 22 | 3 | September 13, 2023 |
| Hartford | 18 | 2 | June 23, 2024 |
| Litchfield | 17 | 2 | September 6, 2025 |
| New Haven | 14 | 0 | August 27, 2020 |
| Middlesex | 4 | 0 | August 4, 2020 |
| New London | 2 | 0 | August 5, 2010 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
What is a tornado warning?
The NWS issues a tornado warning when a tornado has been seen or weather radar indicates one in the warned area. Warnings are drawn as polygons around the storm's path and usually last 30 to 60 minutes. A warning means the hazard is happening, about to happen, or very likely: act now to protect people and property. The national record · Every warning type in Connecticut.