National Weather ServiceNew HampshireTornado WarningArchive to October 1, 2026
Tornado Warnings in New Hampshire
The National Weather Service issued 0 tornado warnings for New Hampshire in 2025 and 3 a year on average in 2008-2025; in 2021-2025 it had the 41st most of any state. 2026 through September: 0, 100% below the average of 3 for those months in 2008-2025. Hillsborough was covered most often (15 times since 2008).
How many tornado warnings does New Hampshire get?
Every tornado warning that covered part of New Hampshire. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 0 |
| 2025 | 0 |
| 2024 | 5 |
| 2023 | 5 |
| 2022 | 2 |
| 2021 | 0 |
| 2020 | 7 |
| 2019 | 1 |
| 2018 | 8 |
| 2017 | 4 |
| 2016 | 1 |
| 2015 | 2 |
| 2014 | 3 |
| 2013 | 1 |
| 2012 | 2 |
| 2011 | 4 |
| 2010 | 1 |
| 2009 | 2 |
| 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 New Hampshire 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 New Hampshire?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Hillsborough | 15 | 6 | June 23, 2024 |
| Cheshire | 14 | 2 | June 23, 2024 |
| Grafton | 12 | 2 | July 11, 2024 |
| Carroll | 10 | 0 | August 22, 2020 |
| Coos | 7 | 1 | July 11, 2024 |
| Rockingham | 7 | 4 | June 23, 2024 |
| Merrimack | 5 | 2 | June 23, 2024 |
| Strafford | 5 | 1 | July 16, 2023 |
| Belknap | 4 | 0 | August 22, 2020 |
| Sullivan | 4 | 0 | July 21, 2022 |
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 New Hampshire.