Storm History: Grafton County, New Hampshire
Every storm the National Weather Service has filed in Grafton County, New Hampshire: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.
The record
- Events
- 1,373
- Deaths
- 7
- Injuries
- 11
- Damage
- $52 million
- Episodes
- 650
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
Every year
By kind of event
Counted under the kind that heads each episode.
| Kind of event | Events | Deaths | Injuries | Damage |
|---|---|---|---|---|
| Hail | 302 | 0 | 2 | $21,000 |
| Heavy Snow | 218 | 0 | 0 | |
| Thunderstorm Wind | 191 | 0 | 2 | |
| Flood | 152 | 0 | 0 | $10 million |
| Flash Flood | 129 | 2 | 2 | $35 million |
| Winter Storm | 72 | 1 | 0 | |
| Tornado | 52 | 0 | 0 | $438,000 |
| Strong Wind | 50 | 1 | 0 | $5,000 |
| Winter Weather | 44 | 2 | 0 | |
| Drought | 37 | 0 | 0 | $1.2 million |
| High Wind | 35 | 0 | 0 | $151,000 |
| Cold/Wind Chill | 29 | 0 | 0 | |
| Extreme Cold/Wind Chill | 16 | 0 | 0 | |
| Lightning | 10 | 0 | 5 | $835,000 |
| Debris Flow | 8 | 1 | 0 | $238,000 |
| Blizzard | 8 | 0 | 0 | |
| Ice Storm | 6 | 0 | 0 | $3.1 million |
| Tropical Storm | 5 | 0 | 0 | |
| Heat | 4 | 0 | 0 | |
| Heavy Rain | 2 | 0 | 0 | |
| Coastal Flood | 2 | 0 | 0 | |
| Frost/Freeze | 1 | 0 | 0 |
The deadliest
The costliest
Damage within this county, in the dollars of its year.
- Flash Flood, July 1, 2017
- Flash Flood, July 2, 2013
- Flood, August 28, 2011
- Flash Flood, August 28, 2011
- Flash Flood, July 11, 2019
- Ice Storm, January 7, 1998
- Flash Flood, October 30, 2017
- Flash Flood, June 27, 1998
- Flood, August 28, 2011
- Drought, October 1, 2020
- Flash Flood, October 21, 1996
- Flash Flood, June 9, 2005
- Flood, April 16, 2007
- Lightning, June 25, 2000
- Flash Flood, September 16, 1999
- Flash Flood, June 10, 2005
- Flood, February 25, 2010
- Flash Flood, May 26, 2011
- Ice Storm, March 6, 2011
- Tornado, August 11, 1966
The largest hail
The largest stone in each episode, which may have fallen in a neighboring county of the same episode.
The strongest tornadoes
Every episode, newest first
- Thunderstorm Wind, June 18, 2026
- Thunderstorm Wind, June 6, 2026
- Flood, May 15, 2026
- Drought, May 1, 2026
- Winter Weather, April 20, 2026
- Hail, April 16, 2026
- Drought, April 1, 2026
- Flood, March 17, 2026
- Drought, March 1, 2026
- Drought, February 1, 2026
- Winter Storm, January 25, 2026
- Extreme Cold/Wind Chill, January 23, 2026
- Drought, January 1, 2026
- Winter Weather, December 4, 2025
- Winter Storm, December 2, 2025
- Drought, December 1, 2025
- Drought, November 1, 2025
- Hail, September 6, 2025
- Drought, September 1, 2025
- Hail, July 3, 2025
- Hail, June 19, 2025
- Hail, May 17, 2025
- Winter Storm, February 15, 2025
- Winter Storm, February 8, 2025
- Winter Storm, November 28, 2024
- Hail, August 26, 2024
- Flash Flood, August 4, 2024
- Flash Flood, July 30, 2024
- Tornado, July 16, 2024
- Flash Flood, July 10, 2024
- Flash Flood, July 6, 2024
- Thunderstorm Wind, June 30, 2024
- Hail, June 20, 2024
- Hail, June 19, 2024
- Flash Flood, April 12, 2024
- Winter Storm, April 3, 2024
- Winter Storm, March 23, 2024
- Winter Storm, March 9, 2024
- Winter Weather, January 14, 2024
- Winter Storm, January 6, 2024
- Flash Flood, December 18, 2023
- Hail, September 7, 2023
- Hail, August 4, 2023
- Flash Flood, July 18, 2023
- Flash Flood, July 15, 2023
- Hail, July 13, 2023
- Flash Flood, July 8, 2023
- Flash Flood, July 3, 2023
- Flash Flood, June 28, 2023
- Flash Flood, June 25, 2023
- Flash Flood, June 17, 2023
- Frost/Freeze, May 18, 2023
- Flash Flood, May 1, 2023
- Winter Storm, March 13, 2023
- Winter Storm, March 3, 2023
- Extreme Cold/Wind Chill, February 3, 2023
- Winter Storm, January 22, 2023
- Flood, December 23, 2022
- Winter Storm, December 16, 2022
- Winter Weather, November 20, 2022
- Hail, August 26, 2022
- Hail, August 4, 2022
- Hail, July 21, 2022
- Hail, July 12, 2022
- Tornado, May 16, 2022
- Winter Storm, March 12, 2022
- Winter Weather, February 27, 2022
- Winter Storm, February 25, 2022
- Winter Weather, February 19, 2022
- Winter Storm, February 3, 2022
- Winter Storm, January 17, 2022
- Winter Storm, December 18, 2021
- Hail, September 15, 2021
- Thunderstorm Wind, August 7, 2021
- Hail, July 20, 2021
- Hail, July 14, 2021
- Hail, June 30, 2021
- Hail, June 29, 2021
- Hail, June 21, 2021
- Thunderstorm Wind, May 26, 2021
- Heavy Snow, April 15, 2021
- Winter Storm, February 1, 2021
- Flood, December 25, 2020
- Winter Storm, December 17, 2020
- Winter Storm, December 5, 2020
- Flood, December 1, 2020
- Hail, October 10, 2020
- Drought, October 1, 2020
- Drought, September 1, 2020
- Thunderstorm Wind, August 25, 2020
- Tropical Storm, August 4, 2020
- Flash Flood, July 14, 2020
- Hail, July 14, 2020
- Flash Flood, July 8, 2020
- Hail, June 20, 2020
- Hail, June 6, 2020
- Thunderstorm Wind, May 29, 2020
- Thunderstorm Wind, May 27, 2020
- Winter Weather, May 8, 2020
- Flood, April 13, 2020
- Winter Storm, March 23, 2020
- Heavy Snow, January 16, 2020
- Winter Storm, December 29, 2019
- Thunderstorm Wind, August 17, 2019
- Thunderstorm Wind, July 30, 2019
- Flash Flood, July 11, 2019
- Hail, June 29, 2019
- Flood, April 20, 2019
- Flood, April 15, 2019
- Heavy Snow, March 21, 2019
- Winter Storm, February 12, 2019
- Heavy Snow, January 29, 2019
- Flood, January 24, 2019
- Heavy Snow, January 19, 2019
- Heavy Snow, January 9, 2019
- Flood, December 21, 2018
- Heavy Snow, November 26, 2018
- Heavy Snow, November 20, 2018
- Flash Flood, August 17, 2018
- Thunderstorm Wind, July 6, 2018
- Tornado, June 18, 2018
- Thunderstorm Wind, May 4, 2018
- Heavy Snow, March 13, 2018
- Heavy Snow, March 7, 2018
- Heavy Snow, February 7, 2018
- Flood, January 12, 2018
- Blizzard, January 4, 2018
- Heavy Snow, December 25, 2017
- Heavy Snow, December 22, 2017
- Flood, November 1, 2017
- Flash Flood, October 30, 2017
- High Wind, October 30, 2017
- Flood, October 30, 2017
- Thunderstorm Wind, August 22, 2017
- Hail, July 17, 2017
- Flood, July 1, 2017
- Flash Flood, July 1, 2017
- Hail, July 1, 2017
- Hail, May 31, 2017
- Thunderstorm Wind, May 18, 2017
- Heavy Snow, April 1, 2017
- Heavy Snow, March 31, 2017
- Heavy Snow, March 14, 2017
- Flood, February 24, 2017
- Heavy Snow, February 15, 2017
- Heavy Snow, February 12, 2017
- Heavy Snow, December 29, 2016
- Thunderstorm Wind, September 11, 2016
- Hail, July 23, 2016
- Tornado, July 18, 2016
- Thunderstorm Wind, July 14, 2016
- Thunderstorm Wind, July 1, 2016
- Flood, February 25, 2016
- Hail, August 25, 2015
- Hail, August 15, 2015
- Hail, August 4, 2015
- Hail, August 3, 2015
- Hail, July 20, 2015
- Hail, July 19, 2015
- Flash Flood, July 19, 2015
- Hail, June 23, 2015
- Flash Flood, May 27, 2015
- Thunderstorm Wind, May 27, 2015
- Thunderstorm Wind, May 10, 2015
- Heavy Snow, February 2, 2015
- Blizzard, January 26, 2015
- Winter Storm, November 26, 2014
- Flash Flood, October 16, 2014
- Flood, October 16, 2014
- Thunderstorm Wind, October 8, 2014
- Hail, August 7, 2014
- Hail, July 28, 2014
- Thunderstorm Wind, July 27, 2014
- Thunderstorm Wind, July 15, 2014
- Flash Flood, July 4, 2014
- Hail, July 3, 2014
- Hail, July 2, 2014
- Flash Flood, June 26, 2014
- Flood, June 26, 2014
- Flood, May 17, 2014
- Flood, April 15, 2014
- Flood, April 14, 2014
- Heavy Snow, March 19, 2014
- Heavy Snow, March 12, 2014
- Heavy Snow, February 13, 2014
- Heavy Snow, February 5, 2014
- Flood, January 11, 2014
- Heavy Snow, January 2, 2014
- Heavy Snow, December 29, 2013
- Heavy Snow, December 14, 2013
- High Wind, November 24, 2013
- Thunderstorm Wind, October 7, 2013
- Hail, September 12, 2013
- Hail, September 11, 2013
- Flash Flood, August 31, 2013
- Flash Flood, August 28, 2013
- Thunderstorm Wind, July 19, 2013
- Thunderstorm Wind, July 17, 2013
- Flash Flood, July 2, 2013
- Thunderstorm Wind, June 2, 2013
- Heavy Snow, March 19, 2013
- Blizzard, February 8, 2013
- Winter Storm, December 26, 2012
- Debris Flow, October 29, 2012
- Flood, September 19, 2012
- Thunderstorm Wind, September 8, 2012
- Thunderstorm Wind, August 9, 2012
- Thunderstorm Wind, July 23, 2012
- Tornado, July 17, 2012
- Thunderstorm Wind, July 4, 2012
- Hail, June 23, 2012
- Hail, June 8, 2012
- Flash Flood, May 29, 2012
- Flood, May 29, 2012
- Hail, May 29, 2012
- Heavy Snow, November 22, 2011
- Heavy Snow, October 29, 2011
- Hail, September 4, 2011
- Tropical Storm, August 28, 2011
- Flash Flood, August 28, 2011
- Flood, August 28, 2011
- Flood, August 28, 2011
- Tornado, August 21, 2011
- Hail, August 19, 2011
- Tornado, July 26, 2011
- Thunderstorm Wind, July 6, 2011
- Hail, June 9, 2011
- Hail, June 1, 2011
- Hail, May 26, 2011
- Flash Flood, May 26, 2011
- Flood, May 1, 2011
- Flood, April 27, 2011
- Flood, April 11, 2011
- Ice Storm, March 6, 2011
- Flood, March 6, 2011
- Heavy Snow, February 25, 2011
- Heavy Snow, February 5, 2011
- Heavy Snow, February 2, 2011
- Heavy Snow, January 18, 2011
- Heavy Snow, January 12, 2011
- Heavy Snow, December 26, 2010
- Flood, December 13, 2010
- High Wind, December 1, 2010
- Flood, October 1, 2010
- Flash Flood, October 1, 2010
- Flood, September 30, 2010
- Hail, July 21, 2010
- Hail, July 19, 2010
- Hail, May 26, 2010
- High Wind, February 25, 2010
Earlier years, state by state:
More
Tornadoes in Grafton CountyEvery warning in Grafton County since 1986Every county in New Hampshire
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.