Storm History: St. Lawrence County, New York

Events

1,346

Deaths

3

Injuries

13

Damage

$66 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.

Open the live radar over St. Lawrence County

• Ice Storm, January 6, 19981 death · $3.0 million · 1 event here
• Tornado, August 15, 19861 death · 3 injured · $250,000 · F2 · 2 events here
• Cold/Wind Chill, January 26, 20041 death · 1 event here

• Hail, July 15, 1995$35 million · 1 in hail · 7 events here
• Flash Flood, August 9, 2024$7.0 million · 4 events here
• Flood, April 14, 2014$4.1 million · 1 event here
• Ice Storm, January 6, 19981 death · $3.0 million · 1 event here
• Flash Flood, December 20, 2013$1.9 million · 3 events here
• Flood, April 27, 2011$1.0 million · 1 event here
• Heat, March 17, 2012$700,000 · 3 events here
• High Wind, January 9, 2008$600,000 · 60 kt wind · 3 events here
• Flash Flood, September 16, 2005$500,000 · 1 event here
• Hail, June 10, 2008$340,000 · 1.75 in hail · 6 events here
• Tornado, May 31, 1985$250,000 · F4 · 1 event here
• Tornado, August 15, 19861 death · 3 injured · $250,000 · F2 · 2 events here
• Tornado, July 24, 1987$250,000 · F0 · 1 event here
• Lightning, May 10, 2007$250,000 · 1 event here
• Frost/Freeze, April 28, 2012$250,000 · 2 events here
• High Wind, April 28, 2011$225,000 · 61 kt wind · 2 events here
• Hail, July 21, 2010$200,000 · 1.75 in hail · 7 events here
• Hail, July 17, 2012$185,000 · 1 in hail · 10 events here
• Flood, January 27, 1996$150,000 · 2 events here
• Flood, September 30, 2010$150,000 · 1 event here

• Hail, July 4, 2012$25,000 · 2.25 in hail · 3 events here
• Hail, October 1, 20192 in hail · 2 events here
• Hail, August 20, 19702 in hail · 2 events here
• Hail, July 10, 19662 in hail · 1 event here
• Hail, October 10, 2020$7,000 · 1.75 in hail · 2 events here
• Hail, September 11, 2013$35,000 · 1.75 in hail · 4 events here
• Hail, July 21, 2010$200,000 · 1.75 in hail · 7 events here
• Hail, June 10, 2008$340,000 · 1.75 in hail · 6 events here
• Hail, August 16, 2007$20,000 · 1.75 in hail · 1 event here
• Hail, September 20, 20051.75 in hail · 1 event here
• Hail, July 28, 1995$12,000 · 1.75 in hail · 3 events here
• Hail, July 2, 1994$5,000 · 1.75 in hail · 1 event here
• Hail, July 21, 1994$15,000 · 1.75 in hail · 6 events here
• Hail, August 28, 19701.75 in hail · 1 event here
• Hail, July 3, 2025$2,000 · 1.5 in hail · 3 events here

• Tornado, May 31, 1985$250,000 · F4 · 1 event here
• Tornado, July 10, 19892 injured · $25,000 · F4 · 2 events here
• Tornado, August 15, 19861 death · 3 injured · $250,000 · F2 · 2 events here
• Tornado, September 19, 1954$25,000 · F2 · 1 event here
• Tornado, July 30, 1987F2 · 2 events here

Every tornado in St. Lawrence County, with its track

• Thunderstorm Wind, June 30, 2026$25,000 · 55 kt wind · 3 events here
• Tornado, May 29, 2026$5,000 · EF0 · 1 event here
• Thunderstorm Wind, April 16, 2026$10,000 · 50 kt wind · 1 event here
• High Wind, March 16, 2026$60,000 · 50 kt wind · 3 events here
• Winter Storm, February 20, 20263 events here
• Winter Weather, February 10, 20263 events here
• Extreme Cold/Wind Chill, February 7, 20263 events here
• Extreme Cold/Wind Chill, January 29, 20263 events here
• Winter Storm, January 25, 20263 events here
• Extreme Cold/Wind Chill, January 23, 20263 events here
• Winter Storm, January 14, 20263 events here
• Lake-Effect Snow, December 31, 20251 event here
• Winter Weather, December 28, 20253 events here
• Winter Storm, December 10, 20253 events here
• Winter Weather, December 7, 20253 events here
• Lake-Effect Snow, November 27, 20251 event here
• Winter Storm, November 16, 20251 event here
• Thunderstorm Wind, September 4, 2025$2,000 · 50 kt wind · 2 events here
• Thunderstorm Wind, August 24, 2025$12,000 · 50 kt wind · 2 events here
• Flash Flood, July 13, 2025$4,000 · 50 kt wind · 2 events here
• Hail, July 3, 2025$2,000 · 1.5 in hail · 3 events here
• Thunderstorm Wind, June 24, 2025$3,000 · 50 kt wind · 2 events here
• Heat, June 23, 20253 events here
• Thunderstorm Wind, June 22, 2025$1,000 · 53 kt wind · 1 event here
• Ice Storm, March 28, 20253 events here
• Blizzard, February 15, 20254 events here
• Winter Weather, February 12, 20253 events here
• Winter Weather, February 3, 20253 events here
• Winter Storm, January 28, 20253 events here
• High Wind, January 27, 202563 kt wind · 2 events here
• Winter Storm, January 7, 20252 events here
• Winter Storm, January 1, 20251 event here
• Winter Storm, December 23, 20243 events here
• Lake-Effect Snow, December 12, 20241 event here
• Lake-Effect Snow, November 29, 20241 event here
• Tornado, August 11, 2024EF0 · 1 event here
• Flash Flood, August 9, 2024$7.0 million · 4 events here
• Thunderstorm Wind, July 24, 2024$12,000 · 50 kt wind · 3 events here
• Hail, July 10, 2024$52,000 · 1.5 in hail · 2 events here
• Thunderstorm Wind, June 23, 2024$5,000 · 60 kt wind · 1 event here
• Thunderstorm Wind, May 27, 2024$7,000 · 50 kt wind · 2 events here
• Winter Storm, April 3, 20243 events here
• Winter Storm, March 23, 20243 events here
• Winter Storm, March 9, 20241 event here
• High Wind, February 28, 2024$80,000 · 65 kt wind · 3 events here
• Lake-Effect Snow, February 18, 20241 event here
• Winter Weather, January 24, 20243 events here
• Lake-Effect Snow, January 17, 20241 event here
• Winter Weather, January 16, 20243 events here
• Lake-Effect Snow, January 14, 20242 events here
• Strong Wind, January 13, 20243 events here
• High Wind, January 10, 202465 kt wind · 3 events here
• Winter Storm, January 6, 20243 events here
• Flash Flood, August 4, 2023$75,000 · 1 event here
• Thunderstorm Wind, July 16, 2023$10,000 · 50 kt wind · 1 event here
• Hail, July 13, 2023$20,000 · 1 in hail · 2 events here
• Frost/Freeze, May 18, 20232 events here
• Winter Storm, March 14, 20233 events here
• Winter Storm, March 3, 20233 events here
• Winter Storm, February 22, 20233 events here
• Extreme Cold/Wind Chill, February 3, 20233 events here
• Winter Storm, January 25, 20233 events here
• Winter Weather, January 19, 20233 events here
• Winter Weather, January 12, 20233 events here
• Flash Flood, December 25, 2022$100,000 · 1 event here
• Strong Wind, December 23, 2022$55,000 · 3 events here
• Blizzard, December 23, 20224 events here
• Winter Storm, December 16, 20223 events here
• Lake-Effect Snow, November 18, 20222 events here
• Thunderstorm Wind, July 28, 2022$2,000 · 50 kt wind · 1 event here
• Thunderstorm Wind, July 24, 2022$10,000 · 50 kt wind · 1 event here
• Thunderstorm Wind, July 19, 2022$19,000 · 55 kt wind · 4 events here
• Thunderstorm Wind, July 12, 2022$4,000 · 50 kt wind · 2 events here
• Thunderstorm Wind, June 16, 2022$90,000 · 65 kt wind · 5 events here
• Hail, May 16, 2022$25,000 · 1 in hail · 2 events here
• Winter Storm, April 19, 2022$25,000 · 1 event here
• Winter Storm, March 12, 20223 events here
• Winter Storm, February 25, 20223 events here
• Winter Storm, February 17, 20223 events here
• Winter Storm, February 3, 20223 events here
• Extreme Cold/Wind Chill, January 27, 20223 events here
• Cold/Wind Chill, January 20, 20223 events here
• Winter Storm, January 17, 20223 events here
• Extreme Cold/Wind Chill, January 14, 20223 events here
• Extreme Cold/Wind Chill, January 11, 20223 events here
• Winter Weather, December 25, 20213 events here
• Winter Storm, December 18, 20213 events here
• High Wind, December 11, 2021$145,000 · 63 kt wind · 3 events here
• Strong Wind, December 6, 2021$20,000 · 2 events here
• Winter Storm, November 26, 2021$25,000 · 3 events here
• Hail, July 20, 2021$147,000 · 1.25 in hail · 11 events here
• Thunderstorm Wind, July 13, 2021$8,000 · 50 kt wind · 4 events here
• Thunderstorm Wind, June 21, 2021$20,000 · 60 kt wind · 1 event here
• Winter Weather, April 21, 20212 events here
• Thunderstorm Wind, March 26, 2021$2,000 · 55 kt wind · 1 event here
• Strong Wind, March 1, 2021$15,000 · 3 events here
• Winter Weather, February 16, 20212 events here
• Winter Storm, February 2, 2021$25,000 · 3 events here
• Winter Storm, January 15, 2021$20,000 · 3 events here
• Winter Storm, January 1, 20211 event here
• Lake-Effect Snow, December 26, 20201 event here
• Thunderstorm Wind, November 15, 2020$25,000 · 50 kt wind · 1 event here
• Hail, October 10, 2020$7,000 · 1.75 in hail · 2 events here
• Thunderstorm Wind, August 2, 2020$7,000 · 50 kt wind · 2 events here
• Thunderstorm Wind, July 19, 2020$35,000 · 50 kt wind · 3 events here
• Heat, July 7, 20202 events here
• Thunderstorm Wind, June 28, 2020$10,000 · 50 kt wind · 1 event here
• Thunderstorm Wind, June 27, 2020$22,000 · 55 kt wind · 2 events here
• Heat, June 18, 20202 events here
• Thunderstorm Wind, May 27, 2020$5,000 · 60 kt wind · 1 event here
• High Wind, April 13, 2020$10,000 · 52 kt wind · 1 event here
• Hail, March 29, 20201 in hail · 2 events here
• Thunderstorm Wind, March 20, 2020$20,000 · 60 kt wind · 6 events here
• Lake-Effect Snow, February 27, 2020$10,000 · 1 event here
• Winter Storm, February 6, 2020$45,000 · 3 events here
• Winter Storm, January 18, 2020$5,000 · 3 events here
• Winter Storm, January 15, 20203 events here
• Ice Storm, January 12, 2020$35,000 · 2 events here
• Winter Storm, December 29, 2019$85,000 · 3 events here
• Winter Storm, November 11, 2019$20,000 · 3 events here
• Flash Flood, November 1, 2019$105,000 · 60 kt wind · 3 events here
• Hail, October 1, 20192 in hail · 2 events here
• Hail, September 26, 2019$5,000 · 1.25 in hail · 2 events here
• Hail, July 11, 2019$50,000 · 1 in hail · 5 events here
• Thunderstorm Wind, June 29, 2019$5,000 · 50 kt wind · 1 event here
• Thunderstorm Wind, May 25, 2019$7,000 · 55 kt wind · 2 events here
• Winter Storm, March 22, 2019$20,000 · 3 events here
• High Wind, February 24, 2019$55,000 · 52 kt wind · 3 events here
• Winter Storm, February 12, 2019$30,000 · 3 events here
• Winter Storm, January 19, 2019$30,000 · 3 events here
• Winter Storm, January 8, 2019$20,000 · 3 events here
• Winter Storm, November 26, 2018$15,000 · 3 events here
• Winter Storm, November 15, 2018$20,000 · 3 events here
• Heat, July 1, 201855 kt wind · 2 events here
• Thunderstorm Wind, June 13, 2018$20,000 · 50 kt wind · 2 events here
• Hail, May 4, 2018$10,000 · 1.25 in hail · 2 events here
• High Wind, April 4, 2018$50,000 · 57 kt wind · 2 events here
• Winter Storm, March 13, 2018$20,000 · 3 events here
• Winter Weather, March 7, 20183 events here
• Winter Storm, February 7, 2018$20,000 · 3 events here
• Winter Storm, January 12, 2018$30,000 · 3 events here
• Winter Storm, December 25, 2017$5,000 · 3 events here
• Winter Weather, December 22, 2017$30,000 · 3 events here
• Winter Storm, December 12, 2017$35,000 · 3 events here
• Lake-Effect Snow, December 7, 20171 event here
• Thunderstorm Wind, August 22, 2017$7,000 · 55 kt wind · 2 events here
• Hail, August 4, 2017$17,000 · 50 kt wind · 9 events here
• Flash Flood, July 24, 2017$105,000 · 2 events here
• Thunderstorm Wind, July 8, 2017$70,000 · 55 kt wind · 4 events here
• Thunderstorm Wind, June 24, 2017$35,000 · 70 kt wind · 1 event here
• Thunderstorm Wind, May 1, 2017$125,000 · 70 kt wind · 3 events here
• Blizzard, March 14, 2017$40,000 · 3 events here
• Thunderstorm Wind, February 25, 2017$75,000 · 55 kt wind · 3 events here
• Winter Storm, February 12, 2017$30,000 · 3 events here
• High Wind, January 10, 2017$20,000 · 54 kt wind · 2 events here
• Winter Storm, November 20, 2016$30,000 · 3 events here
• Thunderstorm Wind, September 10, 2016$10,000 · 50 kt wind · 2 events here
• Hail, July 18, 2016$15,000 · 1.25 in hail · 3 events here
• Thunderstorm Wind, July 9, 2016$65,000 · 65 kt wind · 2 events here
• Flash Flood, June 28, 2016$25,000 · 1.25 in hail · 5 events here
• Thunderstorm Wind, June 20, 2016$12,000 · 55 kt wind · 2 events here
• Strong Wind, February 29, 2016$15,000 · 3 events here
• Winter Storm, February 16, 2016$30,000 · 3 events here
• Winter Storm, December 28, 20153 events here
• Thunderstorm Wind, August 18, 2015$85,000 · 55 kt wind · 4 events here
• Cold/Wind Chill, February 1, 20153 events here
• Winter Storm, February 1, 2015$25,000 · 3 events here
• Winter Weather, January 29, 2015$15,000 · 3 events here
• Extreme Cold/Wind Chill, January 7, 20153 events here
• Lake-Effect Snow, January 6, 2015$5,000 · 1 event here
• Lake-Effect Snow, January 1, 2015$20,000 · 2 events here
• Lake-Effect Snow, December 31, 20142 events here
• Winter Storm, December 9, 2014$30,000 · 3 events here
• Lake-Effect Snow, November 20, 2014$20,000 · 1 event here
• Lake-Effect Snow, November 18, 2014$125,000 · 2 events here
• Thunderstorm Wind, July 8, 2014$110,000 · 60 kt wind · 7 events here
• Flood, April 14, 2014$4.1 million · 1 event here
• Flood, April 8, 2014$10,000 · 1 event here
• Winter Storm, March 29, 2014$20,000 · 3 events here
• Winter Storm, March 12, 2014$40,000 · 3 events here
• Heavy Snow, February 13, 2014$20,000 · 3 events here
• Heavy Snow, February 5, 2014$15,000 · 3 events here
• Flash Flood, December 20, 2013$1.9 million · 3 events here
• Winter Storm, December 14, 2013$20,000 · 3 events here
• Winter Storm, November 26, 2013$20,000 · 2 events here
• High Wind, November 1, 2013$120,000 · 55 kt wind · 3 events here
• Hail, September 11, 2013$35,000 · 1.75 in hail · 4 events here
• Thunderstorm Wind, July 19, 2013$85,000 · 55 kt wind · 5 events here
• Hail, July 18, 2013$32,000 · 50 kt wind · 5 events here
• Thunderstorm Wind, July 10, 2013$50,000 · 55 kt wind · 2 events here
• Thunderstorm Wind, June 24, 2013$10,000 · 55 kt wind · 1 event here
• Thunderstorm Wind, June 1, 2013$2,000 · 50 kt wind · 1 event here
• Hail, May 22, 2013$40,000 · 1 in hail · 6 events here
• Thunderstorm Wind, May 21, 2013$20,000 · 55 kt wind · 1 event here
• Winter Storm, March 18, 2013$15,000 · 3 events here
• Winter Storm, February 8, 2013$20,000 · 3 events here
• High Wind, January 31, 2013$30,000 · 50 kt wind · 3 events here
• High Wind, January 20, 2013$65,000 · 52 kt wind · 3 events here
• Winter Storm, December 26, 2012$40,000 · 3 events here
• Winter Storm, December 21, 2012$10,000 · 2 events here
• Strong Wind, October 29, 2012$10,000 · 2 events here
• Thunderstorm Wind, September 8, 2012$45,000 · 60 kt wind · 2 events here
• Hail, August 11, 2012$2,000 · 50 kt wind · 2 events here
• Thunderstorm Wind, August 5, 2012$5,000 · 50 kt wind · 1 event here
• Hail, July 23, 2012$35,000 · 1 in hail · 3 events here
• Hail, July 17, 2012$185,000 · 1 in hail · 10 events here
• Hail, July 4, 2012$25,000 · 2.25 in hail · 3 events here
• Frost/Freeze, April 28, 2012$250,000 · 2 events here
• Heat, March 17, 2012$700,000 · 3 events here
• High Wind, March 3, 2012$50,000 · 54 kt wind · 2 events here
• Winter Storm, February 24, 2012$15,000 · 3 events here
• High Wind, January 17, 2012$95,000 · 57 kt wind · 3 events here
• Winter Storm, January 13, 2012$10,000 · 2 events here
• Ice Storm, January 12, 2012$50,000 · 2 events here
• Winter Storm, November 22, 2011$5,000 · 1 event here
• Hail, July 26, 20111 in hail · 2 events here
• Heat, July 21, 20112 events here
• Thunderstorm Wind, July 17, 2011$125,000 · 60 kt wind · 8 events here
• Thunderstorm Wind, June 8, 2011$65,000 · 55 kt wind · 4 events here
• High Wind, June 1, 2011$25,000 · 50 kt wind · 1 event here
• Hail, May 26, 2011$1,000 · 1.25 in hail · 2 events here
• Flood, May 1, 20111 event here
• High Wind, April 28, 2011$225,000 · 61 kt wind · 2 events here
• Flood, April 27, 2011$1.0 million · 1 event here
• Winter Storm, March 6, 2011$15,000 · 3 events here
• Winter Storm, February 25, 2011$15,000 · 3 events here
• Strong Wind, February 18, 2011$25,000 · 3 events here
• Lake-Effect Snow, February 9, 2011$5,000 · 1 event here
• Winter Weather, February 7, 2011$15,000 · 3 events here
• Winter Storm, February 5, 2011$25,000 · 3 events here
• Winter Storm, February 2, 2011$20,000 · 3 events here
• Winter Weather, January 9, 2011$2,000 · 1 event here
• Winter Weather, December 13, 2010$20,000 · 3 events here
• Winter Storm, December 6, 2010$5,000 · 1 event here
• Strong Wind, December 1, 2010$50,000 · 1 event here
• Flood, October 1, 2010$150,000 · 1 event here
• Flood, September 30, 2010$150,000 · 1 event here
• Flood, August 22, 2010$40,000 · 1 event here
• Thunderstorm Wind, August 4, 2010$50,000 · 50 kt wind · 1 event here
• Hail, July 21, 2010$200,000 · 1.75 in hail · 7 events here
• Thunderstorm Wind, July 9, 2010$5,000 · 50 kt wind · 1 event here
• Winter Storm, April 27, 2010$15,000 · 2 events here
• Lake-Effect Snow, January 27, 2010$10,000 · 2 events here
• Winter Storm, January 2, 2010$20,000 · 3 events here
• Winter Weather, December 28, 2009$15,000 · 3 events here
• Lake-Effect Snow, December 10, 2009$5,000 · 1 event here
• Winter Storm, December 9, 2009$2,000 · 1 event here
• Thunderstorm Wind, August 11, 2009$2,000 · 50 kt wind · 1 event here
• Hail, July 16, 20091 in hail · 2 events here
• Thunderstorm Wind, July 11, 2009$20,000 · 60 kt wind · 1 event here

Earlier years, state by state:

• 2009
• 2008
• 2007
• 2006
• 2005
• 2004
• 2003
• 2002
• 2001
• 2000
• 1999
• 1998
• 1997
• 1996
• 1995
• 1994
• 1991
• 1990
• 1989
• 1988
• 1987
• 1986
• 1985
• 1984
• 1983
• 1980
• 1979
• 1976
• 1973
• 1972
• 1970
• 1969
• 1966
• 1962
• 1958
• 1954

Tornadoes in St. Lawrence CountyEvery warning in St. Lawrence County since 1986Every county in New York

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.