Hurricanes and Tornadoes That Hit Mount Kisco, NY

The nearest NOAA station with 1991–2020 climate normals is Yorktown Hts 1W, NY, 6 miles northwest of Mount Kisco at 670 feet. July is the warmest, with an average high of 83°F and low of 61°F; January is the coolest, at 36°F and 17°F. June is the wettest at 5.0 inches of precipitation on average and February the driest at 3.1 inches; the year adds up to 50.3 inches over 83 days with at least a tenth of an inch. June to November, the hurricane season months, bring 54% of the year's precipitation (27.2 of 50.3 inches); the other six months are drier. September has brought the most of the 44 tropical systems that passed within 75 miles (19); a normal September there has highs of 74°F and 4.8 inches of precipitation. Highs reach 90°F on about 10 days a year, almost all from June to August. Lows fall below freezing on about 116 nights a year. Snowfall averages 39.5 inches a year, most of it in February. That 50.3 inches is more than at 124 of the 137 New York stations used on this site (91%). Armonk, 5 miles south, has its own station (Westchester Co Airport, NY): 47.7 inches a year, 2.6 less than here, and the same July average high, 83°F.

Since 1996, the National Weather Service has logged 241 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Mount Kisco: 173 thunderstorm wind reports, 55 flash floods, 10 floods, 2 lightning strikes and 1 heavy rain event. They killed 2 people and injured 4, and the NWS estimated $98.6 million in property and crop damage. The strongest thunderstorm gust on record here was 87 mph, on July 9, 1997. July has had the most flash floods, 27 of 55. Of the 798 New York cities on this site with a flash flood on record, 557 have had fewer than Mount Kisco.

Flood insurance policyholders in Mount Kisco's ZIP code 10549 have filed 91 claims with the National Flood Insurance Program since 1978, and were paid $2.4 million for buildings and contents, in the dollars of each year. The most came from Hurricane Irene in 2011: 18 claims (20% of all) and $408,000, then Hurricane Ida in 2021 with 16 and Hurricane Floyd in 1999 with 12. 64% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 549 New York cities on this site with 10 or more claims, 367 have fewer than Mount Kisco.