Hail History

Hail history for Mahopac, New York

NOAA hail reports in and within about 5 km (3 miles) of Mahopac since 1998, with preliminary reports to November 3, 2026.

Readout · Mahopac

Last hail
Nov 13, 2021
1.00 in, quarter size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
1.00 in
quarter · Nov 13, 2021

11 reports on 9 days since 1998 · #78 of 98 New York places

Hail map · Mahopac

Mahopac Beacon 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
11 most recent reports with a location; Putnam County is shaded. Open street map

For homeowners

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What the record says about Mahopac

The latest hail report in and around Mahopac is from November 13, 2021, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on November 13, 2021.

Over the 20 years 2006–2025, Mahopac logged 10 reports on 8 hail days, about 0.5 reports a year. That is about the same as the median New York town on this site (0.5 a year) and ranks #78 of 98 New York cities and towns on this site for all-time reports. Mahopac accounts for 33% of the 33 reports filed in Putnam County.

0% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median New York town on this site. The largest hail on record here is 1.00 in (quarter) on November 13, 2021 near 1.48 NNE Lake Mahopac.

Reports were down 89% in 2016–2025 (1) compared with 2006–2015 (9). The busiest year was 2011, with 3 reports on 2 days. Hail here peaks in June (36% of reports); 45% fall between April and June.

Reports a year 2006–2025 average

  • Mahopac 0.5
  • Putnam County 1.0
  • Median New York town on this site 0.5

Hail days 2006–2025

  • Mahopac 8
  • Putnam County 16
  • Median New York town on this site 7

Share 2 in or larger of sized reports

  • Mahopac 0%
  • Putnam County 0%
  • Median New York town on this site 0%

Hail over time

0123 1998: 1 reports, largest 0.75 in 2000 2005 2006: 2 reports, largest 0.75 in 2008: 2 reports, largest 1.00 in 2010: 1 reports, largest 0.75 in 2010 2011: 3 reports, largest 1.00 in 2012: 1 reports, largest 0.88 in 2015 2020 2021: 1 reports, largest 1.00 in 2025
Reports per year, 1998–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
01234 Jan Feb Mar Apr May: 1 reports (9%) May June: 4 reports (36%) Jun July: 3 reports (27%) Jul August: 1 reports (9%) Aug September: 1 reports (9%) Sep Oct November: 1 reports (9%) Nov Dec
All 11 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 0
2022 0
2021 1 1
2020 0
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Nov 13, 2021 1 1.00 in —

Largest hail on record

Largest hail reports in Mahopac
Date Size Location County Time · source
Nov 13, 2021 1.00 inquarter 1.48 NNE Lake Mahopac Putnam 14:15 local · NCEI
Jun 9, 2011 1.00 inquarter Mahopac Putnam 16:30 local · NCEI
Jun 16, 2008 1.00 inquarter 0.52 E Lake Mahopac Putnam 18:00 local · NCEI
Jun 8, 2012 0.88 innickel Mahopac Putnam 13:45 local · NCEI
Aug 1, 2011 0.88 innickel 0.52 E Mahopac Putnam 17:10 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Mahopac
Date Size Location County Time · source
Nov 13, 2021 1.00 inquarter 1.48 NNE Lake Mahopac Putnam 14:15 local · NCEI
Jun 8, 2012 0.88 innickel Mahopac Putnam 13:45 local · NCEI
Aug 1, 2011 0.88 innickel 0.52 E Mahopac Putnam 17:10 local · NCEI
Jun 9, 2011 1.00 inquarter Mahopac Putnam 16:30 local · NCEI
Jun 9, 2011 0.75 inpenny Mahopac Putnam 15:45 local · NCEI
Sep 13, 2010 0.75 inpenny 0.52 E Lake Mahopac Putnam 16:40 local · NCEI
Jul 23, 2008 0.75 inpenny 0.52 E Lake Mahopac Putnam 19:31 local · NCEI
Jun 16, 2008 1.00 inquarter 0.52 E Lake Mahopac Putnam 18:00 local · NCEI
Jul 18, 2006 0.75 inpenny Mahopac Putnam 18:52 local · NCEI
Jul 18, 2006 0.75 inpenny Mahopac Putnam 18:10 local · NCEI
May 31, 1998 0.75 inpenny Mahopac Putnam 21:06 local · NCEI

Hail history near Mahopac

Questions about hail in Mahopac

How often does it hail in Mahopac, New York?

11 hail reports have been logged in and within about 5 km (3 miles) of Mahopac since 1998. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #78 of 98 New York places by number of reports.

When is hail season in Mahopac?

Most reports come in June, July, May. June alone accounts for 36% of all reports.

What is the largest hail recorded in Mahopac?

1.00 in (quarter size) on November 13, 2021 near 1.48 NNE Lake Mahopac. 0% of reports here were 2 inches or larger.

When did it last hail in Mahopac?

The most recent report in this data is from November 13, 2021 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Mahopac had in the last five years?

1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was November 13, 2021.

Where does this hail data come from?

Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.