Hail History

Hail history for Zap, North Dakota

NOAA hail reports in and within about 5 km (3 miles) of Zap since 1977, with preliminary reports to November 5, 2026.

Readout · Zap

Last hail
Aug 12, 2017
0.75 in, penny size
Hail days, last 5 years
0
since Nov 5, 2021 · 0 reports
Largest ever
2.00 in
hen egg · Jul 2, 2005

11 reports on 11 days since 1977 · #181 of 208 North Dakota places

Hail map · Zap

Zap Beulah Hazen Halliday Stanton Riverdale Center 10 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; Mercer County is shaded. Open street map

For homeowners

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What the record says about Zap

The latest hail report in and around Zap is from August 12, 2017, 0.75 in (penny size). There has been no hail report here in the five years since November 5, 2021.

Over the 20 years 2006–2025, Zap logged 5 reports on 5 hail days, about 0.3 reports a year. That is 38% less than the median North Dakota town on this site (0.4 a year) and ranks #181 of 208 North Dakota cities and towns on this site for all-time reports. Zap accounts for 7% of the 154 reports filed in Mercer County.

9% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median North Dakota town on this site. The largest hail on record here is 2.00 in (hen egg) on July 2, 2005 near Zap.

Hail here peaks in July (45% of reports); 36% fall between April and June.

Reports a year 2006–2025 average

  • Zap 0.3
  • Mercer County 4.8
  • Median North Dakota town on this site 0.4

Hail days 2006–2025

  • Zap 5
  • Mercer County 48
  • Median North Dakota town on this site 7

Share 2 in or larger of sized reports

  • Zap 9%
  • Mercer County 15%
  • Median North Dakota town on this site 8%

Hail over time

01 1977: 1 reports, largest 1.75 in 1980 1986: 1 reports, largest 0.75 in 1989: 1 reports, largest 1.75 in 1990 1997: 1 reports, largest 0.75 in 2000 2001: 1 reports, largest 0.75 in 2005: 1 reports, largest 2.00 in 2006: 1 reports, largest 1.00 in 2008: 1 reports, largest 1.00 in 2010: 1 reports, largest 1.00 in 2010 2011: 1 reports, largest 1.25 in 2017: 1 reports, largest 0.75 in 2020
Reports per year, 1977–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan Feb Mar Apr May June: 4 reports (36%) Jun July: 5 reports (45%) Jul August: 2 reports (18%) Aug Sep Oct 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 0
2020 0
2019 0
2018 0
2017 1 1

Largest hail on record

Largest hail reports in Zap
Date Size Location County Time · source
Jul 2, 2005 2.00 inhen egg Zap Mercer 19:45 local · NCEI
Jun 28, 1989 1.75 ingolf ball — Mercer 15:47 local · NCEI
Jun 14, 1977 1.75 ingolf ball — Mercer 18:10 local · NCEI
Jul 22, 2011 1.25 inhalf dollar 0.69 N Zap Mercer 20:30 local · NCEI
Jul 10, 2010 1.00 inquarter 0.69 N Zap Mercer 18:53 local · NCEI

Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.

Size of every report

Most recent reports

Most recent hail reports in Zap
Date Size Location County Time · source
Aug 12, 2017 0.75 inpenny 0.69 N Zap Mercer 16:15 local · NCEI
Jul 22, 2011 1.25 inhalf dollar 0.69 N Zap Mercer 20:30 local · NCEI
Jul 10, 2010 1.00 inquarter 0.69 N Zap Mercer 18:53 local · NCEI
Jun 26, 2008 1.00 inquarter Zap Mercer 15:59 local · NCEI
Aug 24, 2006 1.00 inquarter Zap Mercer 07:10 local · NCEI
Jul 2, 2005 2.00 inhen egg Zap Mercer 19:45 local · NCEI
Jun 9, 2001 0.75 inpenny Zap Mercer 15:45 local · NCEI
Jul 10, 1997 0.75 inpenny Zap Mercer 18:55 local · NCEI
Jun 28, 1989 1.75 ingolf ball — Mercer 15:47 local · NCEI
Jul 29, 1986 0.75 inpenny — Mercer 17:00 local · NCEI
Jun 14, 1977 1.75 ingolf ball — Mercer 18:10 local · NCEI

Hail history near Zap

Questions about hail in Zap

How often does it hail in Zap, North Dakota?

11 hail reports have been logged in and within about 5 km (3 miles) of Zap since 1977. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #181 of 208 North Dakota places by number of reports.

When is hail season in Zap?

Most reports come in July, June, August. July alone accounts for 45% of all reports.

What is the largest hail recorded in Zap?

2.00 in (hen egg size) on July 2, 2005 near Zap. 9% of reports here were 2 inches or larger.

When did it last hail in Zap?

The most recent report in this data is from August 12, 2017 (0.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 5, 2026.

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

None: there has been no hail report in and within about 5 km (3 miles) of Zap since November 5, 2021. The last one was on August 12, 2017.

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.