Hail History

Hail history for Grafton, North Dakota

NOAA hail reports in and within about 5 km (3 miles) of Grafton since 1973, with preliminary reports to November 3, 2026.

Readout · Grafton

Last hail
Jun 20, 2020
0.88 in, nickel size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
4.00 in
grapefruit · Jul 19, 2016

30 reports on 22 days since 1973 · #23 of 208 North Dakota places

Hail map · Grafton

Grafton Minto Hoople St. Thomas Drayton Park River Inkster Edinburg Lankin 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
30 most recent reports with a location; Walsh County is shaded. Open street map

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What the record says about Grafton

The latest hail report in and around Grafton is from June 20, 2020, 0.88 in (nickel size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Grafton logged 12 reports on 10 hail days, about 0.6 reports a year. That is 50% more than the median North Dakota town on this site (0.4 a year) and ranks #23 of 208 North Dakota cities and towns on this site for all-time reports. Grafton accounts for 13% of the 235 reports filed in Walsh County.

3% 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 4.00 in (grapefruit) on July 19, 2016 near 2.29 W Grafton.

Reports were down 50% in 2016–2025 (4) compared with 2006–2015 (8). The busiest year was 2015, with 4 reports on 2 days. Hail here peaks in June (47% of reports); 60% fall between April and June.

Reports a year 2006–2025 average

  • Grafton 0.6
  • Walsh County 4.5
  • Median North Dakota town on this site 0.4

Hail days 2006–2025

  • Grafton 10
  • Walsh County 45
  • Median North Dakota town on this site 7

Share 2 in or larger of sized reports

  • Grafton 3%
  • Walsh County 7%
  • Median North Dakota town on this site 8%

Hail over time

01234 1973: 1 reports, largest 1.75 in 1979: 1 reports, largest 1.75 in 1980 1982: 1 reports, largest 1.75 in 1986: 1 reports, largest 1.75 in 1990 1998: 3 reports, largest 1.25 in 1999: 2 reports, largest 0.75 in 2000: 4 reports, largest 0.88 in 2000 2001: 3 reports, largest 1.00 in 2004: 1 reports, largest 0.75 in 2005: 1 reports, largest 0.88 in 2007: 1 reports, largest 1.75 in 2009: 1 reports, largest 1.00 in 2010: 2 reports, largest 1.25 in 2010 2015: 4 reports, largest 1.75 in 2016: 2 reports, largest 4.00 in 2020: 2 reports, largest 1.00 in 2020
Reports per year, 1973–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
051015 Jan Feb Mar Apr May: 4 reports (13%) May June: 14 reports (47%) Jun July: 9 reports (30%) Jul August: 3 reports (10%) Aug Sep Oct Nov Dec
All 30 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 2 2
2019 0
2018 0
2017 0

Largest hail on record

Largest hail reports in Grafton
Date Size Location County Time · source
Jul 19, 2016 4.00 ingrapefruit 2.29 W Grafton Walsh 17:45 local · NCEI
Jul 12, 2015 1.75 ingolf ball 1.54 WSW Grafton Arpt Walsh 16:45 local · NCEI
Jun 26, 2007 1.75 ingolf ball 1.95 NW Grafton Walsh 02:15 local · NCEI
Jul 5, 1986 1.75 ingolf ball — Walsh 00:55 local · NCEI
Jul 4, 1982 1.75 ingolf ball — Walsh 23:55 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 Grafton
Date Size Location County Time · source
Jun 20, 2020 0.88 innickel Grafton Walsh 14:20 local · NCEI
Jun 8, 2020 1.00 inquarter 1.38 W Grafton Arpt Walsh 14:02 local · NCEI
Aug 27, 2016 1.00 inquarter Grafton Walsh 15:29 local · NCEI
Jul 19, 2016 4.00 ingrapefruit 2.29 W Grafton Walsh 17:45 local · NCEI
Jul 12, 2015 1.75 ingolf ball 1.54 WSW Grafton Arpt Walsh 16:45 local · NCEI
Jul 8, 2015 1.00 inquarter 0.92 E Grafton Walsh 16:40 local · NCEI
Jul 8, 2015 1.00 inquarter 1.46 NNE Grafton Arpt Walsh 16:25 local · NCEI
Jul 8, 2015 1.00 inquarter 3.45 N Grafton Walsh 16:17 local · NCEI
Jun 24, 2010 1.25 inhalf dollar Grafton Walsh 13:45 local · NCEI
May 24, 2010 0.88 innickel Grafton Walsh 19:35 local · NCEI
Jun 26, 2009 1.00 inquarter 1.54 WSW Grafton Arpt Walsh 17:42 local · NCEI
Jun 26, 2007 1.75 ingolf ball 1.95 NW Grafton Walsh 02:15 local · NCEI

Hail history near Grafton

Questions about hail in Grafton

How often does it hail in Grafton, North Dakota?

30 hail reports have been logged in and within about 5 km (3 miles) of Grafton since 1973. Over the 20 years 2006–2025 that averages 0.6 reports a year. That ranks #23 of 208 North Dakota places by number of reports.

When is hail season in Grafton?

Most reports come in June, July, May. June alone accounts for 47% of all reports.

What is the largest hail recorded in Grafton?

4.00 in (grapefruit size) on July 19, 2016 near 2.29 W Grafton. 3% of reports here were 2 inches or larger.

When did it last hail in Grafton?

The most recent report in this data is from June 20, 2020 (0.88 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

None: there has been no hail report in and within about 5 km (3 miles) of Grafton since November 3, 2021. The last one was on June 20, 2020.

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.