Hail History

Hail history for Grand Forks, North Dakota

NOAA hail reports in and within about 5 km (3 miles) of Grand Forks since 1960, with preliminary reports to November 3, 2026.

Readout · Grand Forks

Last hail
Jul 7, 2025
1.00 in, quarter size
Hail days, last 5 years
3
since Nov 3, 2021 · 4 reports
Largest ever
2.75 in
baseball · Jun 12, 1984

106 reports on 57 days since 1960 · #2 of 208 North Dakota places

Hail map · Grand Forks

Grand Forks Thompson Manvel Grand Forks AFB Reynolds Larimore Northwood 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
106 most recent reports with a location; Grand Forks County is shaded. Open street map

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What the record says about Grand Forks

The latest hail report in and around Grand Forks is from July 7, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.00 in on July 7, 2025.

Over the 20 years 2006–2025, Grand Forks logged 53 reports on 27 hail days, about 2.6 reports a year. That is 6.6 times the median North Dakota town on this site (0.4 a year) and ranks #2 of 208 North Dakota cities and towns on this site for all-time reports. Grand Forks accounts for 27% of the 395 reports filed in Grand Forks County.

4% 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 2.75 in (baseball) on June 12, 1984.

Reports were down 39% in 2016–2025 (20) compared with 2006–2015 (33). The busiest year was 2001, with 15 reports on 6 days. Hail here peaks in August (34% of reports); 37% fall between April and June.

Reports a year 2006–2025 average

  • Grand Forks 2.6
  • Grand Forks County 9.6
  • Median North Dakota town on this site 0.4

Hail days 2006–2025

  • Grand Forks 27
  • Grand Forks County 72
  • Median North Dakota town on this site 7

Share 2 in or larger of sized reports

  • Grand Forks 4%
  • Grand Forks County 5%
  • Median North Dakota town on this site 8%

Hail over time

051015 1960: 1 reports, largest 1.00 in 1960 1962: 1 reports, largest 1.50 in 1970 1973: 1 reports, largest 1.50 in 1974: 1 reports, largest 1.00 in 1977: 1 reports, largest 1.00 in 1980 1983: 1 reports, largest 1.00 in 1984: 2 reports, largest 2.75 in 1987: 3 reports, largest 1.75 in 1990 1996: 4 reports, largest 1.75 in 1997: 3 reports, largest 1.00 in 2000: 3 reports, largest 1.75 in 2000 2001: 15 reports, largest 2.25 in 2002: 4 reports, largest 0.88 in 2003: 2 reports, largest 0.75 in 2004: 2 reports, largest 1.75 in 2005: 9 reports, largest 1.75 in 2006: 1 reports, largest 1.00 in 2007: 2 reports, largest 0.75 in 2008: 3 reports, largest 0.88 in 2009: 6 reports, largest 2.00 in 2010: 4 reports, largest 1.25 in 2010 2011: 4 reports, largest 1.25 in 2012: 5 reports, largest 1.00 in 2013: 3 reports, largest 1.25 in 2015: 5 reports, largest 1.00 in 2016: 3 reports, largest 1.75 in 2017: 3 reports, largest 0.88 in 2018: 4 reports, largest 1.00 in 2019: 1 reports, largest 0.88 in 2020: 3 reports, largest 1.00 in 2020 2021: 2 reports, largest 1.00 in 2022: 3 reports, largest 1.00 in 2025: 1 reports, largest 1.00 in
Reports per year, 1960–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
010203040 Jan Feb Mar April: 1 reports (1%) Apr May: 15 reports (14%) May June: 23 reports (22%) Jun July: 28 reports (26%) Jul August: 36 reports (34%) Aug September: 3 reports (3%) Sep Oct Nov Dec
All 106 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 1 1
2024 0
2023 0
2022 12 3
2021 2 2
2020 12 3
2019 1 1
2018 211 4
2017 21 3

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jul 7, 2025 1 1.00 in —
Jun 20, 2022 2 1.00 in —
Apr 23, 2022 1 0.75 in —

Largest hail on record

Largest hail reports in Grand Forks
Date Size Location County Damage Time · source
Jun 12, 1984 2.75 inbaseball — Grand Forks — 16:10 local · NCEI
May 15, 2001 2.25 inhen egg Grand Forks Grand Forks — 14:07 local · NCEI
Aug 14, 2009 2.00 inhen egg 0.93 W Grand Forks Grand Forks — 09:17 local · NCEI
May 15, 2001 2.00 inhen egg Grand Forks Grand Forks $10.0 million1 injured 14:05 local · NCEI
Aug 23, 2016 1.75 ingolf ball 2.87 WNW Merrifield Grand Forks — 02:05 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 Grand Forks
Date Size Location County Time · source
Jul 7, 2025 1.00 inquarter 1.16 NW Grand Forks Grand Forks 15:47 local · NCEI
Jun 20, 2022 1.00 inquarter 2.76 S Grand Forks Grand Forks 15:30 local · NCEI
Jun 20, 2022 1.00 inquarter 2.27 SSW Grand Forks Grand Forks 15:21 local · NCEI
Apr 23, 2022 0.75 inpenny 3 S Grand Forks Grand Forks 17:34 local · NCEI
Aug 9, 2021 1.00 inquarter 1.66 SE Bolack Grand Forks 21:30 local · NCEI
Aug 9, 2021 1.00 inquarter 0.93 W Grand Forks Grand Forks 21:30 local · NCEI
Aug 19, 2020 0.75 inpenny 0.93 W Grand Forks Grand Forks 07:30 local · NCEI
Aug 19, 2020 1.00 inquarter 1.39 E Powell Grand Forks 04:00 local · NCEI
Jul 4, 2020 0.88 innickel 1.66 SW Grand Forks Grand Forks 09:15 local · NCEI
Jun 8, 2019 0.88 innickel 0.93 W Grand Forks Grand Forks 00:05 local · NCEI
Aug 31, 2018 0.88 innickel 2.78 SW Grand Forks Grand Forks 20:24 local · NCEI
Jul 8, 2018 0.75 inpenny 1.66 SE Bolack Grand Forks 04:26 local · NCEI

Hail history near Grand Forks

Questions about hail in Grand Forks

How often does it hail in Grand Forks, North Dakota?

106 hail reports have been logged in and within about 5 km (3 miles) of Grand Forks since 1960. Over the 20 years 2006–2025 that averages 2.6 reports a year. That ranks #2 of 208 North Dakota places by number of reports.

When is hail season in Grand Forks?

Most reports come in August, July, June. August alone accounts for 34% of all reports.

What is the largest hail recorded in Grand Forks?

2.75 in (baseball size) on June 12, 1984. 4% of reports here were 2 inches or larger.

When did it last hail in Grand Forks?

The most recent report in this data is from July 7, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

3 separate days with hail reports since November 3, 2021, adding up to 4 reports. The most recent was July 7, 2025.

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.