Hail History

Hail history for Cass County, North Dakota

Every NOAA hail report filed in Cass County since 1959, with preliminary National Weather Service reports to November 3, 2026.

Readout · Cass County

Last hail
Aug 6, 2026
1.00 in, quarter size · preliminary
Hail days, last 5 years
14
since Nov 3, 2021 · 35 reports
Largest ever
4.50 in
softball · Jul 17, 2001

499 reports on 230 days since 1959 · #1 of 54 North Dakota counties

Hail map · Cass County

Fargo Horace Argusville Mapleton Kindred Casselton Leonard Harwood West Fargo Amenia 25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
300 most recent reports with a location. Dot size and colour follow hail size. Open street map

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What the record says about Cass County

The latest hail report in Cass County is from August 6, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 14 separate hail days; the biggest stones in that time were 4.00 in on June 29, 2026.

Over the 20 years 2006–2025, Cass County logged 225 reports on 92 hail days, about 11.3 reports a year. That is about twice the median North Dakota county (4.5 a year) and ranks #1 of 54 North Dakota counties for all-time reports. Cass County holds 5% of all 10,117 hail reports in North Dakota.

6% of reports with a size were 2 inches (hen egg) or larger, against 9% for the median North Dakota county. The largest hail on record here is 4.50 in (softball) on July 17, 2001 near 3 N Chaffee.

Reports held about level in 2016–2025 (104) compared with 2006–2015 (121). The busiest year was 2002, with 28 reports on 10 days. Hail here peaks in July (30% of reports); 35% fall between April and June.

Reports a year 2006–2025 average

  • Cass County 11.3
  • Median North Dakota county 4.5

Hail days 2006–2025

  • Cass County 92
  • Median North Dakota county 48.5

Share 2 in or larger of sized reports

  • Cass County 6%
  • Median North Dakota county 9%

Hail over time

0102030 1959: 1 reports, largest 1.75 in 1960 1961: 1 reports, largest 1.00 in 1962: 1 reports, largest 1.75 in 1964: 5 reports, largest 1.00 in 1965: 2 reports, largest 1.75 in 1968: 1 reports, largest 1.75 in 1970 1974: 8 reports, largest 1.75 in 1975: 2 reports, largest 1.50 in 1976: 3 reports, largest 1.75 in 1977: 5 reports, largest 1.25 in 1978: 7 reports, largest 4.00 in 1979: 1 reports, largest 1.75 in 1980: 5 reports, largest 2.50 in 1980 1981: 4 reports, largest 1.75 in 1982: 7 reports, largest 1.75 in 1983: 12 reports, largest 2.75 in 1984: 2 reports, largest 1.75 in 1985: 10 reports, largest 1.75 in 1986: 6 reports, largest 3.00 in 1987: 2 reports, largest 1.75 in 1988: 5 reports, largest 1.50 in 1989: 2 reports, largest 1.75 in 1990: 4 reports, largest 2.00 in 1990 1991: 6 reports, largest 2.50 in 1992: 2 reports, largest 1.50 in 1993: 3 reports, largest 1.00 in 1994: 7 reports, largest 1.75 in 1996: 4 reports, largest 0.75 in 1997: 10 reports, largest 1.75 in 1998: 9 reports, largest 1.75 in 1999: 23 reports, largest 2.75 in 2000: 13 reports, largest 1.00 in 2000 2001: 18 reports, largest 4.50 in 2002: 28 reports, largest 1.75 in 2003: 7 reports, largest 1.00 in 2004: 16 reports, largest 1.75 in 2005: 27 reports, largest 2.50 in 2006: 20 reports, largest 2.00 in 2007: 20 reports, largest 3.50 in 2008: 9 reports, largest 1.75 in 2009: 5 reports, largest 1.00 in 2010: 6 reports, largest 1.00 in 2010 2011: 12 reports, largest 1.75 in 2012: 8 reports, largest 1.50 in 2013: 14 reports, largest 1.75 in 2014: 13 reports, largest 1.50 in 2015: 14 reports, largest 2.50 in 2016: 8 reports, largest 2.00 in 2017: 14 reports, largest 1.75 in 2018: 27 reports, largest 2.50 in 2019: 9 reports, largest 1.75 in 2020: 13 reports, largest 1.75 in 2020 2021: 3 reports, largest 1.25 in 2022: 9 reports, largest 1.00 in 2023: 11 reports, largest 2.00 in 2024: 1 reports, largest 1.00 in 2025: 9 reports, largest 1.00 in 2026: 5 reports, largest 4.00 in
Reports per year, 1959–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
050100150 Jan Feb Mar April: 11 reports (2%) Apr May: 35 reports (7%) May June: 127 reports (25%) Jun July: 148 reports (30%) Jul August: 116 reports (23%) Aug September: 61 reports (12%) Sep Oct November: 1 reports (0%) Nov Dec
All 499 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 41 5
2025 9 9
2024 1 1
2023 110 11
2022 117 9
2021 3 3
2020 346 13
2019 135 9
2018 106101 27
2017 482 14

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Aug 6, 2026 1 1.00 in View
Jun 29, 2026 3 4.00 in —
Jun 19, 2026 1 1.00 in —
Jun 28, 2025 4 1.00 in —
Jun 20, 2025 1 1.00 in —
Jun 16, 2025 4 1.00 in —
May 16, 2024 1 1.00 in —
Jul 13, 2023 10 2.00 in —
Jun 7, 2023 1 1.75 in —
Jul 21, 2022 1 1.00 in —
Jul 15, 2022 1 1.00 in —
Jul 10, 2022 5 1.00 in —
Jun 24, 2022 1 1.00 in —
Apr 23, 2022 1 1.00 in —

Largest hail on record

Largest hail reports in Cass County
Date Size Location Damage Time · source
Jul 17, 2001 4.50 insoftball 3 N Chaffee $50K 17:15 local · NCEI
Jun 29, 2026 4.00 ingrapefruit 0.84 NW Wild Rice — 19:08 local · NCEI
Jul 5, 1978 4.00 ingrapefruit — — 01:15 local · NCEI
Sep 21, 2007 3.50 inteacup 2.01 WNW Fargo $30.0 million 02:10 local · NCEI
Jul 17, 2001 3.00 inteacup 3 NE Chaffee — 17:20 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 Cass County
Date Size Location Time · source
Aug 6, 2026 1.00 inquarter 2 N Leonard 01:25 UTC · NWS prelim.
Jun 29, 2026 1.75 ingolf ball 2.74 ESE Cotter 19:16 local · NCEI
Jun 29, 2026 1.25 inhalf dollar 2.76 N Wild Rice 19:10 local · NCEI
Jun 29, 2026 4.00 ingrapefruit 0.84 NW Wild Rice 19:08 local · NCEI
Jun 19, 2026 1.00 inquarter 2.28 NNW Wild Rice 12:47 local · NCEI
Jun 28, 2025 1.00 inquarter 2.47 WSW Leonard 17:47 local · NCEI
Jun 28, 2025 1.00 inquarter 2.13 NNW Argusville 16:40 local · NCEI
Jun 28, 2025 1.00 inquarter 1.38 N Arthur 16:06 local · NCEI
Jun 28, 2025 1.00 inquarter 0.84 SW Erie 15:50 local · NCEI
Jun 20, 2025 1.00 inquarter 0.69 S Chaffee 22:31 local · NCEI
Jun 16, 2025 1.00 inquarter 1.17 NW Fargo 05:25 local · NCEI
Jun 16, 2025 1.00 inquarter 1.17 NW Fargo 05:20 local · NCEI

Cities and towns in Cass County

PlaceReportsLargest
Fargo864.00 in
Horace234.00 in
Argusville221.75 in
Mapleton212.00 in
Kindred202.00 in
Casselton181.75 in
Leonard182.00 in
Harwood172.25 in
West Fargo151.75 in
Amenia122.50 in
Gardner121.75 in
Grandin121.50 in
Hunter122.50 in
Page122.00 in
Arthur112.75 in
Buffalo111.75 in
Embden111.25 in
Oxbow112.75 in
Tower City111.75 in
Wheatland111.75 in

Smaller places with fewer than 10 reports

These places have too few reports for a page of their own, so their record lives here.

PlaceReportsHail daysLatest
Davenport98Aug 26, 2018
Alice66Jul 8, 2020
Ayr65Jul 31, 2017
Briarwood22Jun 29, 2026
Brooktree Park22Aug 9, 2020
Erie22Jun 28, 2025
Reile's Acres11Jul 4, 1999

Questions about hail in Cass County

How often does it hail in Cass County, North Dakota?

499 hail reports have been logged in Cass County since 1959. Over the 20 years 2006–2025 that averages 11.3 reports a year. That ranks #1 of 54 North Dakota counties by number of reports.

When is hail season in Cass County?

Most reports come in July, June, August. July alone accounts for 30% of all reports.

What is the largest hail recorded in Cass County?

4.50 in (softball size) on July 17, 2001 near 3 N Chaffee. 6% of reports here were 2 inches or larger.

When did it last hail in Cass County?

The most recent report in this data is from August 6, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

14 separate days with hail reports since November 3, 2021, adding up to 35 reports. The most recent was August 6, 2026.

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.