Hail History

Hail history for Traill County, North Dakota

Every NOAA hail report filed in Traill County since 1957, with preliminary National Weather Service reports to November 3, 2026.

Readout · Traill County

Last hail
Jun 24, 2023
1.00 in, quarter size
Hail days, last 5 years
3
since Nov 3, 2021 · 4 reports
Largest ever
2.75 in
baseball · Jul 21, 1987

150 reports on 88 days since 1957 · #34 of 54 North Dakota counties

Hail map · Traill County

Mayville Hatton Hillsboro Reynolds Buxton 25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
150 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 Traill County

The latest hail report in Traill County is from June 24, 2023, 1.00 in (quarter size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 2.00 in on July 15, 2022.

Over the 20 years 2006–2025, Traill County logged 82 reports on 43 hail days, about 4.1 reports a year. That is about the same as the median North Dakota county (4.5 a year) and ranks #34 of 54 North Dakota counties for all-time reports. Traill County holds 1% of all 10,117 hail reports in North Dakota.

5% 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 2.75 in (baseball) on July 21, 1987.

Reports held about level in 2016–2025 (40) compared with 2006–2015 (42). The busiest year was 2017, with 12 reports on 4 days. Hail here peaks in July (34% of reports); 39% fall between April and June.

Reports a year 2006–2025 average

  • Traill County 4.1
  • Median North Dakota county 4.5

Hail days 2006–2025

  • Traill County 43
  • Median North Dakota county 48.5

Share 2 in or larger of sized reports

  • Traill County 5%
  • Median North Dakota county 9%

Hail over time

051015 1957: 1 reports, largest 1.75 in 1960 1969: 1 reports, largest 1.00 in 1970 1973: 1 reports, largest 1.75 in 1977: 1 reports, largest 1.50 in 1978: 1 reports, largest 1.00 in 1980: 1 reports, largest 2.50 in 1980 1985: 2 reports, largest 1.75 in 1987: 3 reports, largest 2.75 in 1988: 1 reports, largest 1.75 in 1990: 2 reports, largest 1.75 in 1990 1991: 1 reports, largest 0.75 in 1992: 3 reports, largest 1.75 in 1997: 3 reports, largest 1.00 in 1998: 1 reports, largest 0.75 in 1999: 2 reports, largest 1.75 in 2000: 3 reports, largest 0.88 in 2000 2001: 10 reports, largest 1.00 in 2002: 8 reports, largest 1.50 in 2003: 4 reports, largest 1.75 in 2004: 10 reports, largest 2.00 in 2005: 9 reports, largest 1.00 in 2006: 5 reports, largest 1.25 in 2007: 10 reports, largest 2.00 in 2008: 2 reports, largest 0.88 in 2009: 2 reports, largest 1.00 in 2010: 1 reports, largest 1.00 in 2010 2011: 3 reports, largest 1.75 in 2012: 4 reports, largest 1.25 in 2013: 6 reports, largest 1.75 in 2014: 8 reports, largest 1.75 in 2015: 1 reports, largest 1.00 in 2016: 9 reports, largest 1.75 in 2017: 12 reports, largest 2.00 in 2018: 2 reports, largest 1.75 in 2019: 6 reports, largest 1.50 in 2020: 1 reports, largest 1.00 in 2020 2021: 6 reports, largest 1.00 in 2022: 2 reports, largest 2.00 in 2023: 2 reports, largest 1.00 in
Reports per year, 1957–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0204060 Jan Feb Mar April: 1 reports (1%) Apr May: 9 reports (6%) May June: 48 reports (32%) Jun July: 51 reports (34%) Jul August: 34 reports (23%) Aug September: 7 reports (5%) Sep Oct Nov Dec
All 150 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 2 2
2022 11 2
2021 51 6
2020 1 1
2019 3111 6
2018 2 2
2017 210 12

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jun 24, 2023 2 1.00 in —
Jul 15, 2022 1 2.00 in —
Apr 23, 2022 1 1.00 in —

Largest hail on record

Largest hail reports in Traill County
Date Size Location Time · source
Jul 21, 1987 2.75 inbaseball — 16:30 local · NCEI
Jul 21, 1987 2.50 intennis ball — 18:30 local · NCEI
Aug 29, 1980 2.50 intennis ball — 05:30 local · NCEI
Jul 15, 2022 2.00 inhen egg 3.75 E Greenfield 00:18 local · NCEI
Jul 4, 2017 2.00 inhen egg 5.12 E Buxton 21:00 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 Traill County
Date Size Location Time · source
Jun 24, 2023 1.00 inquarter 2.07 N Portland 17:25 local · NCEI
Jun 24, 2023 1.00 inquarter 0.47 W Mayville 17:18 local · NCEI
Jul 15, 2022 2.00 inhen egg 3.75 E Greenfield 00:18 local · NCEI
Apr 23, 2022 1.00 inquarter 4 E Hillsboro 15:15 local · NCEI
Jul 19, 2021 1.00 inquarter 6.06 E Buxton 12:38 local · NCEI
Jun 7, 2021 1.00 inquarter 0.83 SE Hatton 16:49 local · NCEI
Jun 7, 2021 0.75 inpenny Buxton 16:38 local · NCEI
Jun 7, 2021 1.00 inquarter 0.83 SW Reynolds 16:32 local · NCEI
Jun 7, 2021 1.00 inquarter 0.83 SE Hatton 16:25 local · NCEI
Jun 7, 2021 1.00 inquarter 0.83 SE Hatton 16:16 local · NCEI
Aug 9, 2020 1.00 inquarter 5.37 SSW Caledonia 13:56 local · NCEI
Sep 21, 2019 1.00 inquarter 3.79 E Hatton 15:10 local · NCEI

Cities and towns in Traill County

PlaceReportsLargest
Mayville181.75 in
Hatton151.75 in
Hillsboro152.00 in
Reynolds131.75 in
Buxton101.50 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
Clifford98Jul 12, 2019
Galesburg96Jun 21, 2014
Blanchard65Jun 11, 2019
Portland44Jun 24, 2023
Caledonia33Jul 11, 2017

Questions about hail in Traill County

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

150 hail reports have been logged in Traill County since 1957. Over the 20 years 2006–2025 that averages 4.1 reports a year. That ranks #34 of 54 North Dakota counties by number of reports.

When is hail season in Traill County?

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

What is the largest hail recorded in Traill County?

2.75 in (baseball size) on July 21, 1987. 5% of reports here were 2 inches or larger.

When did it last hail in Traill County?

The most recent report in this data is from June 24, 2023 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Traill County 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 June 24, 2023.

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.