Hail History

Hail history for Williston, North Dakota

NOAA hail reports in and within about 5 km (3 miles) of Williston since 1957, with preliminary reports to November 3, 2026.

Readout · Williston

Last hail
Sep 2, 2026
1.00 in, quarter size · preliminary
Hail days, last 5 years
6
since Nov 3, 2021 · 11 reports
Largest ever
3.00 in
teacup · Jul 18, 2022

56 reports on 38 days since 1957 · #6 of 208 North Dakota places

Hail map · Williston

Williston Epping Ray Tioga 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
56 most recent reports with a location; Williams County is shaded. Open street map

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What the record says about Williston

The latest hail report in and around Williston is from September 2, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 6 separate hail days; the biggest stones in that time were 3.00 in on July 18, 2022.

Over the 20 years 2006–2025, Williston logged 42 reports on 25 hail days, about 2.1 reports a year. That is 5.3 times the median North Dakota town on this site (0.4 a year) and ranks #6 of 208 North Dakota cities and towns on this site for all-time reports. Williston accounts for 24% of the 232 reports filed in Williams 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 3.00 in (teacup) on July 18, 2022 near 1.46 NNE Williston.

Reports held about level in 2016–2025 (21) compared with 2006–2015 (21). The busiest year was 2012, with 7 reports on 3 days. Hail here peaks in July (41% of reports); 41% fall between April and June.

Reports a year 2006–2025 average

  • Williston 2.1
  • Williams County 8.1
  • Median North Dakota town on this site 0.4

Hail days 2006–2025

  • Williston 25
  • Williams County 68
  • Median North Dakota town on this site 7

Share 2 in or larger of sized reports

  • Williston 4%
  • Williams County 5%
  • Median North Dakota town on this site 8%

Hail over time

02468 1957: 1 reports, largest 1.00 in 1960 1970 1972: 1 reports, largest 1.75 in 1975: 1 reports, largest 1.00 in 1980 1986: 1 reports, largest 1.75 in 1990 1991: 1 reports, largest 1.00 in 1996: 2 reports, largest 1.00 in 1999: 2 reports, largest 1.00 in 2000 2001: 1 reports, largest 0.88 in 2003: 1 reports, largest 0.75 in 2005: 1 reports, largest 1.00 in 2007: 1 reports, largest 0.75 in 2008: 1 reports, largest 0.88 in 2009: 2 reports, largest 1.00 in 2010: 5 reports, largest 1.75 in 2010 2011: 1 reports, largest 1.00 in 2012: 7 reports, largest 1.75 in 2013: 3 reports, largest 0.75 in 2014: 1 reports, largest 1.75 in 2016: 3 reports, largest 1.00 in 2018: 3 reports, largest 1.75 in 2020: 1 reports, largest 0.75 in 2020 2021: 5 reports, largest 2.50 in 2022: 4 reports, largest 3.00 in 2025: 5 reports, largest 1.50 in 2026: 2 reports, largest 1.75 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.
0102030 Jan Feb Mar Apr May: 3 reports (5%) May June: 20 reports (36%) Jun July: 23 reports (41%) Jul August: 6 reports (11%) Aug September: 4 reports (7%) Sep Oct Nov Dec
All 56 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 11 2
2025 14 5
2024 0
2023 0
2022 13 4
2021 5 5
2020 1 1
2019 0
2018 3 3
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Sep 2, 2026 1 1.00 in View
Jun 7, 2026 1 1.75 in —
Jul 25, 2025 4 1.50 in —
Jun 18, 2025 1 1.00 in —
Jul 18, 2022 3 3.00 in —
Jun 9, 2022 1 0.88 in —

Largest hail on record

Largest hail reports in Williston
Date Size Location County Damage Time · source
Jul 18, 2022 3.00 inteacup 1.46 NNE Williston Williams $500K 22:37 local · NCEI
Jun 10, 2021 2.50 intennis ball 2.53 WSW Williston Williams $1.0 million 20:36 local · NCEI
Jun 7, 2026 1.75 ingolf ball 0.46 W Williston Williams — 19:04 local · NCEI
Jun 10, 2021 1.75 ingolf ball 2.91 NNE (Isn)sloulin Fld Wil Williams — 20:10 local · NCEI
Jul 9, 2018 1.75 ingolf ball 0.69 N Williston Williams — 22:26 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Williston
Date Size Location County Damage Time · source
Sep 2, 2026 1.00 inquarter Williston Williams — 08:40 UTC · NWS prelim.
Jun 7, 2026 1.75 ingolf ball 0.46 W Williston Williams — 19:04 local · NCEI
Jul 25, 2025 1.00 inquarter 0.46 W Williston Williams — 18:11 local · NCEI
Jul 25, 2025 0.75 inpenny 1.97 WSW (Isn)sloulin Fld Wil Williams — 18:00 local · NCEI
Jul 25, 2025 1.50 inping pong ball 0.83 SSW (Isn)sloulin Fld Wil Williams — 17:44 local · NCEI
Jul 25, 2025 0.75 inpenny 0.83 SSW (Isn)sloulin Fld Wil Williams — 17:41 local · NCEI
Jun 18, 2025 1.00 inquarter 1.66 NNE Williston Williams — 17:00 local · NCEI
Jul 18, 2022 3.00 inteacup 1.46 NNE Williston Williams $500K 22:37 local · NCEI
Jul 18, 2022 1.50 inping pong ball 0.46 W Williston Williams — 22:35 local · NCEI
Jul 18, 2022 1.00 inquarter 1.97 WSW (Isn)sloulin Fld Wil Williams — 22:35 local · NCEI
Jun 9, 2022 0.88 innickel 0.83 NNW Williston Williams — 18:30 local · NCEI
Jun 10, 2021 1.50 inping pong ball 0.46 W Williston Williams — 22:27 local · NCEI

Hail history near Williston

Questions about hail in Williston

How often does it hail in Williston, North Dakota?

56 hail reports have been logged in and within about 5 km (3 miles) of Williston since 1957. Over the 20 years 2006–2025 that averages 2.1 reports a year. That ranks #6 of 208 North Dakota places by number of reports.

When is hail season in Williston?

Most reports come in July, June, August. July alone accounts for 41% of all reports.

What is the largest hail recorded in Williston?

3.00 in (teacup size) on July 18, 2022 near 1.46 NNE Williston. 4% of reports here were 2 inches or larger.

When did it last hail in Williston?

The most recent report in this data is from September 2, 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 Williston had in the last five years?

6 separate days with hail reports since November 3, 2021, adding up to 11 reports. The most recent was September 2, 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.