Hail History

Hail history for St. Thomas, North Dakota

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

Readout · St. Thomas

Last hail
Jun 9, 2021
1.00 in, quarter size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
2.00 in
hen egg · Aug 26, 1998

20 reports on 19 days since 1973 · #80 of 208 North Dakota places

Hail map · St. Thomas

St. Thomas Hoople Drayton Cavalier Mountain 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
20 most recent reports with a location; Pembina County is shaded. Open street map

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What the record says about St. Thomas

The latest hail report in and around St. Thomas is from June 9, 2021, 1.00 in (quarter size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, St. Thomas logged 7 reports on 7 hail days, about 0.3 reports a year. That is 13% less than the median North Dakota town on this site (0.4 a year) and ranks #80 of 208 North Dakota cities and towns on this site for all-time reports. St. Thomas accounts for 8% of the 236 reports filed in Pembina County.

5% 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 2.00 in (hen egg) on August 26, 1998 near St Thomas.

The busiest year was 2002, with 4 reports on 3 days. Hail here peaks in June (35% of reports); 50% fall between April and June.

Reports a year 2006–2025 average

  • St. Thomas 0.3
  • Pembina County 5.0
  • Median North Dakota town on this site 0.4

Hail days 2006–2025

  • St. Thomas 7
  • Pembina County 52
  • Median North Dakota town on this site 7

Share 2 in or larger of sized reports

  • St. Thomas 5%
  • Pembina County 11%
  • Median North Dakota town on this site 8%

Hail over time

01234 1973: 1 reports, largest 1.75 in 1978: 1 reports, largest 1.75 in 1980 1984: 1 reports, largest 1.75 in 1990 1996: 1 reports, largest 1.00 in 1998: 1 reports, largest 2.00 in 2000: 1 reports, largest 1.00 in 2000 2001: 2 reports, largest 1.00 in 2002: 4 reports, largest 1.00 in 2003: 1 reports, largest 0.75 in 2010 2014: 1 reports, largest 1.50 in 2015: 1 reports, largest 1.00 in 2017: 1 reports, largest 1.50 in 2020: 2 reports, largest 1.25 in 2020 2021: 2 reports, largest 1.00 in
Reports per year, 1973–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
02468 Jan Feb Mar Apr May: 3 reports (15%) May June: 7 reports (35%) Jun July: 6 reports (30%) Jul August: 4 reports (20%) Aug Sep Oct Nov Dec
All 20 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 2 2
2020 2 2
2019 0
2018 0
2017 1 1

Largest hail on record

Largest hail reports in St. Thomas
Date Size Location County Time · source
Aug 26, 1998 2.00 inhen egg St Thomas Pembina 18:55 local · NCEI
Jul 13, 1984 1.75 ingolf ball — Pembina 23:40 local · NCEI
Jul 24, 1978 1.75 ingolf ball — Pierce 19:20 local · NCEI
Jul 29, 1973 1.75 ingolf ball — Pembina 12:30 local · NCEI
Jun 9, 2017 1.50 inping pong ball 0.69 S St Thomas Pembina 18:50 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 St. Thomas
Date Size Location County Time · source
Jun 9, 2021 1.00 inquarter St Thomas Pembina 11:45 local · NCEI
Jun 5, 2021 1.00 inquarter St Thomas Pembina 23:00 local · NCEI
Jun 11, 2020 1.25 inhalf dollar 2.76 N St Thomas Pembina 14:57 local · NCEI
Jun 7, 2020 0.88 innickel St Thomas Pembina 18:30 local · NCEI
Jun 9, 2017 1.50 inping pong ball 0.69 S St Thomas Pembina 18:50 local · NCEI
Jun 7, 2015 1.00 inquarter 3.07 WSW St Thomas Pembina 19:35 local · NCEI
Jul 4, 2014 1.50 inping pong ball 2.76 N St Thomas Arpt Pembina 11:05 local · NCEI
Jun 28, 2003 0.75 inpenny 3 SE St Thomas Pembina 15:23 local · NCEI
Aug 27, 2002 0.75 inpenny 4 S St Thomas Pembina 19:24 local · NCEI
May 22, 2002 0.88 innickel St Thomas Pembina 19:20 local · NCEI
May 12, 2002 1.00 inquarter 3 S St Thomas Pembina 16:25 local · NCEI
May 12, 2002 0.75 inpenny St Thomas Pembina 16:15 local · NCEI

Hail history near St. Thomas

Questions about hail in St. Thomas

How often does it hail in St. Thomas, North Dakota?

20 hail reports have been logged in and within about 5 km (3 miles) of St. Thomas since 1973. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #80 of 208 North Dakota places by number of reports.

When is hail season in St. Thomas?

Most reports come in June, July, August. June alone accounts for 35% of all reports.

What is the largest hail recorded in St. Thomas?

2.00 in (hen egg size) on August 26, 1998 near St Thomas. 5% of reports here were 2 inches or larger.

When did it last hail in St. Thomas?

The most recent report in this data is from June 9, 2021 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has St. Thomas had in the last five years?

None: there has been no hail report in and within about 5 km (3 miles) of St. Thomas since November 3, 2021. The last one was on June 9, 2021.

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.