Hail History

Hail history for Washington County, Missouri

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

Readout · Washington County

Last hail
Apr 27, 2026
4.00 in, grapefruit size
Hail days, last 5 years
7
since Nov 3, 2021 · 13 reports
Largest ever
4.00 in
grapefruit · Apr 27, 2026

174 reports on 100 days since 1957 · #41 of 116 Missouri counties

Hail map · Washington County

Potosi 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
168 most recent reports with a location. Dot size and colour follow hail size. Open street map

For homeowners

Roof damage after hail? Get a free inspection

Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Washington County is from April 27, 2026. A local roofer can check and document it at no cost.

Phone line opening soon

What would a claim cost you? Try the hail claim calculator

Preview: this form is not connected yet. Nothing you enter is sent or stored.

Roofer? Get hail alerts for your area with StormScope

What the record says about Washington County

The latest hail report in Washington County is from April 27, 2026, 4.00 in (grapefruit size). Since November 3, 2021 there have been 7 separate hail days; the biggest stones in that time were 4.00 in on April 27, 2026.

Over the 20 years 2006–2025, Washington County logged 108 reports on 57 hail days, about 5.4 reports a year. That is 52% more than the median Missouri county (3.5 a year) and ranks #41 of 116 Missouri counties for all-time reports. Washington County holds 1% of all 20,478 hail reports in Missouri.

6% of reports with a size were 2 inches (hen egg) or larger, against 6% for the median Missouri county. The largest hail on record here is 4.00 in (grapefruit) on April 27, 2026 near 5.55 NNE Pea Ridge.

Reports were down 74% in 2016–2025 (22) compared with 2006–2015 (86). The busiest year was 2006, with 28 reports on 10 days. Hail here peaks in May (27% of reports); 65% fall between April and June.

Reports a year 2006–2025 average

  • Washington County 5.4
  • Median Missouri county 3.5

Hail days 2006–2025

  • Washington County 57
  • Median Missouri county 42

Share 2 in or larger of sized reports

  • Washington County 6%
  • Median Missouri county 6%

Hail over time

0102030 1957: 1 reports, largest 1.50 in 1960 1970 1974: 1 reports, largest 1.75 in 1975: 1 reports, largest 1.00 in 1976: 2 reports, largest 2.25 in 1978: 1 reports, largest 1.00 in 1980: 1 reports, largest 0.75 in 1980 1981: 1 reports, largest 1.75 in 1985: 1 reports, largest 1.00 in 1988: 1 reports, largest 1.75 in 1990 1991: 1 reports, largest 1.00 in 1993: 1 reports, largest 1.00 in 1994: 1 reports, largest 0.75 in 1995: 4 reports, largest 1.75 in 1996: 3 reports, largest 1.00 in 1997: 5 reports, largest 1.75 in 1998: 4 reports, largest 1.75 in 1999: 4 reports, largest 1.00 in 2000: 1 reports, largest 0.75 in 2000 2001: 3 reports, largest 1.00 in 2002: 2 reports, largest 1.75 in 2003: 2 reports, largest 1.75 in 2004: 11 reports, largest 1.75 in 2005: 9 reports, largest 1.00 in 2006: 28 reports, largest 2.50 in 2007: 5 reports, largest 1.25 in 2008: 13 reports, largest 1.25 in 2009: 9 reports, largest 2.75 in 2010 2011: 19 reports, largest 2.00 in 2012: 5 reports, largest 1.25 in 2014: 2 reports, largest 1.25 in 2015: 5 reports, largest 2.75 in 2016: 3 reports, largest 1.25 in 2017: 3 reports, largest 1.75 in 2018: 2 reports, largest 2.50 in 2019: 4 reports, largest 1.75 in 2020: 1 reports, largest 1.00 in 2020 2021: 1 reports, largest 0.88 in 2022: 1 reports, largest 1.75 in 2024: 4 reports, largest 1.75 in 2025: 3 reports, largest 1.00 in 2026: 5 reports, largest 4.00 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 February: 8 reports (5%) Feb March: 24 reports (14%) Mar April: 45 reports (26%) Apr May: 47 reports (27%) May June: 21 reports (12%) Jun July: 6 reports (3%) Jul August: 8 reports (5%) Aug September: 8 reports (5%) Sep October: 6 reports (3%) Oct November: 1 reports (1%) Nov Dec
All 174 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 5 5
2025 3 3
2024 13 4
2023 0
2022 1 1
2021 1 1
2020 1 1
2019 22 4
2018 11 2
2017 3 3

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 27, 2026 5 4.00 in —
Mar 30, 2025 2 1.00 in —
Mar 14, 2025 1 1.00 in —
May 20, 2024 1 1.00 in —
May 8, 2024 2 1.75 in —
Apr 18, 2024 1 1.00 in —
May 14, 2022 1 1.75 in —

Largest hail on record

Largest hail reports in Washington County
Date Size Location Time · source
Apr 27, 2026 4.00 ingrapefruit 5.55 NNE Pea Ridge 17:35 local · NCEI
Apr 2, 2015 2.75 inbaseball 0.51 SSE Shirley 18:15 local · NCEI
May 8, 2009 2.75 inbaseball 0.79 NNW Springtown 08:34 local · NCEI
May 31, 2018 2.50 intennis ball 1.47 SSE Hunters Mill 18:31 local · NCEI
Mar 12, 2006 2.50 intennis ball Old Mines 00:30 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Washington County
Date Size Location Time · source
Apr 27, 2026 4.00 ingrapefruit 5.55 NNE Pea Ridge 17:35 local · NCEI
Apr 27, 2026 1.75 ingolf ball 0.55 E Caledonia 02:33 local · NCEI
Apr 27, 2026 1.25 inhalf dollar 0.88 NE Irondale 02:08 local · NCEI
Apr 27, 2026 2.00 inhen egg 0.88 NE Irondale 02:07 local · NCEI
Apr 27, 2026 1.75 ingolf ball 0.88 SE Caledonia 01:57 local · NCEI
Mar 30, 2025 1.00 inquarter 0.88 SE Caledonia 13:55 local · NCEI
Mar 30, 2025 1.00 inquarter 0.88 SE Potosi 13:04 local · NCEI
Mar 14, 2025 1.00 inquarter 2.14 NNE Richwoods 20:33 local · NCEI
May 20, 2024 1.00 inquarter 3.87 WSW Springtown 14:33 local · NCEI
May 8, 2024 1.75 ingolf ball 2.34 NNW Palmer 16:20 local · NCEI
May 8, 2024 1.75 ingolf ball 0.88 NE Irondale 12:40 local · NCEI
Apr 18, 2024 1.00 inquarter 0.88 SE Caledonia 17:45 local · NCEI

Cities and towns in Washington County

PlaceReportsLargest
Potosi542.75 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
Caledonia98Apr 27, 2026
Irondale54Apr 27, 2026
Mineral Point44Apr 23, 2006

Questions about hail in Washington County

How often does it hail in Washington County, Missouri?

174 hail reports have been logged in Washington County since 1957. Over the 20 years 2006–2025 that averages 5.4 reports a year. That ranks #41 of 116 Missouri counties by number of reports.

When is hail season in Washington County?

Most reports come in May, April, March. May alone accounts for 27% of all reports.

What is the largest hail recorded in Washington County?

4.00 in (grapefruit size) on April 27, 2026 near 5.55 NNE Pea Ridge. 6% of reports here were 2 inches or larger.

When did it last hail in Washington County?

The most recent report in this data is from April 27, 2026 (4.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

7 separate days with hail reports since November 3, 2021, adding up to 13 reports. The most recent was April 27, 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.