Hail History

Hail history for Washington County, Idaho

Every NOAA hail report filed in Washington County since 1966, with preliminary National Weather Service reports to November 5, 2026.

Readout · Washington County

Last hail
Jun 4, 2012
1.00 in, quarter size
Hail days, last 5 years
0
since Nov 5, 2021 · 0 reports
Largest ever
1.75 in
golf ball · Jul 22, 1992

10 reports on 9 days since 1966 · #40 of 45 Idaho counties

Hail map · Washington County

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

For homeowners

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Send a request to Moxisync Labs for review. The latest hail report in Washington County is from June 4, 2012. We’re building local roofer coverage. Submitting a request does not guarantee a quote or book an inspection.

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What the record says about Washington County

The latest hail report in Washington County is from June 4, 2012, 1.00 in (quarter size). There has been no hail report here in the five years since November 5, 2021.

Over the 20 years 2006–2025, Washington County logged 1 report on 1 hail day, about 0.1 reports a year. That is 10% of the median Idaho county (0.5 a year) and ranks #40 of 45 Idaho counties for all-time reports. Washington County holds 1% of all 1,140 hail reports in Idaho.

0% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median Idaho county. The largest hail on record here is 1.75 in (golf ball) on July 22, 1992.

The busiest year was 1995, with 2 reports on 2 days. Hail here peaks in July (40% of reports); 60% fall between April and June.

Reports a year 2006–2025 average

  • Washington County 0.1
  • Median Idaho county 0.5

Hail days 2006–2025

  • Washington County 1
  • Median Idaho county 8

Share 2 in or larger of sized reports

  • Washington County 0%
  • Median Idaho county 0%

Hail over time

012 1966: 1 reports, largest 1.50 in 1967: 1 reports, largest 0.75 in 1969: 1 reports, largest 1.25 in 1970 1980 1990 1992: 2 reports, largest 1.75 in 1995: 2 reports, largest 0.75 in 2000 2003: 1 reports, largest 0.75 in 2005: 1 reports, largest 0.75 in 2010 2012: 1 reports, largest 1.00 in 2020
Reports per year, 1966–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
01234 Jan Feb Mar April: 2 reports (20%) Apr May: 2 reports (20%) May June: 2 reports (20%) Jun July: 4 reports (40%) Jul Aug Sep Oct Nov Dec
All 10 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 0
2020 0
2019 0
2018 0
2017 0

Largest hail on record

Largest hail reports in Washington County
Date Size Location Time · source
Jul 22, 1992 1.75 ingolf ball — 18:30 local · NCEI
Jun 10, 1966 1.50 inping pong ball — 13:00 local · NCEI
May 18, 1969 1.25 inhalf dollar — 15:30 local · NCEI
Jun 4, 2012 1.00 inquarter 2 SW Cambridge 18:00 local · NCEI
May 19, 2005 0.75 inpenny Midvale 18:25 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 Washington County
Date Size Location Time · source
Jun 4, 2012 1.00 inquarter 2 SW Cambridge 18:00 local · NCEI
May 19, 2005 0.75 inpenny Midvale 18:25 local · NCEI
Jul 26, 2003 0.75 inpenny Weiser 15:20 local · NCEI
Apr 30, 1995 0.75 inpenny Jackson 17:22 local · NCEI
Apr 7, 1995 0.75 inpenny Weiser 15:00 local · NCEI
Jul 22, 1992 1.75 ingolf ball — 18:30 local · NCEI
Jul 22, 1992 0.75 inpenny — 17:35 local · NCEI
May 18, 1969 1.25 inhalf dollar — 15:30 local · NCEI
Jul 3, 1967 0.75 inpenny — 09:00 local · NCEI
Jun 10, 1966 1.50 inping pong ball — 13:00 local · NCEI

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
Weiser32Jul 26, 2003
Cambridge11Jun 4, 2012
Midvale11May 19, 2005

Questions about hail in Washington County

How often does it hail in Washington County, Idaho?

10 hail reports have been logged in Washington County since 1966. Over the 20 years 2006–2025 that averages 0.1 reports a year. That ranks #40 of 45 Idaho counties by number of reports.

When is hail season in Washington County?

Most reports come in July, April, May. July alone accounts for 40% of all reports.

What is the largest hail recorded in Washington County?

1.75 in (golf ball size) on July 22, 1992. 0% 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 June 4, 2012 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 5, 2026.

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

None: there has been no hail report in Washington County since November 5, 2021. The last one was on June 4, 2012.

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.