Hail History

Hail history for Canyon County, Idaho

Every NOAA hail report filed in Canyon County since 1956, with preliminary National Weather Service reports to November 3, 2026.

Readout · Canyon County

Last hail
Aug 11, 2022
1.50 in, ping pong ball size
Hail days, last 5 years
2
since Nov 3, 2021 · 3 reports
Largest ever
2.00 in
hen egg · May 25, 2018

27 reports on 23 days since 1956 · #16 of 45 Idaho counties

Hail map · Canyon County

10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
24 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 Canyon County is from August 11, 2022. 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 Canyon County

The latest hail report in Canyon County is from August 11, 2022, 1.50 in (ping pong ball size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.50 in on August 11, 2022.

Over the 20 years 2006–2025, Canyon County logged 12 reports on 10 hail days, about 0.6 reports a year. That is 20% more than the median Idaho county (0.5 a year) and ranks #16 of 45 Idaho counties for all-time reports. Canyon County holds 2% of all 1,140 hail reports in Idaho.

4% 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 2.00 in (hen egg) on May 25, 2018 near 2.5 W Moss.

Reports were down 50% in 2016–2025 (4) compared with 2006–2015 (8). The busiest year was 2007, with 4 reports on 3 days. Hail here peaks in April (26% of reports); 63% fall between April and June.

Reports a year 2006–2025 average

  • Canyon County 0.6
  • Median Idaho county 0.5

Hail days 2006–2025

  • Canyon County 10
  • Median Idaho county 8

Share 2 in or larger of sized reports

  • Canyon County 4%
  • Median Idaho county 0%

Hail over time

01234 1956: 1 reports, largest 1.50 in 1960 1964: 1 reports, largest 1.00 in 1965: 1 reports, largest 1.25 in 1966: 1 reports, largest 0.75 in 1970 1980 1982: 2 reports, largest 0.75 in 1984: 1 reports, largest 1.75 in 1987: 1 reports, largest 1.50 in 1990 1995: 3 reports, largest 1.00 in 1996: 1 reports, largest 0.88 in 1997: 1 reports, largest 0.75 in 1998: 1 reports, largest 1.75 in 2000 2003: 1 reports, largest 0.75 in 2006: 2 reports, largest 1.25 in 2007: 4 reports, largest 1.00 in 2009: 1 reports, largest 0.75 in 2010 2012: 1 reports, largest 1.00 in 2018: 1 reports, largest 2.00 in 2020 2022: 3 reports, largest 1.50 in
Reports per year, 1956–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
02468 Jan Feb Mar April: 7 reports (26%) Apr May: 5 reports (19%) May June: 5 reports (19%) Jun July: 4 reports (15%) Jul August: 5 reports (19%) Aug September: 1 reports (4%) Sep Oct Nov Dec
All 27 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 0
2022 12 3
2021 0
2020 0
2019 0
2018 1 1
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Aug 11, 2022 2 1.50 in —
Jun 5, 2022 1 1.25 in —

Largest hail on record

Largest hail reports in Canyon County
Date Size Location Damage Time · source
May 25, 2018 2.00 inhen egg 2.5 W Moss — 18:30 local · NCEI
Apr 23, 1998 1.75 ingolf ball 6 N Melba — 15:15 local · NCEI
Jun 20, 1984 1.75 ingolf ball — — 16:00 local · NCEI
Aug 11, 2022 1.50 inping pong ball 2.59 ENE Parma Arpt — 16:25 local · NCEI
Jun 15, 1987 1.50 inping pong ball — —5 injured 15:00 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 Canyon County
Date Size Location Time · source
Aug 11, 2022 1.50 inping pong ball 2.59 ENE Parma Arpt 16:25 local · NCEI
Aug 11, 2022 1.00 inquarter 1.65 ENE Parma Arpt 15:24 local · NCEI
Jun 5, 2022 1.25 inhalf dollar 0.69 S Melba 15:21 local · NCEI
May 25, 2018 2.00 inhen egg 2.5 W Moss 18:30 local · NCEI
Apr 24, 2012 1.00 inquarter 6 N Caldwell 14:20 local · NCEI
Aug 29, 2009 0.75 inpenny 0.5 E Nampa 20:15 local · NCEI
Sep 4, 2007 0.75 inpenny 0.85 NE Caldwell Hubler Arpt 16:55 local · NCEI
Jul 13, 2007 0.88 innickel 0.5 E Nampa 16:20 local · NCEI
Jul 13, 2007 1.00 inquarter 2.04 NW Nampa 16:10 local · NCEI
Apr 17, 2007 0.88 innickel 2.13 SSE Nampa 15:30 local · NCEI
Jun 13, 2006 1.00 inquarter 5 SW Middleton 15:30 local · NCEI
May 19, 2006 1.25 inhalf dollar Huston 15:40 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
Caldwell76May 25, 2018
Nampa76Aug 29, 2009
Parma54Aug 11, 2022
Melba21Jun 5, 2022
Middleton11Sep 4, 2007

Questions about hail in Canyon County

How often does it hail in Canyon County, Idaho?

27 hail reports have been logged in Canyon County since 1956. Over the 20 years 2006–2025 that averages 0.6 reports a year. That ranks #16 of 45 Idaho counties by number of reports.

When is hail season in Canyon County?

Most reports come in April, May, June. April alone accounts for 26% of all reports.

What is the largest hail recorded in Canyon County?

2.00 in (hen egg size) on May 25, 2018 near 2.5 W Moss. 4% of reports here were 2 inches or larger.

When did it last hail in Canyon County?

The most recent report in this data is from August 11, 2022 (1.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

2 separate days with hail reports since November 3, 2021, adding up to 3 reports. The most recent was August 11, 2022.

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.