Hail History

Hail history for Ada County, Idaho

Every NOAA hail report filed in Ada County since 1967, with preliminary National Weather Service reports to November 3, 2026.

Readout · Ada County

Last hail
Apr 3, 2024
1.00 in, quarter size
Hail days, last 5 years
2
since Nov 3, 2021 · 5 reports
Largest ever
1.50 in
ping pong ball · May 26, 2015

41 reports on 33 days since 1967 · #9 of 45 Idaho counties

Hail map · Ada County

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

For homeowners

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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 Ada County is from April 3, 2024. A local roofer can check and document it at no cost.

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What the record says about Ada County

The latest hail report in Ada County is from April 3, 2024, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.25 in on June 5, 2022.

Over the 20 years 2006–2025, Ada County logged 13 reports on 9 hail days, about 0.7 reports a year. That is 30% more than the median Idaho county (0.5 a year) and ranks #9 of 45 Idaho counties for all-time reports. Ada County holds 4% 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 1.50 in (ping pong ball) on May 26, 2015 near 0.85 NE Star.

Reports held about level in 2016–2025 (6) compared with 2006–2015 (7). The busiest year was 1995, with 8 reports on 6 days. Hail here peaks in April (22% of reports); 59% fall between April and June.

Reports a year 2006–2025 average

  • Ada County 0.7
  • Median Idaho county 0.5

Hail days 2006–2025

  • Ada County 9
  • Median Idaho county 8

Share 2 in or larger of sized reports

  • Ada County 0%
  • Median Idaho county 0%

Hail over time

02468 1967: 1 reports, largest 1.00 in 1970 1975: 1 reports, largest 0.75 in 1976: 1 reports, largest 0.75 in 1980 1982: 3 reports, largest 0.75 in 1984: 1 reports, largest 1.25 in 1985: 1 reports, largest 0.75 in 1986: 1 reports, largest 1.00 in 1990 1991: 1 reports, largest 0.75 in 1993: 1 reports, largest 1.00 in 1995: 8 reports, largest 1.50 in 1996: 1 reports, largest 1.00 in 1997: 1 reports, largest 1.00 in 1998: 2 reports, largest 0.88 in 2000: 1 reports, largest 1.00 in 2000 2003: 1 reports, largest 0.75 in 2004: 2 reports, largest 1.00 in 2005: 1 reports, largest 0.88 in 2006: 2 reports, largest 1.25 in 2008: 1 reports, largest 1.00 in 2009: 1 reports, largest 1.50 in 2010 2012: 1 reports, largest 1.25 in 2013: 1 reports, largest 1.50 in 2015: 1 reports, largest 1.50 in 2016: 1 reports, largest 1.00 in 2020 2022: 2 reports, largest 1.25 in 2024: 3 reports, largest 1.00 in
Reports per year, 1967–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0369 Jan Feb March: 3 reports (7%) Mar April: 9 reports (22%) Apr May: 7 reports (17%) May June: 8 reports (20%) Jun July: 7 reports (17%) Jul August: 6 reports (15%) Aug September: 1 reports (2%) Sep Oct Nov Dec
All 41 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 3 3
2023 0
2022 2 2
2021 0
2020 0
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 3, 2024 3 1.00 in —
Jun 5, 2022 2 1.25 in —

Largest hail on record

Largest hail reports in Ada County
Date Size Location Damage Time · source
May 26, 2015 1.50 inping pong ball 0.85 NE Star — 20:56 local · NCEI
Sep 5, 2013 1.50 inping pong ball 5 SW Meridian — 14:30 local · NCEI
Aug 6, 2009 1.50 inping pong ball 5 SSE Boise — 06:35 local · NCEI
Jul 9, 1995 1.50 inping pong ball Black Creek $5K1 injured 15:50 local · NCEI
Jun 16, 1995 1.50 inping pong ball — — 16:30 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 Ada County
Date Size Location Time · source
Apr 3, 2024 1.00 inquarter 1 E Bradley Arpt 16:37 local · NCEI
Apr 3, 2024 1.00 inquarter 1.5 E Boise Strawberry Gle 16:29 local · NCEI
Apr 3, 2024 0.75 inpenny 2.81 S Sonna 16:10 local · NCEI
Jun 5, 2022 1.25 inhalf dollar 8.37 SSW Kuna 16:30 local · NCEI
Jun 5, 2022 1.00 inquarter 4.72 WSW Owyhee 15:40 local · NCEI
Mar 21, 2016 1.00 inquarter Star 13:00 local · NCEI
May 26, 2015 1.50 inping pong ball 0.85 NE Star 20:56 local · NCEI
Sep 5, 2013 1.50 inping pong ball 5 SW Meridian 14:30 local · NCEI
Apr 24, 2012 1.25 inhalf dollar 2 W Eagle 14:30 local · NCEI
Aug 6, 2009 1.50 inping pong ball 5 SSE Boise 06:35 local · NCEI
May 20, 2008 1.00 inquarter 2 NE Boise 15:30 local · NCEI
Jun 13, 2006 1.00 inquarter Boise 15:35 local · NCEI

Cities and towns in Ada County

PlaceReportsLargest
Boise City181.50 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
Meridian33Apr 3, 2024
Star22Mar 21, 2016
Eagle11Apr 24, 2012
Hidden Springs11May 14, 1996

Questions about hail in Ada County

How often does it hail in Ada County, Idaho?

41 hail reports have been logged in Ada County since 1967. Over the 20 years 2006–2025 that averages 0.7 reports a year. That ranks #9 of 45 Idaho counties by number of reports.

When is hail season in Ada County?

Most reports come in April, June, May. April alone accounts for 22% of all reports.

What is the largest hail recorded in Ada County?

1.50 in (ping pong ball size) on May 26, 2015 near 0.85 NE Star. 0% of reports here were 2 inches or larger.

When did it last hail in Ada County?

The most recent report in this data is from April 3, 2024 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

2 separate days with hail reports since November 3, 2021, adding up to 5 reports. The most recent was April 3, 2024.

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.