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Hail in Ada County, Idaho
41 hail events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Hail.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
NCEI records 41 hail events in Ada County, Idaho, between 1950 and 2026, spread over 26 years.
April is the busiest month, with 9 of the recorded events. The last 20 years account for 11 events against 21 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 3.7% of the 1,113 hail events recorded in Idaho; its 3.9 per 100 square miles compares with 1.3 statewide.
0 of the hail reports with a recorded size were golf-ball size (1.75 inches) or larger; the largest recorded stone was 1.50 inches (ping-pong ball size).
Compared with Idaho
| Measure | Ada County | Idaho | US |
|---|---|---|---|
| Hail events since 1950 | 41 | 1,113 | 424,356 |
| Per 100 square miles | 3.9 | 1.3 | 12.0 |
| Per 10,000 residents | 0.8 | 5.9 | 12.8 |
| Deaths recorded | 0 | 2 | 29 |
| Busiest month | April | June | May |
By year
Seasonality
0Feb
0Mar
3Apr
9May
7Jun
8Jul
7Aug
6Sep
1Oct
0Nov
0Dec
0
Magnitude distribution
NWS hail-size descriptors
- under 1 in
- pea to quarter
- 1–1.74 in
- quarter to golf ball
- 1.75–2.74 in
- golf ball to baseball
- 2.75–3.99 in
- baseball to softball
- 4 in and larger
- softball and larger
Hail size in inches as recorded by NCEI; events without a size are not binned.
Recorded events
All 41 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 3 Apr 2024 | Hail | 0.75 in | — | — | — | — | County |
| 3 Apr 2024 | Hail | 1.00 in | — | — | — | — | County |
| 3 Apr 2024 | Hail | 1.00 in | — | — | — | — | County |
| 5 Jun 2022 | Hail | 1.00 in | — | — | — | — | County |
| 5 Jun 2022 | Hail | 1.25 in | — | — | — | — | County |
| 21 Mar 2016 | Hail | 1.00 in | — | — | — | — | County |
| 26 May 2015 | Hail | 1.50 in | — | — | — | — | County |
| 5 Sep 2013 | Hail | 1.50 in | — | — | — | — | County |
| 24 Apr 2012 | Hail | 1.25 in | — | — | — | — | County |
| 6 Aug 2009 | Hail | 1.50 in | — | — | — | — | County |
| 20 May 2008 | Hail | 1.00 in | — | — | — | — | County |
| 13 Jun 2006 | Hail | 1.00 in | — | — | — | — | County |
| 13 Jun 2006 | Hail | 1.25 in | — | — | — | — | County |
| 27 Apr 2005 | Hail | 0.88 in | — | — | — | — | County |
| 29 Jun 2004 | Hail | 0.75 in | — | — | — | — | County |
| 18 May 2004 | Hail | 1.00 in | — | — | — | — | County |
| 6 Apr 2003 | Hail | 0.75 in | — | — | — | — | County |
| 16 May 2000 | Hail | 1.00 in | — | — | — | — | County |
| 30 Jul 1998 | Hail | 0.88 in | — | — | — | — | County |
| 12 May 1998 | Hail | 0.75 in | — | — | — | — | County |
| 30 Apr 1997 | Hail | 1.00 in | — | — | — | — | County |
| 14 May 1996 | Hail | 1.00 in | — | — | — | — | County |
| 12 Jul 1995 | Hail | 0.75 in | — | — | — | — | County |
| 9 Jul 1995 | Hail | 0.75 in | — | — | — | — | County |
| 9 Jul 1995 | Hail | 1.50 in | $5K | — | — | 1 | County |
| 6 Jul 1995 | Hail | 0.75 in | — | — | — | — | County |
| 16 Jun 1995 | Hail | 1.00 in | — | — | — | — | County |
| 16 Jun 1995 | Hail | 1.50 in | — | — | — | — | County |
| 5 May 1995 | Hail | 0.75 in | — | — | — | — | County |
| 3 Mar 1995 | Hail | 0.75 in | — | — | — | — | County |
| 29 Apr 1993 | Hail | 1.00 in | — | — | — | — | County |
| 4 Mar 1991 | Hail | 0.75 in | — | — | — | — | County |
| 22 Apr 1986 | Hail | 1.00 in | — | — | — | — | County |
| 30 Jul 1985 | Hail | 0.75 in | — | — | — | — | County |
| 5 Aug 1984 | Hail | 1.25 in | — | — | — | — | County |
| 11 Aug 1982 | Hail | 0.75 in | — | — | — | — | County |
| 11 Aug 1982 | Hail | 0.75 in | — | — | — | — | County |
| 11 Aug 1982 | Hail | 0.75 in | — | — | — | — | County |
| 6 Aug 1976 | Hail | 0.75 in | — | — | — | — | County |
| 14 Jul 1975 | Hail | 0.75 in | — | — | — | — | County |
| 21 Jun 1967 | Hail | 1.00 in | — | — | — | — | County |
Questions and answers
How many hail events has Ada County had?
41 events in the NCEI Storm Events record between 1950 and 2026. Reporting of hail became far more complete after 1996, so early decades undercount.
When was the last recorded hail event in Ada County?
3 Apr 2024 (Hail, 1.00 in). Records reach NCEI about 120 days after the month ends.
What was the most damaging hail event recorded in Ada County?
The hail of 9 Jul 1995, with property damage estimated by NCEI at $5K.
How does Ada County compare with Idaho for hail?
3.9 events per 100 square miles against 1.3 statewide; the county holds 41 of the state's 1,113 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Hail hub and the county page.