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Hail in Johnson County, Iowa
229 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 229 hail events in Johnson County, Iowa, between 1950 and 2026, spread over 40 years.
April is the busiest month, with 52 of the recorded events. The last 20 years account for 157 events against 55 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.4% of the 15,950 hail events recorded in Iowa; its 37.4 per 100 square miles compares with 28.6 statewide.
48 of the hail reports with a recorded size were golf-ball size (1.75 inches) or larger; the largest recorded stone was 2.75 inches (baseball size).
Compared with Iowa
| Measure | Johnson County | Iowa | US |
|---|---|---|---|
| Hail events since 1950 | 229 | 15,950 | 424,356 |
| Per 100 square miles | 37.4 | 28.6 | 12.0 |
| Per 10,000 residents | 14.8 | 50.0 | 12.8 |
| Deaths recorded | 0 | 4 | 29 |
| Busiest month | April | June | May |
By year
Seasonality
0Feb
13Mar
19Apr
52May
52Jun
39Jul
31Aug
8Sep
4Oct
8Nov
3Dec
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
The 200 events kept for this page are the 120 most recent plus the 80 with the most damage, deaths or injuries out of 229. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 14 Apr 2026 | Hail | 1.00 in | — | — | — | — | County |
| 14 Apr 2026 | Hail | 1.50 in | — | — | — | — | County |
| 14 Apr 2026 | Hail | 1.25 in | — | — | — | — | County |
| 14 Apr 2026 | Hail | 1.25 in | — | — | — | — | County |
| 14 Apr 2026 | Hail | 1.00 in | — | — | — | — | County |
| 2 Apr 2026 | Hail | 1.75 in | — | — | — | — | County |
| 31 Mar 2026 | Hail | 0.88 in | — | — | — | — | County |
| 15 Mar 2026 | Hail | 1.50 in | — | — | — | — | County |
| 15 Mar 2026 | Hail | 0.88 in | — | — | — | — | County |
| 10 Mar 2026 | Hail | 2.50 in | — | — | — | — | County |
| 10 Mar 2026 | Hail | 1.00 in | — | — | — | — | County |
| 10 Mar 2026 | Hail | 1.25 in | — | — | — | — | County |
| 10 Mar 2026 | Hail | 0.88 in | — | — | — | — | County |
| 10 Mar 2026 | Hail | 1.25 in | — | — | — | — | County |
| 10 Mar 2026 | Hail | 1.00 in | — | — | — | — | County |
| 10 Mar 2026 | Hail | 1.00 in | — | — | — | — | County |
| 10 Mar 2026 | Hail | 2.75 in | — | — | — | — | County |
| 10 Mar 2026 | Hail | 1.00 in | — | — | — | — | County |
| 10 Mar 2026 | Hail | 1.25 in | — | — | — | — | County |
| 10 Mar 2026 | Hail | 1.00 in | — | — | — | — | County |
| 10 Mar 2026 | Hail | 1.50 in | — | — | — | — | County |
| 10 Jul 2025 | Hail | 0.88 in | — | — | — | — | County |
| 10 Jul 2025 | Hail | 1.00 in | — | — | — | — | County |
| 17 Apr 2025 | Hail | 0.75 in | — | — | — | — | County |
| 24 Oct 2024 | Hail | 0.75 in | — | — | — | — | County |
| 24 Oct 2024 | Hail | 1.00 in | — | — | — | — | County |
| 24 Oct 2024 | Hail | 0.75 in | — | — | — | — | County |
| 24 Oct 2024 | Hail | 0.88 in | — | — | — | — | County |
| 25 Jun 2024 | Hail | 1.00 in | — | — | — | — | County |
| 25 Jun 2024 | Hail | 1.75 in | — | — | — | — | County |
| 25 Jun 2024 | Hail | 1.00 in | — | — | — | — | County |
| 24 May 2024 | Hail | 1.00 in | — | — | — | — | County |
| 21 May 2024 | Hail | 1.00 in | — | — | — | — | County |
| 7 May 2024 | Hail | 0.88 in | — | — | — | — | County |
| 16 Apr 2024 | Hail | 1.00 in | — | — | — | — | County |
| 16 Apr 2024 | Hail | 1.00 in | — | — | — | — | County |
| 16 Apr 2024 | Hail | 1.00 in | — | — | — | — | County |
| 16 Apr 2024 | Hail | 0.88 in | — | — | — | — | County |
| 11 Oct 2023 | Hail | 1.50 in | — | — | — | — | County |
| 11 Oct 2023 | Hail | 1.50 in | — | — | — | — | County |
| 4 Jun 2023 | Hail | 0.88 in | — | — | — | — | County |
| 13 May 2023 | Hail | 1.00 in | — | — | — | — | County |
| 7 May 2023 | Hail | 1.00 in | — | — | — | — | County |
| 7 May 2023 | Hail | 1.00 in | — | — | — | — | County |
| 7 May 2023 | Hail | 1.00 in | — | — | — | — | County |
| 7 May 2023 | Hail | 1.00 in | — | — | — | — | County |
| 7 May 2023 | Hail | 1.00 in | — | — | — | — | County |
| 7 May 2023 | Hail | 1.00 in | — | — | — | — | County |
| 7 May 2023 | Hail | 1.50 in | — | — | — | — | County |
| 7 May 2023 | Hail | 1.00 in | — | — | — | — | County |
| 5 Apr 2023 | Hail | 1.00 in | — | — | — | — | County |
| 31 Mar 2023 | Hail | 1.00 in | — | — | — | — | County |
| 31 Mar 2023 | Hail | 1.75 in | — | — | — | — | County |
| 11 Jul 2020 | Hail | 1.25 in | — | — | — | — | County |
| 11 Jul 2020 | Hail | 1.50 in | — | — | — | — | County |
| 11 Jul 2020 | Hail | 1.00 in | — | — | — | — | County |
| 11 Jul 2020 | Hail | 1.00 in | — | — | — | — | County |
| 11 Jul 2020 | Hail | 1.75 in | — | — | — | — | County |
| 11 Jul 2020 | Hail | 1.75 in | — | — | — | — | County |
| 11 Jul 2020 | Hail | 1.75 in | — | — | — | — | County |
| 11 Jul 2020 | Hail | 1.50 in | — | — | — | — | County |
| 11 Jul 2020 | Hail | 1.00 in | — | — | — | — | County |
| 11 Jul 2020 | Hail | 1.00 in | — | — | — | — | County |
| 7 Apr 2020 | Hail | 1.00 in | — | — | — | — | County |
| 9 Jun 2018 | Hail | 0.75 in | — | — | — | — | County |
| 14 May 2018 | Hail | 0.75 in | — | — | — | — | County |
| 14 May 2018 | Hail | 0.75 in | — | — | — | — | County |
| 2 May 2018 | Hail | 1.00 in | — | — | — | — | County |
| 2 May 2018 | Hail | 1.00 in | — | — | — | — | County |
| 2 May 2018 | Hail | 0.75 in | — | — | — | — | County |
| 2 May 2018 | Hail | 0.88 in | — | — | — | — | County |
| 21 Jul 2017 | Hail | 1.00 in | — | — | — | — | County |
| 21 Jul 2017 | Hail | 1.00 in | — | — | — | — | County |
| 21 Jul 2017 | Hail | 0.88 in | — | — | — | — | County |
| 11 Jul 2017 | Hail | 0.75 in | — | — | — | — | County |
| 11 Jul 2017 | Hail | 1.50 in | — | — | — | — | County |
| 15 Jun 2017 | Hail | 1.00 in | — | — | — | — | County |
| 17 May 2017 | Hail | 0.75 in | — | — | — | — | County |
| 10 Apr 2017 | Hail | 1.00 in | — | — | — | — | County |
| 28 Feb 2017 | Hail | 1.25 in | — | — | — | — | County |
| 28 Feb 2017 | Hail | 0.88 in | — | — | — | — | County |
| 28 Feb 2017 | Hail | 1.50 in | — | — | — | — | County |
| 28 Feb 2017 | Hail | 1.00 in | — | — | — | — | County |
| 28 Feb 2017 | Hail | 1.00 in | — | — | — | — | County |
| 28 Feb 2017 | Hail | 0.75 in | — | — | — | — | County |
| 28 Feb 2017 | Hail | 0.88 in | — | — | — | — | County |
| 28 Feb 2017 | Hail | 0.75 in | — | — | — | — | County |
| 28 Feb 2017 | Hail | 1.25 in | — | — | — | — | County |
| 28 Feb 2017 | Hail | 0.88 in | — | — | — | — | County |
| 28 Feb 2017 | Hail | 0.75 in | — | — | — | — | County |
| 23 Feb 2017 | Hail | 0.88 in | — | — | — | — | County |
| 22 Jun 2016 | Hail | 0.75 in | — | — | — | — | County |
| 11 Nov 2015 | Hail | 0.75 in | — | — | — | — | County |
| 11 Nov 2015 | Hail | 0.75 in | — | — | — | — | County |
| 8 Apr 2015 | Hail | 0.75 in | — | — | — | — | County |
| 4 Sep 2014 | Hail | 0.75 in | — | — | — | — | County |
| 4 Aug 2014 | Hail | 0.75 in | — | — | — | — | County |
| 4 Aug 2014 | Hail | 0.75 in | — | — | — | — | County |
| 4 Aug 2014 | Hail | 1.00 in | — | — | — | — | County |
| 12 Jul 2014 | Hail | 0.88 in | — | — | — | — | County |
| 16 Jun 2014 | Hail | 1.00 in | — | — | — | — | County |
| 16 Jun 2014 | Hail | 1.00 in | — | — | — | — | County |
| 16 Jun 2014 | Hail | 0.75 in | — | — | — | — | County |
| 16 Jun 2014 | Hail | 1.75 in | — | — | — | — | County |
| 16 Jun 2014 | Hail | 1.50 in | — | — | — | — | County |
| 12 May 2014 | Hail | 0.75 in | — | — | — | — | County |
| 27 Apr 2014 | Hail | 0.75 in | — | — | — | — | County |
| 27 Apr 2014 | Hail | 0.75 in | — | — | — | — | County |
| 20 Feb 2014 | Hail | 0.75 in | — | — | — | — | County |
| 19 Jul 2013 | Hail | 0.88 in | — | — | — | — | County |
| 17 Apr 2013 | Hail | 0.75 in | — | — | — | — | County |
| 17 Apr 2013 | Hail | 1.00 in | — | — | — | — | County |
| 17 Apr 2013 | Hail | 0.75 in | — | — | — | — | County |
| 7 Sep 2012 | Hail | 1.00 in | — | — | — | — | County |
| 19 Aug 2012 | Hail | 0.88 in | — | — | — | — | County |
| 3 May 2012 | Hail | 1.75 in | — | — | — | — | County |
| 3 May 2012 | Hail | 0.75 in | — | — | — | — | County |
| 9 Jun 2011 | Hail | 0.75 in | — | — | — | — | County |
| 8 Jun 2011 | Hail | 0.75 in | — | — | — | — | County |
| 24 May 2011 | Hail | 1.00 in | — | — | — | — | County |
| 14 Jun 2008 | Hail | 0.88 in | — | — | — | — | County |
| 2 Oct 2007 | Hail | 0.88 in | — | — | — | — | County |
| 30 Sep 2007 | Hail | 0.88 in | — | — | — | — | County |
| 16 Jul 2007 | Hail | 1.00 in | — | — | — | — | County |
| 16 Jul 2007 | Hail | 0.75 in | — | — | — | — | County |
| 16 Jul 2007 | Hail | 1.75 in | — | — | — | — | County |
| 21 Jun 2007 | Hail | 0.75 in | — | — | — | — | County |
| 31 Mar 2007 | Hail | 0.75 in | — | — | — | — | County |
| 10 Nov 2006 | Hail | 0.75 in | — | — | — | — | County |
| 25 Jun 2006 | Hail | 0.88 in | — | $1K | — | — | County |
| 21 Jun 2006 | Hail | 0.88 in | — | — | — | — | County |
| 6 Jun 2006 | Hail | 1.75 in | $7K | $2K | — | — | County |
| 6 Jun 2006 | Hail | 1.00 in | $3K | — | — | — | County |
| 6 Jun 2006 | Hail | 1.75 in | — | — | — | — | County |
| 13 Apr 2006 | Hail | 1.75 in | $50K | — | — | — | County |
| 13 Apr 2006 | Hail | 2.75 in | $30K | — | — | — | County |
| 13 Apr 2006 | Hail | 2.00 in | $15K | — | — | — | County |
| 13 Apr 2006 | Hail | 1.75 in | $10K | — | — | — | County |
| 13 Apr 2006 | Hail | 1.75 in | $8K | — | — | — | County |
| 13 Apr 2006 | Hail | 1.00 in | $5K | — | — | — | County |
| 13 Apr 2006 | Hail | 1.00 in | $3K | — | — | — | County |
| 13 Apr 2006 | Hail | 1.00 in | $3K | — | — | — | County |
| 13 Apr 2006 | Hail | 1.75 in | $3K | — | — | — | County |
| 13 Apr 2006 | Hail | 1.75 in | $2K | — | — | — | County |
| 13 Apr 2006 | Hail | 1.50 in | $2K | — | — | — | County |
| 13 Apr 2006 | Hail | 0.75 in | — | — | — | — | County |
| 13 Apr 2006 | Hail | 0.75 in | — | — | — | — | County |
| 13 Apr 2006 | Hail | 0.88 in | — | — | — | — | County |
| 2 Apr 2006 | Hail | 0.88 in | $500 | — | — | — | County |
| 2 Apr 2006 | Hail | 0.75 in | — | — | — | — | County |
| 12 Mar 2006 | Hail | 0.75 in | — | — | — | — | County |
| 27 Aug 2004 | Hail | 0.75 in | — | $2K | — | — | County |
| 20 May 2004 | Hail | 1.00 in | $2K | $10K | — | — | County |
| 17 May 2004 | Hail | 0.88 in | — | $5K | — | — | County |
| 7 May 2004 | Hail | 1.75 in | $70K | $10K | — | — | County |
| 7 May 2004 | Hail | 0.88 in | — | $5K | — | — | County |
| 7 May 2004 | Hail | 0.88 in | — | $5K | — | — | County |
| 7 May 2004 | Hail | 0.88 in | — | $5K | — | — | County |
| 7 May 2004 | Hail | 0.88 in | — | — | — | — | County |
| 7 May 2004 | Hail | 0.88 in | — | — | — | — | County |
| 14 May 2003 | Hail | 1.75 in | $100K | — | — | — | County |
| 14 May 2003 | Hail | 1.00 in | $100K | — | — | — | County |
| 10 May 2003 | Hail | 0.75 in | — | — | — | — | County |
| 1 Oct 2002 | Hail | 0.75 in | — | — | — | — | County |
| 8 May 2002 | Hail | 0.75 in | — | — | — | — | County |
| 18 Apr 2002 | Hail | 1.00 in | — | — | — | — | County |
| 18 Apr 2002 | Hail | 0.75 in | — | — | — | — | County |
| 10 May 2001 | Hail | 0.75 in | — | — | — | — | County |
| 6 Jun 1999 | Hail | 1.75 in | — | — | — | — | County |
| 18 Jun 1998 | Hail | 1.75 in | $200 | — | — | — | County |
| 18 Jun 1998 | Hail | 1.75 in | — | — | — | — | County |
| 18 Jun 1998 | Hail | 2.75 in | — | — | — | — | County |
| 18 May 1997 | Hail | 2.75 in | $40M | — | — | — | County |
| 18 May 1997 | Hail | 1.75 in | $1K | — | — | — | County |
| 18 May 1997 | Hail | 1.75 in | — | — | — | — | County |
| 8 Aug 1995 | Hail | 1.75 in | $15K | $50K | — | — | County |
| 7 Jun 1994 | Hail | 1.50 in | $5K | $500K | — | 1 | County |
| 7 Jun 1994 | Hail | 1.50 in | $50K | $500K | — | — | County |
| 7 Jun 1994 | Hail | 0.75 in | $5K | $50K | — | — | County |
| 17 May 1991 | Hail | 1.75 in | — | — | — | — | County |
| 28 Apr 1989 | Hail | 2.00 in | — | — | — | — | County |
| 6 Jul 1987 | Hail | 1.75 in | — | — | — | — | County |
| 1 Jun 1987 | Hail | 1.75 in | — | — | — | — | County |
| 23 Jun 1985 | Hail | 0.75 in | — | — | — | — | County |
| 12 Jul 1982 | Hail | 1.75 in | — | — | — | — | County |
| 10 Apr 1981 | Hail | 1.50 in | — | — | — | — | County |
| 4 Aug 1980 | Hail | 1.00 in | — | — | — | — | County |
| 4 Aug 1980 | Hail | 1.00 in | — | — | — | — | County |
| 24 Sep 1979 | Hail | 1.75 in | — | — | — | — | County |
| 18 May 1979 | Hail | 1.00 in | — | — | — | — | County |
| 13 Jun 1975 | Hail | 1.00 in | — | — | — | — | County |
| 11 May 1975 | Hail | 2.75 in | — | — | — | — | County |
| 22 Jun 1974 | Hail | 1.75 in | — | — | — | — | County |
| 20 Jun 1974 | Hail | 1.75 in | — | — | — | — | County |
| 13 Apr 1974 | Hail | 1.50 in | — | — | — | — | County |
| 23 Jun 1973 | Hail | 1.75 in | — | — | — | — | County |
| 31 May 1971 | Hail | 2.00 in | — | — | — | — | County |
| 31 May 1971 | Hail | 2.00 in | — | — | — | — | County |
| 18 May 1971 | Hail | 2.00 in | — | — | — | — | County |
| 15 May 1968 | Hail | 2.75 in | — | — | — | — | County |
Questions and answers
How many hail events has Johnson County had?
229 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 Johnson County?
14 Apr 2026 (Hail, 1.00 in). Records reach NCEI about 120 days after the month ends.
What was the most damaging hail event recorded in Johnson County?
The hail of 18 May 1997, with property damage estimated by NCEI at $40M.
How does Johnson County compare with Iowa for hail?
37.4 events per 100 square miles against 28.6 statewide; the county holds 229 of the state's 15,950 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.