Hail history for Grundy Center, Iowa
NOAA hail reports in and within about 5 km (3 miles) of Grundy Center since 1974, with preliminary reports to November 3, 2026.
Readout · Grundy Center
- Last hail
- Aug 5, 2018
- 1.00 in, quarter size
- Hail days, last 5 years
- 0
- since Nov 3, 2021 · 0 reports
- Largest ever
- 1.75 in
- golf ball · Apr 13, 2006
16 reports on 11 days since 1974 · #242 of 483 Iowa places
Hail map · Grundy Center
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Concerned about your roof after hail?
Send a request to Moxisync Labs for review. The latest hail report in Grundy Center is from August 5, 2018. 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 Grundy Center
The latest hail report in and around Grundy Center is from August 5, 2018, 1.00 in (quarter size). There has been no hail report here in the five years since November 3, 2021.
Over the 20 years 2006–2025, Grundy Center logged 7 reports on 5 hail days, about 0.3 reports a year. That is 22% less than the median Iowa town on this site (0.5 a year) and ranks #242 of 483 Iowa cities and towns on this site for all-time reports. Grundy Center accounts for 18% of the 91 reports filed in Grundy County.
0% of reports with a size were 2 inches (hen egg) or larger, against 6% for the median Iowa town on this site. The largest hail on record here is 1.75 in (golf ball) on April 13, 2006 near 4 SSW Traer.
The busiest year was 2004, with 4 reports on 1 day. Hail here peaks in May (38% of reports); 88% fall between April and June.
Reports a year 2006–2025 average
- Grundy Center 0.3
- Grundy County 2.3
- Median Iowa town on this site 0.5
Hail days 2006–2025
- Grundy Center 5
- Grundy County 30
- Median Iowa town on this site 7
Share 2 in or larger of sized reports
- Grundy Center 0%
- Grundy County 7%
- Median Iowa town on this site 6%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 1 | 1 | 2 | ||||||||||
| 2017 | 0 |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Apr 13, 2006 | 1.75 ingolf ball | 4 SSW Traer | Tama | $10K | 17:52 local · NCEI |
| Apr 13, 2006 | 1.75 ingolf ball | 1 N Ackley | Franklin | $10K | 17:25 local · NCEI |
| Jun 4, 1979 | 1.75 ingolf ball | — | Grundy | — | 16:50 local · NCEI |
| Jun 6, 1980 | 1.50 inping pong ball | — | Grundy | — | 17:35 local · NCEI |
| Aug 5, 2018 | 1.00 inquarter | 0.86 SW Grundy Center | Grundy | — | 19:01 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
- Under 1 in 6 38%
- 1–2 in 10 63%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Aug 5, 2018 | 1.00 inquarter | 0.86 SW Grundy Center | Grundy | — | 19:01 local · NCEI |
| Jun 9, 2018 | 0.88 innickel | 0.69 S Grundy Center | Grundy | — | 20:35 local · NCEI |
| Jun 30, 2014 | 0.88 innickel | 0.69 S Grundy Center | Grundy | — | 12:40 local · NCEI |
| Aug 9, 2009 | 1.00 inquarter | 0.69 S Grundy Center | Grundy | $3K | 10:11 local · NCEI |
| Apr 13, 2006 | 1.75 ingolf ball | 4 SSW Traer | Tama | $10K | 17:52 local · NCEI |
| Apr 13, 2006 | 1.00 inquarter | 3 E Eldora | Hardin | $2K | 17:29 local · NCEI |
| Apr 13, 2006 | 1.75 ingolf ball | 1 N Ackley | Franklin | $10K | 17:25 local · NCEI |
| May 21, 2004 | 1.00 inquarter | 4 N New Hartford | Butler | $2K | 17:52 local · NCEI |
| May 21, 2004 | 0.75 inpenny | 1 S Rolfe | Pocahontas | — | 17:46 local · NCEI |
| May 21, 2004 | 1.00 inquarter | Clear Lake | Cerro Gordo | $3K | 16:55 local · NCEI |
| May 21, 2004 | 1.00 inquarter | Waterloo | Black Hawk | $5K | 14:21 local · NCEI |
| May 14, 2003 | 0.88 innickel | 1 N Grundy Center | Grundy | $2K | 14:20 local · NCEI |
Hail history near Grundy Center
- Holland 5 km · 10
- Dike 17 km · 15
- Conrad 18 km · 17
- Gladbrook 20 km · 12
- Parkersburg 23 km · 17
- Eldora 27 km · 20
- Hudson 28 km · 14
- Cedar Falls 31 km · 67
Questions about hail in Grundy Center
How often does it hail in Grundy Center, Iowa?
16 hail reports have been logged in and within about 5 km (3 miles) of Grundy Center since 1974. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #242 of 483 Iowa places by number of reports.
When is hail season in Grundy Center?
Most reports come in May, June, April. May alone accounts for 38% of all reports.
What is the largest hail recorded in Grundy Center?
1.75 in (golf ball size) on April 13, 2006 near 4 SSW Traer. 0% of reports here were 2 inches or larger.
When did it last hail in Grundy Center?
The most recent report in this data is from August 5, 2018 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Grundy Center had in the last five years?
None: there has been no hail report in and within about 5 km (3 miles) of Grundy Center since November 3, 2021. The last one was on August 5, 2018.
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.