Hail history for Colfax, Iowa
NOAA hail reports in and within about 5 km (3 miles) of Colfax since 1985, with preliminary reports to November 3, 2026.
Readout · Colfax
- Last hail
- Jul 28, 2024
- 1.75 in, golf ball size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 3 reports
- Largest ever
- 2.75 in
- baseball · Apr 30, 2003
20 reports on 14 days since 1985 · #156 of 483 Iowa places
Hail map · Colfax
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Colfax
The latest hail report in and around Colfax is from July 28, 2024, 1.75 in (golf ball size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.75 in on July 28, 2024.
Over the 20 years 2006–2025, Colfax logged 6 reports on 5 hail days, about 0.3 reports a year. That is 33% less than the median Iowa town on this site (0.5 a year) and ranks #156 of 483 Iowa cities and towns on this site for all-time reports. Colfax accounts for 9% of the 220 reports filed in Jasper County.
15% 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 2.75 in (baseball) on April 30, 2003 near Colfax.
The busiest year was 2003, with 6 reports on 2 days. Hail here peaks in April (40% of reports); 80% fall between April and June.
Reports a year 2006–2025 average
- Colfax 0.3
- Jasper County 5.4
- Median Iowa town on this site 0.5
Hail days 2006–2025
- Colfax 5
- Jasper County 54
- Median Iowa town on this site 7
Share 2 in or larger of sized reports
- Colfax 15%
- Jasper County 11%
- 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 | 2 | 2 | |||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 28, 2024 | 2 | 1.75 in | — |
| May 7, 2023 | 1 | 1.50 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Apr 30, 2003 | 2.75 inbaseball | Colfax | Jasper | $25K | 20:06 local · NCEI |
| Apr 30, 2003 | 2.50 intennis ball | Colfax | Jasper | $25K | 20:09 local · NCEI |
| May 8, 1988 | 2.00 inhen egg | — | Jasper | — | 11:23 local · NCEI |
| Jul 28, 2024 | 1.75 ingolf ball | 0.86 NE Colfax | Jasper | — | 19:50 local · NCEI |
| Apr 30, 2003 | 1.75 ingolf ball | 1 E Colfax | Jasper | $10K | 19:56 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 4 20%
- 1–2 in 13 65%
- 2 in + 3 15%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jul 28, 2024 | 1.75 ingolf ball | 0.86 NE Colfax | Jasper | — | 19:50 local · NCEI |
| Jul 28, 2024 | 1.50 inping pong ball | 1.24 NE Colfax | Jasper | — | 19:43 local · NCEI |
| May 7, 2023 | 1.50 inping pong ball | 1.03 W Goddard | Jasper | — | 14:56 local · NCEI |
| Jun 15, 2017 | 1.00 inquarter | 1.24 NE Colfax | Jasper | — | 22:28 local · NCEI |
| Jul 21, 2008 | 1.00 inquarter | 1.03 E Colfax | Jasper | $5K | 02:48 local · NCEI |
| Apr 18, 2006 | 0.75 inpenny | Colfax | Jasper | — | 20:46 local · NCEI |
| Jun 6, 2003 | 0.75 inpenny | 4 NW Colfax | Jasper | — | 12:18 local · NCEI |
| Apr 30, 2003 | 2.50 intennis ball | Colfax | Jasper | $25K | 20:09 local · NCEI |
| Apr 30, 2003 | 2.75 inbaseball | Colfax | Jasper | $25K | 20:06 local · NCEI |
| Apr 30, 2003 | 1.00 inquarter | 1 N Colfax | Jasper | $5K | 19:56 local · NCEI |
| Apr 30, 2003 | 1.00 inquarter | 1 W Colfax | Jasper | $5K | 19:56 local · NCEI |
| Apr 30, 2003 | 1.75 ingolf ball | 1 E Colfax | Jasper | $10K | 19:56 local · NCEI |
Hail history near Colfax
Questions about hail in Colfax
How often does it hail in Colfax, Iowa?
20 hail reports have been logged in and within about 5 km (3 miles) of Colfax since 1985. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #156 of 483 Iowa places by number of reports.
When is hail season in Colfax?
Most reports come in April, June, July. April alone accounts for 40% of all reports.
What is the largest hail recorded in Colfax?
2.75 in (baseball size) on April 30, 2003 near Colfax. 15% of reports here were 2 inches or larger.
When did it last hail in Colfax?
The most recent report in this data is from July 28, 2024 (1.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Colfax 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 July 28, 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.