Hail history for Oswego, Kansas
NOAA hail reports in and within about 5 km (3 miles) of Oswego since 1959, with preliminary reports to November 3, 2026.
Readout · Oswego
- Last hail
- May 22, 2025
- 0.88 in, nickel size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 3 reports
- Largest ever
- 1.75 in
- golf ball · Mar 12, 2003
30 reports on 24 days since 1959 · #281 of 612 Kansas places
Hail map · Oswego
- 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 Oswego
The latest hail report in and around Oswego is from May 22, 2025, 0.88 in (nickel size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.00 in on April 5, 2023.
Over the 20 years 2006–2025, Oswego logged 12 reports on 10 hail days, about 0.6 reports a year. That is about the same as the median Kansas town on this site (0.7 a year) and ranks #281 of 612 Kansas cities and towns on this site for all-time reports. Oswego accounts for 13% of the 235 reports filed in Labette County.
0% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median Kansas town on this site. The largest hail on record here is 1.75 in (golf ball) on March 12, 2003 near 3 S Oswego.
Reports held about level in 2016–2025 (6) compared with 2006–2015 (6). The busiest year was 1992, with 3 reports on 2 days. Hail here peaks in May (33% of reports); 60% fall between April and June.
Reports a year 2006–2025 average
- Oswego 0.6
- Labette County 6.3
- Median Kansas town on this site 0.7
Hail days 2006–2025
- Oswego 10
- Labette County 60
- Median Kansas town on this site 10
Share 2 in or larger of sized reports
- Oswego 0%
- Labette County 5%
- Median Kansas town on this site 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 1 | 1 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 2 | 2 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 2 | 2 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| May 22, 2025 | 1 | 0.88 in | — |
| Apr 5, 2023 | 2 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Mar 12, 2003 | 1.75 ingolf ball | 3 S Oswego | Labette | 22:10 local · NCEI |
| May 13, 1985 | 1.75 ingolf ball | — | Labette | 13:20 local · NCEI |
| May 13, 1985 | 1.75 ingolf ball | — | Labette | 12:20 local · NCEI |
| Sep 6, 1983 | 1.75 ingolf ball | — | Labette | 18:00 local · NCEI |
| Apr 29, 1975 | 1.75 ingolf ball | — | Labette | 23:12 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 13 43%
- 1–2 in 17 57%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| May 22, 2025 | 0.88 innickel | 0.88 SW Oswego | Labette | 00:01 local · NCEI |
| Apr 5, 2023 | 1.00 inquarter | 0.88 SW Oswego | Labette | 01:55 local · NCEI |
| Apr 5, 2023 | 1.00 inquarter | 3.3 W Hallowell | Cherokee | 01:54 local · NCEI |
| Nov 24, 2020 | 0.75 inpenny | 0.88 SW Oswego | Labette | 20:36 local · NCEI |
| Feb 28, 2017 | 1.50 inping pong ball | 0.55 W Oswego | Labette | 23:48 local · NCEI |
| Feb 28, 2017 | 1.00 inquarter | 0.55 W Oswego | Labette | 23:30 local · NCEI |
| Apr 2, 2015 | 0.75 inpenny | 0.55 W Oswego | Labette | 19:31 local · NCEI |
| Apr 13, 2012 | 0.75 inpenny | 0.55 W Oswego | Labette | 16:30 local · NCEI |
| Jul 16, 2009 | 0.75 inpenny | 2.65 SE Labette | Labette | 14:35 local · NCEI |
| May 13, 2009 | 1.00 inquarter | 0.55 W Oswego | Labette | 20:30 local · NCEI |
| May 30, 2008 | 1.00 inquarter | 3.02 SE Labette | Labette | 21:30 local · NCEI |
| Mar 30, 2006 | 0.75 inpenny | Oswego | Labette | 20:50 local · NCEI |
Hail history near Oswego
Questions about hail in Oswego
How often does it hail in Oswego, Kansas?
30 hail reports have been logged in and within about 5 km (3 miles) of Oswego since 1959. Over the 20 years 2006–2025 that averages 0.6 reports a year. That ranks #281 of 612 Kansas places by number of reports.
When is hail season in Oswego?
Most reports come in May, April, March. May alone accounts for 33% of all reports.
What is the largest hail recorded in Oswego?
1.75 in (golf ball size) on March 12, 2003 near 3 S Oswego. 0% of reports here were 2 inches or larger.
When did it last hail in Oswego?
The most recent report in this data is from May 22, 2025 (0.88 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Oswego 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 May 22, 2025.
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.