Hail history for Monmouth, Illinois
NOAA hail reports in and within about 5 km (3 miles) of Monmouth since 1969, with preliminary reports to November 3, 2026.
Readout · Monmouth
- Last hail
- May 26, 2022
- 1.00 in, quarter size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 1 report
- Largest ever
- 1.75 in
- golf ball · May 11, 2014
18 reports on 14 days since 1969 · #142 of 378 Illinois places
Hail map · Monmouth
- 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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Send a request to Moxisync Labs for review. The latest hail report in Monmouth is from May 26, 2022. 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 Monmouth
The latest hail report in and around Monmouth is from May 26, 2022, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on May 26, 2022.
Over the 20 years 2006–2025, Monmouth logged 14 reports on 10 hail days, about 0.7 reports a year. That is 40% more than the median Illinois town on this site (0.5 a year) and ranks #142 of 378 Illinois cities and towns on this site for all-time reports. Monmouth accounts for 24% of the 75 reports filed in Warren County.
0% of reports with a size were 2 inches (hen egg) or larger, against 4% for the median Illinois town on this site. The largest hail on record here is 1.75 in (golf ball) on May 11, 2014 near 0.87 SW Monmouth.
Reports were down 73% in 2016–2025 (3) compared with 2006–2015 (11). The busiest year was 2011, with 3 reports on 1 day. Hail here peaks in May (22% of reports); 56% fall between April and June.
Reports a year 2006–2025 average
- Monmouth 0.7
- Warren County 2.9
- Median Illinois town on this site 0.5
Hail days 2006–2025
- Monmouth 10
- Warren County 39
- Median Illinois town on this site 8
Share 2 in or larger of sized reports
- Monmouth 0%
- Warren County 0%
- Median Illinois town on this site 4%
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 | 1 | 1 | |||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 2 | 2 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| May 26, 2022 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| May 11, 2014 | 1.75 ingolf ball | 0.87 SW Monmouth | Warren | — | 15:28 local · NCEI |
| Sep 3, 2011 | 1.75 ingolf ball | 0.87 SW Monmouth | Warren | — | 14:35 local · NCEI |
| May 8, 2003 | 1.75 ingolf ball | Monmouth | Warren | $2.0 million | 20:11 local · NCEI |
| Sep 24, 1984 | 1.75 ingolf ball | — | Warren | — | 22:35 local · NCEI |
| Oct 14, 2017 | 1.25 inhalf dollar | Monmouth Muni Arpt | Warren | — | 16:50 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 5 28%
- 1–2 in 13 72%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| May 26, 2022 | 1.00 inquarter | 0.87 SW Monmouth | Warren | 11:16 local · NCEI |
| Oct 14, 2017 | 1.25 inhalf dollar | Monmouth Muni Arpt | Warren | 16:50 local · NCEI |
| Oct 14, 2017 | 1.00 inquarter | 0.87 SW Monmouth | Warren | 16:48 local · NCEI |
| Apr 8, 2015 | 0.88 innickel | 1.25 WSW Monmouth | Warren | 00:49 local · NCEI |
| May 11, 2014 | 1.00 inquarter | 0.87 SW Monmouth | Warren | 15:29 local · NCEI |
| May 11, 2014 | 1.75 ingolf ball | 0.87 SW Monmouth | Warren | 15:28 local · NCEI |
| Sep 3, 2011 | 1.00 inquarter | 0.87 SW Monmouth | Warren | 14:45 local · NCEI |
| Sep 3, 2011 | 1.75 ingolf ball | 0.87 SW Monmouth | Warren | 14:35 local · NCEI |
| Sep 3, 2011 | 1.25 inhalf dollar | 0.87 SW Monmouth | Warren | 14:35 local · NCEI |
| Nov 22, 2010 | 0.75 inpenny | 0.69 S Monmouth | Warren | 12:51 local · NCEI |
| Jun 1, 2010 | 1.00 inquarter | 2.7 WSW Monmouth | Warren | 21:29 local · NCEI |
| Jun 1, 2009 | 0.88 innickel | 0.77 W Monmouth Muni Arpt | Warren | 16:30 local · NCEI |
Hail history near Monmouth
- Roseville 21 km · 11
- Galesburg 23 km · 37
- Abingdon 24 km · 11
- Aledo 33 km · 15
- Windsor 36 km · 14
- Prairie City 36 km · 12
- Bushnell 42 km · 17
- Blandinsville 44 km · 15
Questions about hail in Monmouth
How often does it hail in Monmouth, Illinois?
18 hail reports have been logged in and within about 5 km (3 miles) of Monmouth since 1969. Over the 20 years 2006–2025 that averages 0.7 reports a year. That ranks #142 of 378 Illinois places by number of reports.
When is hail season in Monmouth?
Most reports come in May, September, April. May alone accounts for 22% of all reports.
What is the largest hail recorded in Monmouth?
1.75 in (golf ball size) on May 11, 2014 near 0.87 SW Monmouth. 0% of reports here were 2 inches or larger.
When did it last hail in Monmouth?
The most recent report in this data is from May 26, 2022 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Monmouth had in the last five years?
1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was May 26, 2022.
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.