Hail history for Monticello, Wisconsin
NOAA hail reports in and within about 5 km (3 miles) of Monticello since 1974, with preliminary reports to November 3, 2026.
Readout · Monticello
- Last hail
- Apr 18, 2025
- 2.00 in, hen egg size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 4 reports
- Largest ever
- 2.00 in
- hen egg · Apr 18, 2025
10 reports on 7 days since 1974 · #258 of 271 Wisconsin places
Hail map · Monticello
- 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 Monticello
The latest hail report in and around Monticello is from April 18, 2025, 2.00 in (hen egg size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 2.00 in on April 18, 2025.
Over the 20 years 2006–2025, Monticello logged 4 reports on 2 hail days, about 0.2 reports a year. That is about half the median Wisconsin town on this site (0.5 a year) and ranks #258 of 271 Wisconsin cities and towns on this site for all-time reports. Monticello accounts for 11% of the 94 reports filed in Green County.
20% of reports with a size were 2 inches (hen egg) or larger, against 6% for the median Wisconsin town on this site. The largest hail on record here is 2.00 in (hen egg) on April 18, 2025 near 0.86 NW Monticello.
The busiest year was 2025, with 3 reports on 1 day. Hail here peaks in April (40% of reports); 60% fall between April and June.
Reports a year 2006–2025 average
- Monticello 0.2
- Green County 2.6
- Median Wisconsin town on this site 0.5
Hail days 2006–2025
- Monticello 2
- Green County 28
- Median Wisconsin town on this site 7
Share 2 in or larger of sized reports
- Monticello 20%
- Green County 12%
- Median Wisconsin 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 | 3 | 3 | |||||||||||
| 2024 | 1 | 1 | |||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 18, 2025 | 3 | 2.00 in | — |
| Apr 27, 2024 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Apr 18, 2025 | 2.00 inhen egg | 0.86 NW Monticello | Green | — | 05:44 local · NCEI |
| Mar 27, 1991 | 2.00 inhen egg | — | Green | — | 13:20 local · NCEI |
| Apr 18, 2025 | 1.75 ingolf ball | 1.47 NNW Monticello | Green | — | 05:40 local · NCEI |
| Sep 11, 2000 | 1.50 inping pong ball | Monticello | Green | $10K | 17:30 local · NCEI |
| Jun 14, 1974 | 1.25 inhalf dollar | — | Green | — | 18:02 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 2 20%
- 1–2 in 6 60%
- 2 in + 2 20%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Apr 18, 2025 | 2.00 inhen egg | 0.86 NW Monticello | Green | — | 05:44 local · NCEI |
| Apr 18, 2025 | 1.00 inquarter | 1.71 SE Exeter | Green | — | 05:40 local · NCEI |
| Apr 18, 2025 | 1.75 ingolf ball | 1.47 NNW Monticello | Green | — | 05:40 local · NCEI |
| Apr 27, 2024 | 1.00 inquarter | 1.47 NNW Monticello | Green | — | 17:51 local · NCEI |
| Aug 3, 2003 | 0.75 inpenny | Monticello | Green | — | 17:47 local · NCEI |
| Sep 11, 2000 | 1.50 inping pong ball | Monticello | Green | $10K | 17:30 local · NCEI |
| Jul 19, 1992 | 1.00 inquarter | — | Green | — | 17:02 local · NCEI |
| Mar 27, 1991 | 2.00 inhen egg | — | Green | — | 13:20 local · NCEI |
| Jun 14, 1974 | 1.25 inhalf dollar | — | Green | — | 18:02 local · NCEI |
| Jun 14, 1974 | 0.75 inpenny | — | Green | — | 16:51 local · NCEI |
Hail history near Monticello
- New Glarus 8 km · 14
- Monroe 16 km · 15
- Brodhead 23 km · 12
- Evansville 24 km · 18
- Oregon 26 km · 23
- Verona 28 km · 24
- Fitchburg 30 km · 21
- Mount Horeb 31 km · 20
Questions about hail in Monticello
How often does it hail in Monticello, Wisconsin?
10 hail reports have been logged in and within about 5 km (3 miles) of Monticello since 1974. Over the 20 years 2006–2025 that averages 0.2 reports a year. That ranks #258 of 271 Wisconsin places by number of reports.
When is hail season in Monticello?
Most reports come in April, June, March. April alone accounts for 40% of all reports.
What is the largest hail recorded in Monticello?
2.00 in (hen egg size) on April 18, 2025 near 0.86 NW Monticello. 20% of reports here were 2 inches or larger.
When did it last hail in Monticello?
The most recent report in this data is from April 18, 2025 (2.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Monticello had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 4 reports. The most recent was April 18, 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.