Hail history for Mount Carroll, Illinois
NOAA hail reports in and within about 5 km (3 miles) of Mount Carroll since 1981, with preliminary reports to November 3, 2026.
Readout · Mount Carroll
- Last hail
- Apr 2, 2026
- 1.50 in, ping pong ball size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 3 reports
- Largest ever
- 1.75 in
- golf ball · Mar 27, 1991
16 reports on 12 days since 1981 · #165 of 378 Illinois places
Hail map · Mount Carroll
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Roof damage after hail? Get a free inspection
Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Mount Carroll is from April 2, 2026. A local roofer can check and document it at no cost.
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What the record says about Mount Carroll
The latest hail report in and around Mount Carroll is from April 2, 2026, 1.50 in (ping pong ball size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.50 in on April 2, 2026.
Over the 20 years 2006–2025, Mount Carroll logged 9 reports on 6 hail days, about 0.5 reports a year. That is 10% less than the median Illinois town on this site (0.5 a year) and ranks #165 of 378 Illinois cities and towns on this site for all-time reports. Mount Carroll accounts for 21% of the 76 reports filed in Carroll 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 March 27, 1991.
Reports were up 25% in 2016–2025 (5) compared with 2006–2015 (4). The busiest year was 2007, with 4 reports on 2 days. Hail here peaks in June (31% of reports); 63% fall between April and June.
Reports a year 2006–2025 average
- Mount Carroll 0.5
- Carroll County 1.7
- Median Illinois town on this site 0.5
Hail days 2006–2025
- Mount Carroll 6
- Carroll County 21
- Median Illinois town on this site 8
Share 2 in or larger of sized reports
- Mount Carroll 0%
- Carroll County 5%
- 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 | 1 | 1 | |||||||||||
| 2025 | 1 | 1 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 2 | 1 | 3 | ||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 2, 2026 | 1 | 1.50 in | — |
| Jul 10, 2025 | 1 | 1.00 in | — |
| Apr 20, 2023 | 1 | 0.88 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Mar 27, 1991 | 1.75 ingolf ball | — | Carroll | 13:10 local · NCEI |
| Apr 3, 1981 | 1.75 ingolf ball | — | Carroll | 07:08 local · NCEI |
| Apr 2, 2026 | 1.50 inping pong ball | Mt Carroll | Carroll | 16:48 local · NCEI |
| Jul 10, 2025 | 1.00 inquarter | 2.07 N Wacker | Carroll | 18:40 local · NCEI |
| Jul 19, 2018 | 1.00 inquarter | Mt Carroll | Carroll | 18:30 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 7 44%
- 1–2 in 9 56%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Apr 2, 2026 | 1.50 inping pong ball | Mt Carroll | Carroll | 16:48 local · NCEI |
| Jul 10, 2025 | 1.00 inquarter | 2.07 N Wacker | Carroll | 18:40 local · NCEI |
| Apr 20, 2023 | 0.88 innickel | Mt Carroll | Carroll | 14:41 local · NCEI |
| Jul 19, 2018 | 1.00 inquarter | Mt Carroll | Carroll | 18:30 local · NCEI |
| May 2, 2018 | 1.00 inquarter | 3.71 NW Chadwick | Carroll | 16:35 local · NCEI |
| May 2, 2018 | 0.75 inpenny | 2.76 N Wacker | Carroll | 16:30 local · NCEI |
| Aug 22, 2007 | 1.00 inquarter | Mt Carroll | Carroll | 01:26 local · NCEI |
| Aug 22, 2007 | 1.00 inquarter | Mt Carroll | Carroll | 01:22 local · NCEI |
| Jun 27, 2007 | 0.88 innickel | Mt Carroll | Carroll | 12:40 local · NCEI |
| Jun 27, 2007 | 0.75 inpenny | Mt Carroll | Carroll | 12:22 local · NCEI |
| Sep 11, 2000 | 0.75 inpenny | Mt Carroll | Carroll | 12:45 local · NCEI |
| Jun 8, 1999 | 1.00 inquarter | Mt Carroll | Carroll | 14:52 local · NCEI |
Hail history near Mount Carroll
Questions about hail in Mount Carroll
How often does it hail in Mount Carroll, Illinois?
16 hail reports have been logged in and within about 5 km (3 miles) of Mount Carroll since 1981. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #165 of 378 Illinois places by number of reports.
When is hail season in Mount Carroll?
Most reports come in June, April, May. June alone accounts for 31% of all reports.
What is the largest hail recorded in Mount Carroll?
1.75 in (golf ball size) on March 27, 1991. 0% of reports here were 2 inches or larger.
When did it last hail in Mount Carroll?
The most recent report in this data is from April 2, 2026 (1.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Mount Carroll had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 3 reports. The most recent was April 2, 2026.
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.