Hail history for Belvidere, Illinois
NOAA hail reports in and within about 5 km (3 miles) of Belvidere since 1963, with preliminary reports to November 3, 2026.
Readout · Belvidere
- Last hail
- Apr 14, 2026
- 1.50 in, ping pong ball size
- Hail days, last 5 years
- 5
- since Nov 3, 2021 · 7 reports
- Largest ever
- 2.75 in
- baseball · Apr 13, 2006
35 reports on 28 days since 1963 · #34 of 378 Illinois places
Hail map · Belvidere
- 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 Belvidere
The latest hail report in and around Belvidere is from April 14, 2026, 1.50 in (ping pong ball size). Since November 3, 2021 there have been 5 separate hail days; the biggest stones in that time were 1.75 in on April 14, 2026.
Over the 20 years 2006–2025, Belvidere logged 27 reports on 22 hail days, about 1.4 reports a year. That is 2.7 times the median Illinois town on this site (0.5 a year) and ranks #34 of 378 Illinois cities and towns on this site for all-time reports. Belvidere accounts for 54% of the 65 reports filed in Boone County.
6% 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 2.75 in (baseball) on April 13, 2006 near Dixon.
Reports were down 20% in 2016–2025 (12) compared with 2006–2015 (15). The busiest year was 2012, with 4 reports on 2 days. Hail here peaks in April (23% of reports); 60% fall between April and June.
Reports a year 2006–2025 average
- Belvidere 1.4
- Boone County 2.1
- Median Illinois town on this site 0.5
Hail days 2006–2025
- Belvidere 22
- Boone County 31
- Median Illinois town on this site 8
Share 2 in or larger of sized reports
- Belvidere 6%
- Boone County 2%
- 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 | 2 | 2 | |||||||||||
| 2025 | 1 | 2 | 3 | ||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 1 | 1 | 2 | ||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 2 | 1 | 3 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 14, 2026 | 2 | 1.75 in | — |
| Aug 16, 2025 | 2 | 1.00 in | — |
| May 15, 2025 | 1 | 1.00 in | — |
| Jun 29, 2023 | 1 | 1.00 in | — |
| Apr 30, 2022 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Apr 13, 2006 | 2.75 inbaseball | Dixon | Lee | — | 20:10 local · NCEI |
| Apr 12, 2014 | 2.00 inhen egg | 1.68 NNW Belvidere | Boone | $250K | 09:15 local · NCEI |
| Apr 14, 2026 | 1.75 ingolf ball | 0.69 N Belvidere | Boone | — | 19:56 local · NCEI |
| Jun 8, 2011 | 1.75 ingolf ball | 3 S Belvidere | Boone | — | 21:22 local · NCEI |
| Jun 19, 2009 | 1.75 ingolf ball | 0.26 SE Belvidere | Boone | — | 07:26 local · NCEI |
Size of every report
- Under 1 in 6 17%
- 1–2 in 27 77%
- 2 in + 2 6%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Apr 14, 2026 | 1.50 inping pong ball | 0.51 E Belvidere | Boone | 19:56 local · NCEI |
| Apr 14, 2026 | 1.75 ingolf ball | 0.69 N Belvidere | Boone | 19:56 local · NCEI |
| Aug 16, 2025 | 1.00 inquarter | 1.68 ESE Belvidere | Boone | 14:51 local · NCEI |
| Aug 16, 2025 | 1.00 inquarter | 1.38 N Belvidere | Boone | 14:51 local · NCEI |
| May 15, 2025 | 1.00 inquarter | 0.86 NW Belvidere | Boone | 17:31 local · NCEI |
| Jun 29, 2023 | 1.00 inquarter | 1 W Belvidere | Boone | 02:47 local · NCEI |
| Apr 30, 2022 | 1.00 inquarter | 1.38 N Belvidere | Boone | 17:14 local · NCEI |
| Aug 10, 2021 | 0.88 innickel | 2 N Belvidere | Boone | 17:50 local · NCEI |
| Aug 10, 2020 | 1.00 inquarter | 0.86 NW Belvidere | Boone | 14:00 local · NCEI |
| Apr 7, 2020 | 1.00 inquarter | Belvidere | Boone | 18:36 local · NCEI |
| May 2, 2018 | 1.25 inhalf dollar | Belvidere | Boone | 17:23 local · NCEI |
| Jul 23, 2017 | 1.00 inquarter | Belvidere | Boone | 14:45 local · NCEI |
Hail history near Belvidere
- Poplar Grove 10 km · 11
- Rockford 14 km · 114
- Machesney Park 16 km · 13
- Roscoe 20 km · 11
- Marengo 24 km · 27
- Rockton 25 km · 10
- Winnebago 29 km · 13
- Harvard 29 km · 10
Questions about hail in Belvidere
How often does it hail in Belvidere, Illinois?
35 hail reports have been logged in and within about 5 km (3 miles) of Belvidere since 1963. Over the 20 years 2006–2025 that averages 1.4 reports a year. That ranks #34 of 378 Illinois places by number of reports.
When is hail season in Belvidere?
Most reports come in April, May, June. April alone accounts for 23% of all reports.
What is the largest hail recorded in Belvidere?
2.75 in (baseball size) on April 13, 2006 near Dixon. 6% of reports here were 2 inches or larger.
When did it last hail in Belvidere?
The most recent report in this data is from April 14, 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 Belvidere had in the last five years?
5 separate days with hail reports since November 3, 2021, adding up to 7 reports. The most recent was April 14, 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.