Hail history for Prairie du Rocher, Illinois
NOAA hail reports in and within about 5 km (3 miles) of Prairie du Rocher since 1980, with preliminary reports to November 3, 2026.
Readout · Prairie du Rocher
- Last hail
- Jun 28, 2018
- 1.00 in, quarter size
- Hail days, last 5 years
- 0
- since Nov 3, 2021 · 0 reports
- Largest ever
- 1.75 in
- golf ball · May 8, 1988
11 reports on 11 days since 1980 · #307 of 378 Illinois places
Hail map · Prairie du Rocher
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Concerned about your roof after hail?
Send a request to Moxisync Labs for review. The latest hail report in Prairie du Rocher is from June 28, 2018. 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 Prairie du Rocher
The latest hail report in and around Prairie du Rocher is from June 28, 2018, 1.00 in (quarter size). There has been no hail report here in the five years since November 3, 2021.
Over the 20 years 2006–2025, Prairie du Rocher logged 5 reports on 5 hail days, about 0.3 reports a year. That is about half the median Illinois town on this site (0.5 a year) and ranks #307 of 378 Illinois cities and towns on this site for all-time reports. Prairie du Rocher accounts for 6% of the 174 reports filed in Randolph 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 8, 1988.
The busiest year was 2005, with 2 reports on 2 days. Hail here peaks in May (36% of reports); 73% fall between April and June.
Reports a year 2006–2025 average
- Prairie du Rocher 0.3
- Randolph County 4.8
- Median Illinois town on this site 0.5
Hail days 2006–2025
- Prairie du Rocher 5
- Randolph County 48
- Median Illinois town on this site 8
Share 2 in or larger of sized reports
- Prairie du Rocher 0%
- Randolph County 4%
- 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 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 0 |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| May 8, 1988 | 1.75 ingolf ball | — | Randolph | 17:45 local · NCEI |
| Mar 7, 1980 | 1.75 ingolf ball | — | Randolph | 21:45 local · NCEI |
| May 8, 2009 | 1.50 inping pong ball | 1 W Modoc | Randolph | 09:50 local · NCEI |
| Jun 28, 2018 | 1.00 inquarter | Prairie Du Rocher | Randolph | 18:32 local · NCEI |
| Mar 28, 1997 | 1.00 inquarter | Prairie Du Rocher | Randolph | 14:45 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 6 55%
- 1–2 in 5 45%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jun 28, 2018 | 1.00 inquarter | Prairie Du Rocher | Randolph | 18:32 local · NCEI |
| Apr 19, 2011 | 0.88 innickel | Prairie Du Rocher | Randolph | 19:00 local · NCEI |
| May 3, 2010 | 0.88 innickel | Prairie Du Rocher | Randolph | 16:48 local · NCEI |
| May 8, 2009 | 1.50 inping pong ball | 1 W Modoc | Randolph | 09:50 local · NCEI |
| Apr 7, 2006 | 0.75 inpenny | 2 NE Prairie Du Rocher | Randolph | 11:55 local · NCEI |
| May 19, 2005 | 0.75 inpenny | Prairie Du Rocher | Randolph | 23:45 local · NCEI |
| Mar 31, 2005 | 0.88 innickel | Prairie Du Rocher | Randolph | 18:45 local · NCEI |
| Apr 13, 1998 | 0.75 inpenny | Prairie Du Rocher | Randolph | 18:10 local · NCEI |
| Mar 28, 1997 | 1.00 inquarter | Prairie Du Rocher | Randolph | 14:45 local · NCEI |
| May 8, 1988 | 1.75 ingolf ball | — | Randolph | 17:45 local · NCEI |
| Mar 7, 1980 | 1.75 ingolf ball | — | Randolph | 21:45 local · NCEI |
Hail history near Prairie du Rocher
- Ruma 10 km · 11
- Evansville 14 km · 22
- Red Bud 16 km · 25
- Ellis Grove 18 km · 12
- Maeystown 20 km · 10
- Baldwin 25 km · 11
- Waterloo 29 km · 28
- Chester 29 km · 23
Questions about hail in Prairie du Rocher
How often does it hail in Prairie du Rocher, Illinois?
11 hail reports have been logged in and within about 5 km (3 miles) of Prairie du Rocher since 1980. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #307 of 378 Illinois places by number of reports.
When is hail season in Prairie du Rocher?
Most reports come in May, March, April. May alone accounts for 36% of all reports.
What is the largest hail recorded in Prairie du Rocher?
1.75 in (golf ball size) on May 8, 1988. 0% of reports here were 2 inches or larger.
When did it last hail in Prairie du Rocher?
The most recent report in this data is from June 28, 2018 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Prairie du Rocher had in the last five years?
None: there has been no hail report in and within about 5 km (3 miles) of Prairie du Rocher since November 3, 2021. The last one was on June 28, 2018.
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.