Hail history for Warren, Illinois
NOAA hail reports in and within about 5 km (3 miles) of Warren since 1974, with preliminary reports to November 3, 2026.
Readout · Warren
- Last hail
- Mar 10, 2026
- 0.88 in, nickel size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 2 reports
- Largest ever
- 2.00 in
- hen egg · Apr 13, 1974
11 reports on 10 days since 1974 · #319 of 378 Illinois places
Hail map · Warren
- 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 Warren is from March 10, 2026. A local roofer can check and document it at no cost.
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What the record says about Warren
The latest hail report in and around Warren is from March 10, 2026, 0.88 in (nickel size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.00 in on February 8, 2024.
Over the 20 years 2006–2025, Warren logged 5 reports on 4 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 #319 of 378 Illinois cities and towns on this site for all-time reports. Warren accounts for 10% of the 113 reports filed in Jo Daviess County.
9% 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 2.00 in (hen egg) on April 13, 1974.
The busiest year was 2014, with 3 reports on 2 days. Hail here peaks in May (36% of reports); 64% fall between April and June.
Reports a year 2006–2025 average
- Warren 0.3
- Jo Daviess County 3.4
- Median Illinois town on this site 0.5
Hail days 2006–2025
- Warren 4
- Jo Daviess County 36
- Median Illinois town on this site 8
Share 2 in or larger of sized reports
- Warren 9%
- Jo Daviess 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 | 1 | 1 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 1 | 1 | |||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Mar 10, 2026 | 1 | 0.88 in | — |
| Feb 8, 2024 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Apr 13, 1974 | 2.00 inhen egg | — | Jo Daviess | 19:00 local · NCEI |
| Oct 23, 2001 | 1.75 ingolf ball | Warren | Jo Daviess | 20:27 local · NCEI |
| May 11, 2000 | 1.75 ingolf ball | Warren | Jo Daviess | 07:55 local · NCEI |
| Feb 8, 2024 | 1.00 inquarter | 1.53 W Warren | Jo Daviess | 16:47 local · NCEI |
| Feb 28, 2017 | 1.00 inquarter | 0.86 SW Warren | Jo Daviess | 17:08 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 4 36%
- 1–2 in 6 55%
- 2 in + 1 9%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Mar 10, 2026 | 0.88 innickel | 0.86 SW Warren | Jo Daviess | 19:10 local · NCEI |
| Feb 8, 2024 | 1.00 inquarter | 1.53 W Warren | Jo Daviess | 16:47 local · NCEI |
| Feb 28, 2017 | 1.00 inquarter | 0.86 SW Warren | Jo Daviess | 17:08 local · NCEI |
| May 20, 2014 | 0.75 inpenny | 0.86 SW Warren | Jo Daviess | 16:30 local · NCEI |
| May 20, 2014 | 1.00 inquarter | 0.86 SW Warren | Jo Daviess | 16:28 local · NCEI |
| Apr 12, 2014 | 0.88 innickel | 1.23 SW Warren | Jo Daviess | 08:06 local · NCEI |
| May 22, 2004 | 1.00 inquarter | 2 SW Warren | Jo Daviess | 22:48 local · NCEI |
| Oct 23, 2001 | 1.75 ingolf ball | Warren | Jo Daviess | 20:27 local · NCEI |
| May 11, 2000 | 1.75 ingolf ball | Warren | Jo Daviess | 07:55 local · NCEI |
| Jun 20, 1974 | 0.75 inpenny | — | Jo Daviess | 16:50 local · NCEI |
| Apr 13, 1974 | 2.00 inhen egg | — | Jo Daviess | 19:00 local · NCEI |
Hail history near Warren
- Stockton 16 km · 20
- Lena 19 km · 10
- The Galena Territory 30 km · 12
- Hanover 35 km · 11
- Freeport 37 km · 35
- Galena 37 km · 10
- Dakota 40 km · 11
- Mount Carroll 45 km · 16
Questions about hail in Warren
How often does it hail in Warren, Illinois?
11 hail reports have been logged in and within about 5 km (3 miles) of Warren since 1974. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #319 of 378 Illinois places by number of reports.
When is hail season in Warren?
Most reports come in May, February, April. May alone accounts for 36% of all reports.
What is the largest hail recorded in Warren?
2.00 in (hen egg size) on April 13, 1974. 9% of reports here were 2 inches or larger.
When did it last hail in Warren?
The most recent report in this data is from March 10, 2026 (0.88 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Warren had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was March 10, 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.