Hail History

Hail history for Mundelein, Illinois

NOAA hail reports in and within about 5 km (3 miles) of Mundelein since 1977, with preliminary reports to November 3, 2026.

Readout · Mundelein

Last hail
Aug 3, 2022
1.00 in, quarter size
Hail days, last 5 years
2
since Nov 3, 2021 · 2 reports
Largest ever
1.75 in
golf ball · Jun 8, 1977

11 reports on 11 days since 1977 · #298 of 378 Illinois places

Hail map · Mundelein

Mundelein Buffalo Grove Lindenhurst Waukegan McHenry 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
11 most recent reports with a location; Lake County is shaded. Open street map

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 Mundelein is from August 3, 2022. A local roofer can check and document it at no cost.

Phone line opening soon

What would a claim cost you? Try the hail claim calculator

Preview: this form is not connected yet. Nothing you enter is sent or stored.

Roofer? Get hail alerts for your area with StormScope

What the record says about Mundelein

The latest hail report in and around Mundelein is from August 3, 2022, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.00 in on August 3, 2022.

Over the 20 years 2006–2025, Mundelein logged 7 reports on 7 hail days, about 0.3 reports a year. That is 30% less than the median Illinois town on this site (0.5 a year) and ranks #298 of 378 Illinois cities and towns on this site for all-time reports. Mundelein accounts for 6% of the 187 reports filed in Lake 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 June 8, 1977.

The busiest year was 2022, with 2 reports on 2 days. Hail here peaks in July (36% of reports); 55% fall between April and June.

Reports a year 2006–2025 average

  • Mundelein 0.3
  • Lake County 5.8
  • Median Illinois town on this site 0.5

Hail days 2006–2025

  • Mundelein 7
  • Lake County 44
  • Median Illinois town on this site 8

Share 2 in or larger of sized reports

  • Mundelein 0%
  • Lake County 5%
  • Median Illinois town on this site 4%

Hail over time

012 1977: 1 reports, largest 1.75 in 1980 1990 2000: 1 reports, largest 0.75 in 2000 2003: 2 reports, largest 1.00 in 2006: 2 reports, largest 0.88 in 2010 2011: 1 reports, largest 0.75 in 2016: 1 reports, largest 1.50 in 2017: 1 reports, largest 0.75 in 2020 2022: 2 reports, largest 1.00 in
Reports per year, 1977–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
01234 Jan Feb Mar April: 3 reports (27%) Apr May: 2 reports (18%) May June: 1 reports (9%) Jun July: 4 reports (36%) Jul August: 1 reports (9%) Aug Sep Oct Nov Dec
All 11 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 0
2022 11 2
2021 0
2020 0
2019 0
2018 0
2017 1 1

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Aug 3, 2022 1 1.00 in —
Jul 23, 2022 1 1.00 in —

Largest hail on record

Largest hail reports in Mundelein
Date Size Location County Time · source
Jun 8, 1977 1.75 ingolf ball — Lake 12:40 local · NCEI
Apr 25, 2016 1.50 inping pong ball Mundelein Lake 18:09 local · NCEI
Aug 3, 2022 1.00 inquarter 2.2 NNW Mundelein Lake 12:24 local · NCEI
Jul 23, 2022 1.00 inquarter 1 W Mundelein Lake 00:19 local · NCEI
Jul 17, 2003 1.00 inquarter Geneva Kane 19:30 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

Most recent reports

Most recent hail reports in Mundelein
Date Size Location County Time · source
Aug 3, 2022 1.00 inquarter 2.2 NNW Mundelein Lake 12:24 local · NCEI
Jul 23, 2022 1.00 inquarter 1 W Mundelein Lake 00:19 local · NCEI
Jul 12, 2017 0.75 inpenny Mundelein Lake 08:19 local · NCEI
Apr 25, 2016 1.50 inping pong ball Mundelein Lake 18:09 local · NCEI
May 22, 2011 0.75 inpenny Mundelein Lake 19:35 local · NCEI
Jul 17, 2006 0.88 innickel Marengo Mchenry 21:09 local · NCEI
Apr 13, 2006 0.75 inpenny Mokena Will 21:42 local · NCEI
Jul 17, 2003 1.00 inquarter Geneva Kane 19:30 local · NCEI
Apr 30, 2003 1.00 inquarter Mundelein Lake 12:25 local · NCEI
May 18, 2000 0.75 inpenny Mundelein Lake 13:11 local · NCEI
Jun 8, 1977 1.75 ingolf ball — Lake 12:40 local · NCEI

Hail history near Mundelein

Questions about hail in Mundelein

How often does it hail in Mundelein, Illinois?

11 hail reports have been logged in and within about 5 km (3 miles) of Mundelein since 1977. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #298 of 378 Illinois places by number of reports.

When is hail season in Mundelein?

Most reports come in July, April, May. July alone accounts for 36% of all reports.

What is the largest hail recorded in Mundelein?

1.75 in (golf ball size) on June 8, 1977. 0% of reports here were 2 inches or larger.

When did it last hail in Mundelein?

The most recent report in this data is from August 3, 2022 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Mundelein 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 August 3, 2022.

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.