Mundelein Hail — Storm History & NOAA Data for Mundelein, IL

Data current as of 2026-10-16 · Sourced from NOAA Storm Events

Over the past five years, the National Oceanic and Atmospheric Administration has recorded 144 hail storms within 25 miles of Mundelein, IL. Of those, 142 produced hail at least quarter-size — the threshold most insurance carriers consider potentially damaging to asphalt shingles. The largest reported hail in this window was egg-sized, which can fracture shingle mat and dent metal flashing on contact. 2023 was the most active year on record locally, with 52 documented hail events.

Check Hail History for a Specific Address in Mundelein

Hail Severity Breakdown — Mundelein Area (Last 5 Years)

Severity	Count	What it means for roofs
Destructive	3 events	Egg-size, expect mat fractures and gutter damage
Severe	30 events	Ping pong-size, granule loss and bruising common
Significant	109 events	Quarter-size, the standard insurance damage threshold
Moderate	2 events	Marble-size, possible cosmetic damage

Mundelein Hail Storms by Year

Year	Reported Hail Events Within 25 mi
2026	41 events
2025	20 events
2024	17 events
2023	52 events
2022	14 events

2023 was the busiest hail year on record locally for Mundelein, with 52 documented events inside the 25-mile radius. Storm activity in Mundelein typically peaks in spring and early summer, when the jet stream pushes Gulf moisture into the area and supercell thunderstorms become more frequent.

Notable Recent Mundelein Hail Storms

August 10, 2026 — Significant hail (quarter-sized or larger) reported near Vernon Hills. This storm met the quarter-size insurance damage threshold and is a candidate date when filing a claim for Mundelein-area properties.
July 27, 2026 — Significant hail (quarter-sized or larger) reported near 1 NW Roselle. This storm met the quarter-size insurance damage threshold and is a candidate date when filing a claim for Mundelein-area properties.
July 27, 2026 — Severe hail (ping pong ball-sized) reported near 1 ENE Carol Stream. This storm met the quarter-size insurance damage threshold and is a candidate date when filing a claim for Mundelein-area properties.
July 27, 2026 — Severe hail (ping pong ball-sized) reported near 1 E Glendale Heights. This storm met the quarter-size insurance damage threshold and is a candidate date when filing a claim for Mundelein-area properties.
July 27, 2026 — Significant hail (quarter-sized or larger) reported near 1 S Hanover Park. This storm met the quarter-size insurance damage threshold and is a candidate date when filing a claim for Mundelein-area properties.

Recent Hail Events Near Mundelein

Date	Location	Severity	Size	NOAA Comments
2026-08-10	Vernon Hills, IL	Significant	1.00"	Trained spotter reports quarter size hail ongoing in Vernon Hills.
2026-07-27	1 NW Roselle, IL	Significant	1.25"	Report from mPING: Half Dollar (1.25 in.).
2026-07-27	1 ENE Carol Stream, IL	Severe	1.75"	Quarter size hail in Carol Stream. Location approximate.
2026-07-27	1 E Glendale Heights, IL	Severe	1.50"	Relayed via mping.
2026-07-27	1 S Hanover Park, IL	Significant	1.00"	Public report of quarter size hail relayed via mping.
2026-07-27	1 W Medinah, IL	Significant	1.00"	Relayed via mping.
2026-07-27	2 SE Wauconda, IL	Significant	1.00"	Relayed via mping. Time estimated by radar.
2026-07-27	1 SE Schaumburg, IL	Significant	1.25"	Report from mPING: Half Dollar (1.25 in.).
2026-07-27	1 W West Dundee, IL	Significant	1.00"	Report from mPING: Quarter (1.00 in.).
2026-07-27	1 S West Dundee, IL	Significant	1.00"	Report from mPING: Quarter (1.00 in.).
2026-07-27	1 SE Schaumburg, IL	Significant	1.00"	Report from mPING: Quarter (1.00 in.).
2026-07-27	1 NW West Ridge - Chica, IL	Significant	1.00"	A brief period of 1-inch diameter hail near Kedzie and Touhy. Time estimated from radar.
2026-07-27	1 NE Bristol, WI	Significant	1.00"	Delayed report: Via social media quarter in hail reported between the interstate and CTH D on Hwy 50. Time estimated based on radar.
2026-07-27	2 SW Kenosha, WI	Significant	1.00"	Report from mPING: Quarter (1.00 in.) Time confirmed from radar.
2026-07-27	4 NE Pleasant Prairie, WI	Significant	1.25"	Report from mPING: Half Dollar (1.25 in.). Time confirmed from radar.
2026-06-24	ALGONQUIN, IL	Significant	1.00"	—
2026-06-24	ALGONQUIN, IL	Significant	1.00"	—
2026-06-24	ALGONQUIN, IL	Significant	1.00"	Multiple reports of quarter size hail were received from Algonquin.
2026-06-24	Algonquin, IL	Significant	1.00"	Multiple public reports of quarter size hail near Algonquin. Relayed via mping.
2026-06-24	HUNTLEY, IL	Significant	1.00"	—

Wind Storm History — Mundelein Area (Last 5 Years)

NOAA has recorded 446 high-wind events within 25 miles of Mundelein, IL in the past five years. Of those, 444 reached severe-thunderstorm thresholds (58+ mph). The highest measured gust was 90 mph.

Severity	Count
Severe	147 events
Significant	297 events
Moderate	2 events

Recent Wind Events Near Mundelein

Date	Location	Gust (mph)	Severity	NOAA Comments
2026-08-11	1 SSE South Barrington, IL	81	Severe	Private weather station.
2026-07-27	1 NE Bensenville, IL	62	Significant	ASOS site ORD Chicago Ohare Airport reported 62 mph peak gust.
2026-07-27	North Park - Chicago, IL	59	Significant	Private weather station KILCHICA929 reported 59 mph gust.
2026-07-27	1 SSE South Barrington, IL	55	Significant	Private weather station KILHOFFM60 reported 55 mph gust.
2026-07-27	1 N West Dundee, IL	54	Significant	Private weather station KILCARPE8 reported 54 mph gust.
2026-07-27	1 SW Beach Park, IL	82	Severe	The KUGN ASOS measured a peak wind gust of 82 mph at 3:43pm out of the northeast. Extensive damage was noted around Waukegan including snapped and uprooted trees.
2026-07-27	1 SSE Lake Bluff, IL	55	Significant	Private weather station reported 55 mph gust near Lake Forest Cemetery.
2026-07-27	Waukegan, IL	55	Significant	Measured at the Waukegan Airport.
2026-07-03	Ohare Airport, IL	63	Significant	Peak wind gust of 55 kt measured at runway sensor 27 left. Peak gust of 47 kt at ASOS.
2026-07-03	Ohare Airport, IL	53	Significant	Peak wind gust of 53 mph measured at ORD.
2026-07-03	2 NNE Hanover Park, IL	56	Significant	Personal weather station measured wind gusts as storms passed over just east of Streamwood, IL.
2026-07-03	1 ENE Prospect Heights, IL	61	Significant	Peak wind gust of 53 kt.
2026-07-03	1 WSW Wheeling, IL	60	Significant	Personal weather station peak wind gust of 59.8 mph.
2026-07-03	3 N Pleasant Prairie, WI	58	Significant	ASOS measure 50 kts.
2026-06-28	1 SE Wheeling, IL	45	Moderate	Measured at KPWK.
2026-06-24	HANOVER PARK, IL	58	Significant	Tree limbs, fence posts and fence panels were blown down. A six inch diameter tree limb was blown down on Ring Court. A nearby personal weather station measured a wind gust to 58 mph.
2026-06-24	CLOVERDALE, IL	58	Significant	Tree limbs were blown down onto Schick Road near Springfield Drive.
2026-06-24	1 S Hanover Park, IL	58	Significant	Private weather station KILHANOVI2 measured a wind gust to 58 mph.
2026-06-24	BARTLETT, IL	81	Severe	Trees, tree limbs and power lines were blown down in Bartlett with at least one tree that fell on a garage. A photo showed numerous large tree limbs blown down at the Bartlett Hills Golf Course with one large tree snapped at its base. A large oak tree estimated to be 250 years old was blown down near North Avenue and Eastern Avenue.
2026-06-24	HANOVER PARK, IL	63	Significant	A large tree limb was snapped and fell onto multiple parked vehicles. Other tree limbs were blown down nearby.

Frequently Asked Questions About Mundelein Hail

When was the last major hail storm in Mundelein, IL?

The most recent quarter-size-or-larger hail storm recorded by NOAA within 25 miles of Mundelein was on August 10, 2026. HailCheck refreshes from the NOAA Storm Events database daily, so newer events appear here as they are reported.

How often does it hail in Mundelein?

Mundelein averages roughly 29 reported hail events per year within a 25-mile radius. Significant storms (quarter-size or larger) account for 142 of the 144 events recorded over the last five years.

How big does hail typically get in Mundelein?

The largest documented hail near Mundelein in the last five years was egg-sized. Most Mundelein-area hail falls in the marble-to-quarter range, with destructive storms (egg-size or larger) appearing roughly once every few years.

Does my insurance cover hail damage in IL?

Most homeowners insurance policies in IL cover hail damage to roofs, siding, and gutters under the dwelling and other-structures coverage. Coverage typically requires the damage to be tied to a verifiable storm date — which is where the NOAA hail history above (and a HAAG-style test square validation) becomes important for the claim file.

How do I check hail history for a specific Mundelein address?

Use the HailCheck address search to enter any street address in or near Mundelein. HailCheck returns every NOAA hail event within a configurable radius, along with severity bands, dates, and storm narratives for Pro members.

What a HAAG-Style Test Square Validation Means in Mundelein

If your property in or near Mundelein took on hail during one of the storms above, the standard process for documenting damage is a 10×10 foot test square inspection. A HAAG-trained reviewer counts impact indicators — granule displacement, mat fractures, and bruising — within the marked square and produces a PASS or FAIL document for the claim file.

HailCheck offers a $99 photo-based HAAG-style test square validation. You submit photos from the field, our reviewer evaluates the impact indicators and cross-references the NOAA storm dates listed above, and a written PASS/FAIL determination is returned within one business day. We do not send anyone to the roof — the validation is built around the photos you submit.

Learn About $99 HAAG-Style Validation

Why Mundelein's Location Matters for Hail

Mundelein sits east of the traditional hail alley, where hail events are less frequent than the central plains but tend to be associated with strong squall lines and tropical systems. Local roof systems are less commonly hardened for hail, which can mean even moderate impacts produce claim-worthy damage.