Hail events in McHenry County, Illinois The hail events on record, by date and by year

This page is a county record of past events and claims. It does not show the flood zone or the risk of an address. For the flood map of an address, use FEMA's address search (opens in a new tab).

NCEI has 196 hail events on record for McHenry County, Illinois, from 1955 through 30 Jun 2026.

The newest hail event on record is on 24 Jun 2026.

From 2016 through 2025, NCEI has 32 hail events on record for the county.

The NWS collects event reports from a variety of sources, which include (but are not limited to): county, state, and federal emergency management officials, local law enforcement officials, SKYWARN spotters, NWS damage surveys, newspaper clipping services, the insurance industry, and the general public, among others.
The National Weather Service reports property and crop damage estimates using available data at the time of event reporting. These values should therefore be considered broad estimates. Damage amounts are not adjusted for inflation.
The words of the agency. Source: NOAA NCEI, Storm Events Database, page "Frequently Asked Questions", copied on 2 Oct 2026.

Date of the data: NCEI storm events through 30 Jun 2026. Event types on this page: Hail.

Newest hail events on record

Jun 24 2026

Hail1.00 in, quarter size

1 mile SSW of LAKE IN THE HILLS

Hail1.00 in, quarter size

At ALGONQUIN

Hail1.50 in, ping-pong ball size

2 miles ENE of HUNTLEY

Hail1.00 in, quarter size

1 mile NE of HUNTLEY

Apr 15 2026

Hail1.00 in, quarter size

1 mile SE of BIG FOOT

Apr 14 2026

Hail1.00 in, quarter size

1 mile NE of HUNTLEY

Aug 16 2025

Hail1.25 in, half dollar size

1 mile NW of FOX RIVER GROVE

Hail1.50 in, ping-pong ball size

1 mile SW of PORT BARRINGTON

Hail1.00 in, quarter size

1 mile SE of WOODSTOCK

Aug 27 2024

Hail1.00 in, quarter size

1 mile W of MCHENRY

Hail1.75 in, golf ball size

2 miles S of WOODSTOCK

Hail2.50 in, tennis ball size

2 miles S of WOODSTOCK

Hail1.00 in, quarter size

2 miles SSE of HARTLAND

Hail1.75 in, golf ball size

4 miles N of MARENGO

Jun 25 2024

Hail1.00 in, quarter size

2 miles WNW of WOODSTOCK

Hail1.00 in, quarter size

2 miles W of WOODSTOCK

Hail1.00 in, quarter size

1 mile N of FRANKLINVILLE

Feb 27 2024

Hail1.00 in, quarter size

1 mile NW of HUNTLEY

Jun 29 2023

Hail1.00 in, quarter size

4 miles W of MARENGO

Apr 4 2023

Hail1.00 in, quarter size

1 mile SE of ALGONQUIN

Jul 22 2022

Hail1.00 in, quarter size

1 mile W of MCHENRY

Sep 7 2021

Hail1.50 in, ping-pong ball size

At WOODSTOCK

Hail1.00 in, quarter size

1 mile N of JOHNSBURG

Hail1.00 in, quarter size

At SPRING GROVE

Hail1.00 in, quarter size

2 miles ENE of RICHMOND

A place is the text of the NCEI record: a distance and a direction from a reference place. The site does not show a place text that names a private property or reads as a person. Hail size is in inches, with the object that NCEI names for that size.

Hail events by year

Hail events on record for McHenry County by year, 1950 to 2026
Decade	Year that ends in 0	Year that ends in 1	Year that ends in 2	Year that ends in 3	Year that ends in 4	Year that ends in 5	Year that ends in 6	Year that ends in 7	Year that ends in 8	Year that ends in 9	All
1950s	0	0	0	0	0	0	0	0	0	0	0
1960s	0	0	0	0	0	0	0	0	0	0	0
1970s	0	0	1	1	0	2	0	0	0	0	4
1980s	2	0	0	0	1	0	0	2	1	0	6
1990s	0	3	0	1	0	0	2	1	1	1	9
2000s	10	3	0	4	4	7	11	1	16	5	61
2010s	5	20	11	7	19	16	3	4	2	1	88
2020s	2	5	1	2	9	3	6 (part of the year)				28

A darker cell has a larger count. The number is in each cell.

Hail events are on record from 1955. The year 2026 has the events through 30 Jun 2026 only.

By month, all years

Jan0 events
Feb1 event
Mar20 events
Apr37 events
May47 events
Jun31 events
Jul23 events
Aug21 events
Sep11 events
Oct5 events
Nov0 events
Dec0 events

Magnitudes on record

Hail events on record for McHenry County by hail size
Hail size	Size in words	Events
under 1 in	pea to quarter	80
1 to 1.74 in	quarter to golf ball	95
1.75 to 2.74 in	golf ball to baseball	19
2.75 to 3.99 in	baseball to softball	2
4 in and larger	softball and larger	0

When listing hail size under Magnitude, e.g., 2.25 in., the hail size is given in inches and hundredths of inches. These values are assigned a size in inches from their appearance.

The words of the agency. Source: NOAA NCEI, Storm Events Database, page "Frequently Asked Questions", copied on 2 Oct 2026.

An event without a size in the record is not in this table.

Beside the other counties

Hail events on record: McHenry County beside the total of the counties of Illinois and of the United States
Measure	McHenry	All counties of Illinois	All counties of the United States
Hail events, 1955 to 2026	196	12,294	423,723
Events for each 100 square miles	32.5	22.1	12.0
Events for each 10,000 residents	6.3	9.7	12.8

The columns for the state and the United States total the counties. They count the events of each county in the same way as the county column. A forecast zone with another name than a county counts for the state only.

More hail events on record

Hail events on record for McHenry County, newest first, without the 25 newest events above
Date	Event type	Magnitude	Damage estimate	On record for
7 Sep 2021	Hail	1.50 in	none	County
7 Apr 2020	Hail	1.00 in	none	County
7 Apr 2020	Hail	1.00 in	none	County
1 Jun 2019	Hail	1.00 in	none	County
2 May 2018	Hail	2.75 in	none	County
2 May 2018	Hail	2.25 in	none	County
16 Jul 2017	Hail	1.75 in	none	County
12 Jul 2017	Hail	0.75 in	none	County
10 Apr 2017	Hail	1.25 in	none	County
10 Apr 2017	Hail	1.00 in	none	County
22 Jun 2016	Hail	0.75 in	none	County
25 Apr 2016	Hail	1.00 in	none	County
25 Apr 2016	Hail	1.25 in	none	County
3 Sep 2015	Hail	0.88 in	none	County
10 Aug 2015	Hail	0.75 in	none	County
2 Aug 2015	Hail	1.00 in	none	County
2 Aug 2015	Hail	1.00 in	none	County
2 Aug 2015	Hail	1.25 in	none	County
2 Aug 2015	Hail	1.75 in	none	County
2 Aug 2015	Hail	1.50 in	none	County
13 Jul 2015	Hail	1.50 in	none	County
8 Jun 2015	Hail	0.88 in	none	County
9 Apr 2015	Hail	1.00 in	none	County
9 Apr 2015	Hail	0.88 in	none	County
9 Apr 2015	Hail	0.88 in	none	County
9 Apr 2015	Hail	1.00 in	none	County
9 Apr 2015	Hail	1.00 in	none	County
9 Apr 2015	Hail	1.00 in	none	County
8 Apr 2015	Hail	1.00 in	none	County
17 Jun 2014	Hail	0.75 in	none	County
20 May 2014	Hail	0.88 in	none	County
12 May 2014	Hail	1.00 in	none	County
11 May 2014	Hail	0.88 in	none	County
11 May 2014	Hail	1.25 in	none	County
11 May 2014	Hail	1.00 in	none	County
11 May 2014	Hail	0.88 in	none	County
11 May 2014	Hail	0.75 in	none	County
12 Apr 2014	Hail	1.00 in	none	County
12 Apr 2014	Hail	1.00 in	none	County
12 Apr 2014	Hail	1.00 in	none	County
12 Apr 2014	Hail	1.75 in	none	County
12 Apr 2014	Hail	1.50 in	none	County
12 Apr 2014	Hail	1.25 in	none	County
12 Apr 2014	Hail	1.50 in	none	County
12 Apr 2014	Hail	2.00 in	none	County
12 Apr 2014	Hail	0.88 in	none	County
12 Apr 2014	Hail	1.00 in	none	County
12 Apr 2014	Hail	0.75 in	none	County
5 Oct 2013	Hail	0.75 in	none	County
30 Aug 2013	Hail	1.00 in	none	County
30 Aug 2013	Hail	0.88 in	none	County
30 Aug 2013	Hail	1.75 in	none	County
20 Jul 2013	Hail	2.75 in	none	County
12 Jun 2013	Hail	1.00 in	none	County
17 Apr 2013	Hail	1.00 in	none	County
26 May 2012	Hail	0.88 in	none	County
26 May 2012	Hail	0.75 in	none	County
26 May 2012	Hail	0.75 in	none	County
20 May 2012	Hail	1.00 in	none	County
20 May 2012	Hail	1.00 in	none	County
20 May 2012	Hail	1.00 in	none	County
17 Mar 2012	Hail	0.88 in	none	County
17 Mar 2012	Hail	1.00 in	none	County
17 Mar 2012	Hail	0.75 in	none	County
17 Mar 2012	Hail	0.75 in	none	County
17 Mar 2012	Hail	1.00 in	none	County
20 Aug 2011	Hail	0.88 in	none	County
19 Jun 2011	Hail	0.75 in	none	County
19 Jun 2011	Hail	1.25 in	none	County
12 May 2011	Hail	1.00 in	none	County
11 May 2011	Hail	1.00 in	none	County
11 May 2011	Hail	1.00 in	none	County
11 May 2011	Hail	1.50 in	$5 thousand	County
11 May 2011	Hail	1.00 in	none	County
11 May 2011	Hail	0.88 in	none	County
11 May 2011	Hail	1.50 in	none	County
11 May 2011	Hail	1.00 in	none	County
11 May 2011	Hail	0.88 in	none	County
20 Mar 2011	Hail	0.75 in	none	County
20 Mar 2011	Hail	0.75 in	none	County
20 Mar 2011	Hail	1.00 in	none	County
20 Mar 2011	Hail	0.75 in	none	County
20 Mar 2011	Hail	1.00 in	none	County
20 Mar 2011	Hail	1.00 in	none	County
20 Mar 2011	Hail	0.88 in	none	County
20 Mar 2011	Hail	0.88 in	none	County
21 Sep 2010	Hail	0.88 in	none	County
21 Sep 2010	Hail	0.88 in	none	County
13 Aug 2010	Hail	0.88 in	none	County
6 Apr 2010	Hail	1.00 in	none	County
5 Apr 2010	Hail	1.00 in	none	County
22 Jul 2009	Hail	0.88 in	none	County
19 Jun 2009	Hail	1.75 in	none	County
19 Jun 2009	Hail	1.00 in	none	County
1 Jun 2009	Hail	0.88 in	none	County
13 May 2009	Hail	0.75 in	none	County
2 Jul 2008	Hail	0.75 in	none	County
2 Jul 2008	Hail	0.88 in	none	County
2 Jul 2008	Hail	0.88 in	none	County
2 Jul 2008	Hail	1.00 in	none	County
2 Jul 2008	Hail	0.75 in	none	County
2 Jul 2008	Hail	0.75 in	none	County
2 Jul 2008	Hail	0.88 in	none	County
2 Jul 2008	Hail	0.88 in	none	County
2 Jul 2008	Hail	0.88 in	none	County
2 Jul 2008	Hail	1.00 in	$50 thousand	County
20 Jun 2008	Hail	0.88 in	none	County
20 Jun 2008	Hail	0.88 in	none	County
20 Jun 2008	Hail	1.00 in	none	County
20 Jun 2008	Hail	0.88 in	none	County
20 Jun 2008	Hail	0.75 in	none	County
8 Jun 2008	Hail	0.88 in	none	County
7 Jun 2007	Hail	0.75 in	none	County
2 Oct 2006	Hail	0.88 in	none	County
2 Oct 2006	Hail	1.50 in	$75 thousand	County
22 Jul 2006	Hail	0.75 in	none	County
17 Jul 2006	Hail	0.88 in	none	County
17 Jul 2006	Hail	0.88 in	none	County
17 Jul 2006	Hail	0.88 in	none	County
25 Jun 2006	Hail	0.88 in	none	County
17 May 2006	Hail	1.00 in	none	County
13 Apr 2006	Hail	1.00 in	$5 thousand	County
13 Apr 2006	Hail	1.00 in	none	County
13 Apr 2006	Hail	1.00 in	none	County
22 Sep 2005	Hail	0.88 in	none	County
22 Sep 2005	Hail	1.00 in	none	County
19 May 2005	Hail	0.88 in	none	County
19 May 2005	Hail	0.88 in	none	County
19 May 2005	Hail	1.75 in	none	County
19 May 2005	Hail	1.25 in	none	County
30 Mar 2005	Hail	0.75 in	none	County
23 Jun 2004	Hail	0.75 in	none	County
21 May 2004	Hail	0.88 in	none	County
1 Mar 2004	Hail	1.00 in	none	County
1 Mar 2004	Hail	0.75 in	none	County
6 Jul 2003	Hail	1.00 in	none	County
30 May 2003	Hail	1.00 in	none	County
10 May 2003	Hail	0.88 in	none	County
19 Mar 2003	Hail	0.75 in	none	County
24 Oct 2001	Hail	0.88 in	none	County
23 Oct 2001	Hail	1.00 in	none	County
3 Sep 2001	Hail	0.75 in	none	County
18 May 2000	Hail	1.25 in	none	County
18 May 2000	Hail	0.75 in	none	County
18 May 2000	Hail	1.00 in	none	County
18 May 2000	Hail	1.00 in	none	County
18 May 2000	Hail	1.00 in	none	County
18 May 2000	Hail	0.75 in	none	County
18 May 2000	Hail	0.75 in	none	County
18 May 2000	Hail	0.75 in	none	County
18 May 2000	Hail	1.75 in	none	County
18 May 2000	Hail	0.75 in	none	County
16 May 1999	Hail	1.75 in	none	County
12 May 1998	Hail	0.75 in	none	County
3 Aug 1997	Hail	1.00 in	none	County
12 Apr 1996	Hail	1.75 in	none	County
12 Apr 1996	Hail	1.75 in	none	County
23 Aug 1993	Hail	0.75 in	none	County
27 Mar 1991	Hail	0.88 in	none	County
27 Mar 1991	Hail	0.88 in	none	County
27 Mar 1991	Hail	1.00 in	none	County
22 Apr 1988	Hail	1.75 in	none	County
26 Jul 1987	Hail	2.00 in	none	County
11 May 1987	Hail	1.75 in	none	County
22 Jun 1984	Hail	1.00 in	none	County
20 Jul 1980	Hail	1.50 in	none	County
6 Jun 1980	Hail	0.75 in	none	County
4 Jun 1975	Hail	1.50 in	none	County
20 May 1975	Hail	1.75 in	none	County
16 Jun 1973	Hail	0.75 in	none	County
12 Apr 1972	Hail	0.00 in	none	County

The table has all other events on record. A damage figure is an estimate in the NCEI record.

Official channels

NCEI Storm Events Database (opens in a new tab)Search the full NCEI record by state, county and date.
National Weather Service: Chicago, IL (opens in a new tab)The forecast office that issues the weather warnings for the county.
FEMA Flood Map Service Center: Search By Address (opens in a new tab)Search an address to see its flood map. This site has no flood-zone data.

These links open the pages of the agencies. The site checked the links on 2 Oct 2026.

Cite this page

County Hazards. "Hail events on record for McHenry County, Illinois". https://countyhazards.com/county/il/mchenry/hail/. Data: NOAA NCEI Storm Events Database through 30 Jun 2026. Page made on 2 Oct 2026.

Questions

Which month has the most hail events on record for McHenry County?: May has 47 of the 196 hail events on record from 1955 through 30 Jun 2026.
How many hail events are on record for Illinois?: NCEI has 12,331 hail events on record for Illinois from 1955 through 30 Jun 2026. That count has every forecast zone of the state.
How does McHenry County compare with the other counties of Illinois?: The counties of Illinois have 22.1 hail events for each 100 square miles. McHenry County has 32.5.
How large is the hail on record for McHenry County?: 21 hail events have a size of 1.75 inches or more. NCEI names 1.75 inches a golf ball.