County Hazards

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Winter in Will County, Illinois

59 winter storms and snow events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Winter Storm, Winter Weather, Heavy Snow, Blizzard, Ice Storm, Lake-Effect Snow, Sleet.

59 events · 1 deaths recorded · peak month January · county share of state 0.7%

Winter event locations in and around Will County. Boundaries: US Census Bureau.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.

Will County, Illinois, has 59 winter events in the NCEI record since 1950, with at least one in 21 different years.

January is the busiest month, with 19 of the recorded events. The last 20 years account for 42 events against 17 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 0.7% of the 8,149 winter events recorded in Illinois; its 7.1 per 100 square miles compares with 14.7 statewide.

NCEI attributes 1 death in the county to winter storms and snow.

Some winter weather and high wind events are recorded by NWS forecast zone rather than by county; zone-recorded events whose zone is named for the county are included and marked "Forecast zone" in the table.

Compared with Illinois

MeasureWill CountyIllinoisUS
Winter events since 1950598,149287,339
Per 100 square miles7.114.78.1
Per 10,000 residents0.86.48.7
Deaths recorded11162,509
Busiest monthJanuaryJanuaryJanuary

By year

195019882026
Winter events recorded in Will County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
19
Feb
17
Mar
5
Apr
0
May
0
Jun
0
Jul
0
Aug
0
Sep
0
Oct
1
Nov
2
Dec
15
Winter events in Will County by month of occurrence, all years.

Recorded events

All 59 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
29 Dec 2020Winter Weather—————Forecast zone
31 Oct 2019Winter Weather—————Forecast zone
17 Feb 2019Winter Weather—————Forecast zone
11 Feb 2019Ice Storm—————Forecast zone
5 Feb 2019Winter Weather—————Forecast zone
22 Jan 2019Winter Weather—————Forecast zone
29 Dec 2018Winter Weather—————Forecast zone
8 Feb 2018Winter Storm—————Forecast zone
24 Jan 2018Winter Weather—$500K———Forecast zone
4 Dec 2016Heavy Snow—————Forecast zone
24 Feb 2016Heavy Snow—————Forecast zone
28 Dec 2015Sleet—————Forecast zone
20 Nov 2015Heavy Snow—————Forecast zone
1 Feb 2015Heavy Snow—————Forecast zone
11 Mar 2014Heavy Snow—————Forecast zone
17 Feb 2014Heavy Snow—————Forecast zone
4 Feb 2014Heavy Snow—————Forecast zone
1 Feb 2014Heavy Snow—————Forecast zone
26 Jan 2014Winter Storm—————Forecast zone
4 Jan 2014Heavy Snow—————Forecast zone
2 Jan 2014Lake-Effect Snow—————Forecast zone
5 Mar 2013Winter Storm—————Forecast zone
20 Jan 2012Winter Storm—————Forecast zone
12 Jan 2012Winter Storm—————Forecast zone
1 Feb 2011Blizzard—$250K———Forecast zone
11 Dec 2010Winter Storm—————Forecast zone
8 Feb 2010Winter Storm—————Forecast zone
7 Jan 2010Winter Storm—————Forecast zone
23 Dec 2009Ice Storm—————Forecast zone
14 Jan 2009Winter Storm—————Forecast zone
21 Dec 2008Blizzard—————Forecast zone
18 Dec 2008Winter Storm—————Forecast zone
25 Feb 2008Winter Storm—————Forecast zone
1 Feb 2008Winter Storm—————Forecast zone
31 Jan 2008Winter Storm—————Forecast zone
29 Jan 2008Winter Storm—————Forecast zone
31 Dec 2007Heavy Snow—————Forecast zone
15 Dec 2007Heavy Snow—————Forecast zone
1 Dec 2007Ice Storm—————Forecast zone
25 Feb 2007Winter Storm—————Forecast zone
13 Feb 2007Blizzard—————Forecast zone
6 Feb 2007Winter Storm———1—Forecast zone
1 Dec 2006Winter Storm—————Forecast zone
30 Nov 2006Winter Storm—————Forecast zone
8 Dec 2005Winter Storm—————Forecast zone
21 Jan 2005Heavy Snow—————Forecast zone
4 Jan 2005Heavy Snow—————Forecast zone
4 Jan 2004Heavy Snow—————Forecast zone
4 Mar 2003Winter Storm—————Forecast zone
2 Mar 2002Winter Storm—————Forecast zone
30 Jan 2002Winter Storm—————Forecast zone
11 Dec 2000Blizzard—————Forecast zone
18 Feb 2000Heavy Snow—————Forecast zone
19 Jan 2000Heavy Snow—————Forecast zone
8 Mar 1999Heavy Snow—————Forecast zone
1 Jan 1999Heavy Snow—————Forecast zone
9 Dec 1997Heavy Snow—————Forecast zone
15 Jan 1997Winter Storm—————Forecast zone
9 Jan 1997Winter Storm—————Forecast zone

Questions and answers

How many winter events has Will County had?

59 events in the NCEI Storm Events record between 1950 and 2026. Reporting of winter storms and snow became far more complete after 1996, so early decades undercount.

When was the last recorded winter event in Will County?

29 Dec 2020 (Winter Weather). Records reach NCEI about 120 days after the month ends.

What was the most damaging winter event recorded in Will County?

The winter weather of 24 Jan 2018, with property damage estimated by NCEI at $500K.

How does Will County compare with Illinois for winter?

7.1 events per 100 square miles against 14.7 statewide; the county holds 59 of the state's 8,149 recorded events.

Provenance

NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 30 Sep 2026. See the methodology, the Winter hub and the county page.