County Hazards

States › Illinois › Lake County › Winter

Winter in Lake County, Illinois

96 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.

96 events · 5 deaths recorded · peak month January · county share of state 1.2%

Winter event locations in and around Lake 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.

NCEI records 96 winter events in Lake County, Illinois, between 1950 and 2026, spread over 28 years.

January is the busiest month, with 33 of the recorded events. The last 20 years account for 79 events against 17 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 1.2% of the 8,149 winter events recorded in Illinois; its 21.6 per 100 square miles compares with 14.7 statewide.

NCEI attributes 5 deaths 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

MeasureLake CountyIllinoisUS
Winter events since 1950968,149287,339
Per 100 square miles21.614.78.1
Per 10,000 residents1.36.48.7
Deaths recorded51162,509
Busiest monthJanuaryJanuaryJanuary

By year

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

Seasonality

Jan
33
Feb
26
Mar
11
Apr
2
May
0
Jun
0
Jul
0
Aug
0
Sep
0
Oct
1
Nov
6
Dec
17
Winter events in Lake County by month of occurrence, all years.

Recorded events

All 96 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
15 Mar 2026Winter Weather—————Forecast zone
25 Jan 2026Winter Weather—————Forecast zone
14 Jan 2026Winter Weather—————Forecast zone
29 Dec 2025Winter Weather—————Forecast zone
6 Dec 2025Winter Storm—————Forecast zone
29 Nov 2025Winter Storm—————Forecast zone
9 Nov 2025Winter Storm—————Forecast zone
12 Feb 2025Winter Weather—————Forecast zone
5 Feb 2025Winter Weather—————Forecast zone
22 Mar 2024Winter Storm—————Forecast zone
22 Jan 2024Winter Weather—————Forecast zone
13 Jan 2024Winter Weather—————Forecast zone
12 Jan 2024Winter Storm—————Forecast zone
8 Jan 2024Winter Weather—————Forecast zone
9 Mar 2023Winter Storm—————Forecast zone
22 Feb 2023Ice Storm—————Forecast zone
16 Feb 2023Winter Weather—————Forecast zone
28 Jan 2023Winter Storm—————Forecast zone
22 Dec 2022Winter Storm—————Forecast zone
24 Feb 2022Winter Weather—————Forecast zone
22 Feb 2022Winter Weather—————Forecast zone
18 Feb 2022Winter Weather—————Forecast zone
7 Feb 2022Winter Weather—————Forecast zone
22 Jan 2022Winter Weather—————Forecast zone
8 Jan 2022Winter Weather—————Forecast zone
1 Jan 2022Winter Storm—————Forecast zone
15 Feb 2021Winter Storm—————Forecast zone
4 Feb 2021Winter Weather—————Forecast zone
30 Jan 2021Winter Storm—————Forecast zone
25 Jan 2021Winter Storm—————Forecast zone
19 Jan 2021Winter Weather—————Forecast zone
1 Jan 2021Winter Weather—————Forecast zone
29 Dec 2020Winter Weather—————Forecast zone
11 Jan 2020Winter Weather—————Forecast zone
31 Oct 2019Winter Weather—————Forecast zone
27 Apr 2019Winter Weather—————Forecast zone
14 Apr 2019Winter Storm—————Forecast zone
17 Feb 2019Winter Weather—————Forecast zone
11 Feb 2019Ice Storm—————Forecast zone
5 Feb 2019Ice Storm—————Forecast zone
27 Jan 2019Winter Storm———1—Forecast zone
22 Jan 2019Winter Weather—————Forecast zone
18 Jan 2019Winter Storm———1—Forecast zone
25 Nov 2018Winter Storm—————Forecast zone
8 Feb 2018Winter Storm—————Forecast zone
13 Mar 2017Lake-Effect Snow—————Forecast zone
4 Dec 2016Heavy Snow—————Forecast zone
28 Dec 2015Sleet—————Forecast zone
20 Nov 2015Heavy Snow—————Forecast zone
1 Feb 2015Blizzard—————Forecast zone
4 Feb 2014Heavy Snow—————Forecast zone
20 Jan 2014Lake-Effect Snow—————Forecast zone
2 Jan 2014Lake-Effect Snow—————Forecast zone
5 Mar 2013Winter Storm—————Forecast zone
26 Feb 2013Heavy Snow—————Forecast zone
7 Feb 2013Heavy Snow—————Forecast zone
23 Feb 2012Winter Storm—————Forecast zone
20 Jan 2012Winter Storm—————Forecast zone
1 Feb 2011Blizzard———3—Forecast zone
25 Dec 2010Lake-Effect Snow—————Forecast zone
11 Dec 2010Winter Storm—————Forecast zone
9 Feb 2010Winter Storm—————Forecast zone
7 Jan 2010Winter Storm—————Forecast zone
26 Dec 2009Winter Storm—————Forecast zone
28 Mar 2009Winter Storm—————Forecast zone
9 Jan 2009Winter Storm—————Forecast zone
19 Dec 2008Winter Storm—————Forecast zone
21 Mar 2008Winter Storm—————Forecast zone
5 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
11 Dec 2007Ice Storm—————Forecast zone
4 Dec 2007Winter Storm—————Forecast zone
1 Dec 2007Ice Storm—$1K———Forecast zone
25 Feb 2007Blizzard—————Forecast zone
13 Feb 2007Blizzard—————Forecast zone
1 Dec 2006Winter Storm—————Forecast zone
30 Nov 2006Winter Storm—————Forecast zone
20 Jan 2006Winter Storm—————Forecast zone
21 Jan 2005Heavy Snow—————Forecast zone
4 Jan 2005Heavy Snow—————Forecast zone
4 Mar 2003Winter Storm—————Forecast zone
2 Mar 2002Winter Storm—————Forecast zone
31 Jan 2002Winter Storm—————Forecast zone
11 Dec 2000Blizzard—————Forecast zone
18 Feb 2000Heavy Snow—————Forecast zone
8 Mar 1999Heavy Snow—————Forecast zone
1 Jan 1999Heavy Snow—————Forecast zone
9 Mar 1998Heavy Snow—————Forecast zone
8 Jan 1998Heavy Snow—————Forecast zone
14 Nov 1997Heavy Snow—————Forecast zone
15 Jan 1997Winter Storm—————Forecast zone
9 Jan 1997Winter Storm—————Forecast zone

Questions and answers

How many winter events has Lake County had?

96 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 Lake County?

15 Mar 2026 (Winter Weather). Records reach NCEI about 120 days after the month ends.

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

The ice storm of 1 Dec 2007, with property damage estimated by NCEI at $1K.

How does Lake County compare with Illinois for winter?

21.6 events per 100 square miles against 14.7 statewide; the county holds 96 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 1 Oct 2026. See the methodology, the Winter hub and the county page.