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NHC HURDAT2 · SPC Tornado Database

Hurricanes and Tornadoes That Hit Great Lakes, IL

Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.

Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated

1 tropical system has passed within 75 miles of Great Lakes, Illinois since 1851, 0 of them at hurricane strength; the most recent was an unnamed storm in 1900. Since 1950, 64 tornadoes have touched down within 25 miles, 4 of them rated EF3 or stronger.

Hurricanes
0

within 75 mi, since 1851

Tropical storms
1

below hurricane strength

Tornadoes
64

within 25 mi, since 1950

EF3 or stronger
4

11 deaths in all

What the records show for Great Lakes

None of the 1 tropical systems was at hurricane strength as it passed Great Lakes; the strongest was an unnamed storm in 1900, a tropical storm with 59 mph winds when its centre passed 28 miles away. Of the 548 Illinois cities on this site, 57% have more tropical storms and hurricanes within 75 miles than Great Lakes. The highest rating among the 64 tornadoes within 25 miles is F4, reached 3 times; the most recent, on September 28, 1972, passed within a mile of the city centre. The deadliest, an F4 on April 11, 1965, killed 6 people. Of the 64, 4 had paths within 5 miles of the city centre, and 26 have come since 2000. June has had the most tornadoes, 14. The most recent tornado was on July 15, 2024. Of the 548 Illinois cities, 99% have more tornadoes within 25 miles than Great Lakes. Hail has been reported within 10 miles 73 times since 1967, with stones up to 2.75 inches (baseball size). Of the 548 Illinois cities, 64% have more hail reports within 10 miles than Great Lakes.

Compare Great Lakes's storm record with another city →

Tropical storms and hurricanes near Great Lakes

Tropical systems that passed within 75 miles of Great Lakes, Illinois, newest first
YearStormClosestStrength when closestPeak
1900Unnamed 1900 stormSep 1128 miTropical storm (59 mph)Category 4

Strength is the sustained wind on the track at the closest point, which is not the wind felt in Great Lakes: a hurricane's worst winds sit within a few dozen miles of its centre, and inland cities are usually past that.

Tornadoes within 25 miles of Great Lakes

By decade

  • 2020s15
  • 2010s5
  • 2000s6(1 EF3+)
  • 1990s5
  • 1980s2
  • 1970s14(1 EF3+)
  • 1960s9(2 EF3+)
  • 1950s8
Strongest tornadoes near Great Lakes, Illinois
DateRatingDistancePathKilled / injured
Apr 11, 1965F417 mi9.1 mi6 / 75
Apr 21, 1967F414 mi8.8 mi1 / 100
Sep 28, 1972F4in town5.2 mi0 / 20
Jan 7, 2008EF325 mi10.78 mi0 / 15
Mar 12, 1976F217 mi15.1 mi2 / 66
Jun 9, 1966F215 mi2.5 mi1 / 30
Oct 8, 1958F25 mi81 mi1 / 0
May 18, 1997F25 mi6 mi0 / 0
Apr 19, 1996F210 mi2 mi0 / 2
Apr 20, 1976F210 mi0.8 mi0 / 2
Jun 17, 1975F218 mi1.5 mi0 / 0
Aug 25, 1972F220 mi1.8 mi0 / 1

The strongest 12 of 64, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.

Hail in Great Lakes

The Storm Prediction Center has 73 hail reports within 10 miles of Great Lakes since 1967, made on 42 separate days. Of these, 45 were 1 inch across or larger, and 5 reached 2 inches. The largest, 2.75 inches (baseball size), fell on July 18, 1967. The most recent report is from May 15, 2025. April has the most reports, 25.

Source: NOAA Storm Prediction Center severe weather reports, data through 2025.

Weather by month in Great Lakes

The nearest NOAA station with 1991–2020 climate normals is Chicago Waukegan Regional Airport, IL, 7 miles north of Great Lakes at 727 feet. July is the warmest, with an average high of 81°F and low of 62°F; January is the coolest, at 31°F and 16°F. June is the wettest at 4.5 inches of precipitation on average and January the driest at 1.4 inches; the year adds up to 35.5 inches over 67 days with at least a tenth of an inch. Highs reach 90°F on about 9 days a year, almost all from June to August. Lows fall below freezing on about 132 nights a year. That 35.5 inches is more than at 5 of the 146 Illinois stations used on this site (3%). Lake Forest, 5 miles south, has its own station (Chicago Botanic Garden, IL): 39.5 inches a year, 4.0 more than here, and a July average high of 84°F against 81°F.

Monthly climate normals 1991–2020 at Chicago Waukegan Regional Airport, IL
MonthHigh °FLow °FPrecip. inDays ≥ 0.1"
Jan31161.44
Feb34181.53
Mar44272.25
Apr56363.87
May67463.98
Jun77564.57
Jul81623.55
Aug80613.66
Sep73543.66
Oct61433.36
Nov48312.35
Dec36221.94
Year573935.567

Averages for 1991–2020 at Chicago Waukegan Regional Airport, IL (727 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.

Illinois weather by month, station by station →

Floods, thunderstorm wind and lightning near Great Lakes

Since 1996, the National Weather Service has logged 175 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Great Lakes: 112 thunderstorm wind reports, 27 flash floods, 20 floods, 10 heavy rain events and 6 lightning strikes. They killed 1 person and injured 2, and the NWS estimated $904,000 in property and crop damage. The strongest thunderstorm gust on record here was 90 mph, on June 30, 2011. May has had the most flash floods, 9 of 27. Of the 547 Illinois cities on this site with a flash flood on record, 377 have had fewer than Great Lakes.

  • August 7, 2007: thunderstorm wind 10 miles from the centre of Great Lakes — 1 killed, 1 injured.

  • July 22, 2011: lightning strike 10 miles from the centre of Great Lakes — 1 injured.

  • June 30, 2011: thunderstorm wind 9 miles from the centre of Great Lakes — $500,000 damage.

Source: NOAA NCEI Storm Events Database, events whose starting point is on record, 1996 to June 30, 2026. Damage is the NWS estimate in the dollars of the year, not insured losses, and NWS notes that some reports are unverified.

Flood insurance claims, disaster declarations and FEMA risk ratings

Flood insurance policyholders in Great Lakes's ZIP code 60088 have filed 78 claims with the National Flood Insurance Program since 2019, and were paid $272,000 for buildings and contents, in the dollars of each year. The year with the most claims was 2020, with 47. Of the 320 Illinois cities on this site with 10 or more claims, 193 have fewer than Great Lakes.

Lake County, which includes Great Lakes, has been named in 17 federal disaster or emergency declarations since 1965, 11 of them major disasters (by incident: 5 snowstorms, 4 floods, 3 severe storms, 2 biological emergencies). The latest major disaster declaration was Covid-19 Pandemic, on March 26, 2020. FEMA's National Risk Index gives Lake County a Relatively High rating for natural hazard risk overall; by hazard: Very High for tornadoes and strong wind; Relatively High for inland flooding and lightning; Relatively Moderate for hail and heat waves; Very Low for hurricanes and coastal flooding. It models the county's expected loss from all 18 hazards it covers at $266.5 million a year, the 4th highest of 102 Illinois counties; of the hazards above, the largest share, $155.5 million (58%), is from inland flooding.

Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

What counts as a pass, the distances and the sources: how this storm history is built.

Cities near Great Lakes