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NHC HURDAT2 · SPC Tornado Database

Hurricanes and Tornadoes That Hit Oak Forest, 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

2 tropical systems have passed within 75 miles of Oak Forest, Illinois since 1851, 0 of them at hurricane strength; the most recent was an unnamed storm in 1941. Since 1950, 201 tornadoes have touched down within 25 miles, 12 of them rated EF3 or stronger.

Hurricanes
0

within 75 mi, since 1851

Tropical storms
2

below hurricane strength

Tornadoes
201

within 25 mi, since 1950

EF3 or stronger
12

72 deaths in all

What the records show for Oak Forest

None of the 2 tropical systems was at hurricane strength as it passed Oak Forest; the strongest was an unnamed storm in 1941, a tropical storm with 44 mph winds when its centre passed 55 miles away. The record near Oak Forest begins with an unnamed storm in 1932; the most recent system was an unnamed storm in 1941. Oak Forest has more tropical storms and hurricanes within 75 miles than 43% of the 548 Illinois cities on this site. The strongest of the 201 tornadoes within 25 miles was an F5 on August 28, 1990; its path came within 19 miles, and it killed 29 people. The deadliest, an F4 on April 21, 1967, killed 33 people. Of the 201, 9 had paths within 5 miles of the city centre, and 116 have come since 2000. June has had the most tornadoes, 52. The most recent tornado was on March 19, 2025. Oak Forest has more tornadoes within 25 miles than 96% of the 548 Illinois cities. Hail has been reported within 10 miles 169 times since 1956, with stones up to 2 inches (hen egg size). Oak Forest has more hail reports within 10 miles than 73% of the 548 Illinois cities.

Compare Oak Forest's storm record with another city →

Tropical storms and hurricanes near Oak Forest

Tropical systems that passed within 75 miles of Oak Forest, Illinois, newest first
YearStormClosestStrength when closestPeak
1941Unnamed 1941 stormSep 2555 miTropical storm (44 mph)Category 3
1932Unnamed 1932 stormSep 363 miTropical storm (41 mph)Category 1

Strength is the sustained wind on the track at the closest point, which is not the wind felt in Oak Forest: 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 Oak Forest

By decade

  • 2020s65(1 EF3+)
  • 2010s31
  • 2000s20
  • 1990s12(2 EF3+)
  • 1980s19(1 EF3+)
  • 1970s22(4 EF3+)
  • 1960s22(3 EF3+)
  • 1950s10(1 EF3+)
Strongest tornadoes near Oak Forest, Illinois
DateRatingDistancePathKilled / injured
Aug 28, 1990F519 mi16.4 mi29 / 350
Apr 21, 1967F45 mi15 mi33 / 500
Jun 13, 1976F412 mi3.3 mi2 / 23
Jun 29, 1979F423 mi5.4 mi0 / 1
Apr 27, 1984F322 mi9 mi1 / 5
Apr 7, 1954F325 mi42.6 mi1 / 13
Jun 20, 2021EF311 mi17.6 mi0 / 11
Mar 27, 1991F38 mi15 mi0 / 7
Mar 12, 1976F321 mi22.6 mi0 / 3
Jul 17, 1972F323 mi81.5 mi0 / 0
Nov 12, 1965F315 mi4.1 mi0 / 14
Apr 23, 1961F324 mi51.7 mi0 / 4

The strongest 12 of 201, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.

Hail in Oak Forest

The Storm Prediction Center has 169 hail reports within 10 miles of Oak Forest since 1956, made on 80 separate days. Of these, 99 were 1 inch across or larger, and 6 reached 2 inches. The largest size, 2 inches (hen egg size), was reported on 5 days, most recently May 7, 2024. The most recent report is from September 21, 2025. May has the most reports, 54.

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

Radar-estimated hail days in Oak Forest since 2019 →

Weather by month in Oak Forest

The nearest NOAA station with 1991–2020 climate normals is Park Forest, IL, 9 miles southeast of Oak Forest at 710 feet. July is the warmest, with an average high of 84°F and low of 64°F; January is the coolest, at 31°F and 15°F. June is the wettest at 4.9 inches of precipitation on average and February the driest at 2.2 inches; the year adds up to 42.2 inches over 77 days with at least a tenth of an inch. Highs reach 90°F on about 16 days a year, almost all from May to September. Lows fall below freezing on about 125 nights a year. Snowfall averages 28.2 inches a year, most of it in January. That 42.2 inches is more than at 108 of the 146 Illinois stations used on this site (74%). Midlothian, 2 miles northeast, has its own station (Chicago Midway Airport 3SW, IL): 40.9 inches a year, 1.3 less than here, and a July average high of 85°F against 84°F.

Monthly climate normals 1991–2020 at Park Forest, IL
MonthHigh °FLow °FPrecip. inDays ≥ 0.1"Snow in
Jan31152.5610.2
Feb35182.257.5
Mar46282.764.9
Apr59384.080.5
May71494.680.0
Jun80594.970.0
Jul84644.770.0
Aug82624.060.0
Sep76553.460.0
Oct63423.770.2
Nov48313.060.9
Dec36222.564.0
Year594042.27728.2

Averages for 1991–2020 at Park Forest, IL (710 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 Oak Forest

Since 1996, the National Weather Service has logged 420 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Oak Forest: 313 thunderstorm wind reports, 52 floods, 34 flash floods, 18 heavy rain events and 3 lightning strikes. They killed 2 people and injured 16, and the NWS estimated $5.2 million in property and crop damage. The strongest thunderstorm gust on record here was 92 mph, on October 2, 2006. May has had the most flash floods, 10 of 34. Of the 547 Illinois cities on this site with a flash flood on record, 425 have had fewer than Oak Forest.

  • September 13, 2008: flood 4 miles from the centre of Oak Forest — 1 killed.

  • August 10, 2020: thunderstorm wind 4 miles from the centre of Oak Forest — 1 killed.

  • July 11, 2011: thunderstorm wind 7 miles from the centre of Oak Forest — 6 injured.

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 Oak Forest's ZIP code 60452 have filed 93 claims with the National Flood Insurance Program since 1978, and were paid $539,000 for buildings and contents, in the dollars of each year. The most came from Flooding in 1982: 29 claims (31% of all) and $156,000. The year with the most claims was 1983, with 18. 35% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 320 Illinois cities on this site with 10 or more claims, 208 have fewer than Oak Forest.

Flood insurance claims in Oak Forest by named event
EventClaimsPaid
Flooding198229$156,000

Cook County, which includes Oak Forest, has been named in 24 federal disaster or emergency declarations since 1967, 19 of them major disasters (by incident: 8 floods, 8 severe storms, 4 snowstorms, 2 biological emergencies). The latest major disaster declaration was Severe Storms, Tornadoes, Straight-Line Winds, and Floodng, on September 20, 2024. FEMA's National Risk Index gives Cook County a Very High rating for natural hazard risk overall; by hazard: Very High for tornadoes, inland flooding, strong wind, lightning and heat waves; Relatively High for hail; Relatively Low for coastal flooding; Very Low for hurricanes. It models the county's expected loss from all 18 hazards it covers at $2.42 billion a year, the highest of 102 Illinois counties; of the hazards above, the largest share, $1.10 billion (45%), 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 Oak Forest