NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Summit, 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
3 tropical systems have passed within 75 miles of Summit, Illinois since 1851, 0 of them at hurricane strength; the most recent was an unnamed storm in 1941. Since 1950, 180 tornadoes have touched down within 25 miles, 9 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 3
- Tornadoes
- 180
- EF3 or stronger
- 9
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
72 deaths in all
What the records show for Summit
None of the 3 tropical systems was at hurricane strength as it passed Summit; the strongest was an unnamed storm in 1900, a tropical storm with 59 mph winds when its centre passed 64 miles away. The record near Summit begins with an unnamed storm in 1900; the most recent system was an unnamed storm in 1941, a tropical storm 64 miles away. Summit has more tropical storms and hurricanes within 75 miles than 62% of the 548 Illinois cities on this site. The strongest of the 180 tornadoes within 25 miles was an F5 on August 28, 1990; its path came within 24 miles, and it killed 29 people. The deadliest, an F4 on April 21, 1967, killed 33 people. Of the 180, 12 had paths within 5 miles of the city centre, and 93 have come since 2000. July has had the most tornadoes, 40. The most recent tornado was on March 19, 2025. Summit has more tornadoes within 25 miles than 83% of the 548 Illinois cities. Hail has been reported within 10 miles 223 times since 1955, with stones up to 2.75 inches (baseball size). Summit has more hail reports within 10 miles than 87% of the 548 Illinois cities.
Compare Summit's storm record with another city →
Tropical storms and hurricanes near Summit
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 1941 | Unnamed 1941 stormSep 25 | 64 mi | Tropical storm (45 mph) | Category 3 |
| 1932 | Unnamed 1932 stormSep 3 | 74 mi | Tropical storm (41 mph) | Category 1 |
| 1900 | Unnamed 1900 stormSep 11 | 64 mi | Tropical storm (59 mph) | Category 4 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Summit: 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 Summit
By decade
- 2020s60(1 EF3+)
- 2010s14
- 2000s19
- 1990s10(2 EF3+)
- 1980s17(1 EF3+)
- 1970s28(3 EF3+)
- 1960s21(2 EF3+)
- 1950s11
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Aug 28, 1990 | F5 | 24 mi | 16.4 mi | 29 / 350 |
| Apr 21, 1967 | F4 | 7 mi | 15 mi | 33 / 500 |
| Jun 13, 1976 | F4 | 7 mi | 3.3 mi | 2 / 23 |
| Jun 29, 1979 | F4 | 24 mi | 5.4 mi | 0 / 1 |
| Apr 27, 1984 | F3 | 22 mi | 9 mi | 1 / 5 |
| Jun 20, 2021 | EF3 | 4 mi | 17.6 mi | 0 / 11 |
| Mar 27, 1991 | F3 | 6 mi | 15 mi | 0 / 7 |
| Mar 12, 1976 | F3 | 11 mi | 22.6 mi | 0 / 3 |
| Nov 12, 1965 | F3 | 24 mi | 4.1 mi | 0 / 14 |
| Mar 12, 1976 | F2 | 11 mi | 15.1 mi | 2 / 66 |
| Nov 12, 1965 | F2 | 15 mi | 35.9 mi | 2 / 90 |
| Apr 6, 1972 | F2 | 20 mi | 6.8 mi | 1 / 22 |
The strongest 12 of 180, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Summit
The Storm Prediction Center has 223 hail reports within 10 miles of Summit since 1955, made on 123 separate days. Of these, 138 were 1 inch across or larger, and 8 reached 2 inches. The largest, 2.75 inches (baseball size), fell on June 30, 2011. The most recent report is from March 19, 2025. June has the most reports, 50.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Summit
The nearest NOAA station with 1991–2020 climate normals is Chicago Midway Airport, IL, 3 miles east of Summit at 612 feet. July is the warmest, with an average high of 85°F and low of 68°F; January is the coolest, at 33°F and 19°F. May is the wettest at 4.1 inches of precipitation on average and January and February the driest at 1.5 inches; the year adds up to 34.7 inches over 68 days with at least a tenth of an inch. Highs reach 90°F on about 20 days a year, almost all from May to September. Lows fall below freezing on about 106 nights a year. That 34.7 inches is more than at 4 of the 146 Illinois stations used on this site (3%). Bridgeview, 3 miles south, has its own station (Chicago Midway Airport 3SW, IL): 40.9 inches a year, 6.2 more than here, and the same July average high, 85°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 33 | 19 | 1.5 | 3 |
| Feb | 37 | 23 | 1.5 | 3 |
| Mar | 48 | 32 | 1.9 | 5 |
| Apr | 60 | 41 | 3.6 | 7 |
| May | 71 | 52 | 4.1 | 8 |
| Jun | 81 | 62 | 4.0 | 8 |
| Jul | 85 | 68 | 3.6 | 6 |
| Aug | 83 | 66 | 4.0 | 6 |
| Sep | 76 | 59 | 2.8 | 5 |
| Oct | 63 | 47 | 3.5 | 6 |
| Nov | 49 | 35 | 2.4 | 5 |
| Dec | 38 | 25 | 1.8 | 4 |
| Year | 60 | 44 | 34.7 | 68 |
Averages for 1991–2020 at Chicago Midway Airport, IL (612 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.
Floods, thunderstorm wind and lightning near Summit
Since 1996, the National Weather Service has logged 737 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Summit: 545 thunderstorm wind reports, 76 floods, 72 flash floods, 29 heavy rain events and 15 lightning strikes. They killed 3 people and injured 33, and the NWS estimated $319.5 million in property and crop damage. The strongest thunderstorm gust on record here was 96 mph, on June 13, 2022. June has had the most flash floods, 20 of 72. Of the 547 Illinois cities on this site with a flash flood on record, 522 have had fewer than Summit.
June 18, 2010: thunderstorm wind in Summit — 1 killed, 2 injured.
NWS: “A line of thunderstorms moved east across the City of Chicago producing winds in excess of 60 mph. The City of Chicago Department of Streets and Sanitation received thousdands of reports of trees and limbs blown down, and light poles blown down across the city.”
August 23, 2007: thunderstorm wind 9 miles from the centre of Summit — 1 killed, $100,000 damage.
July 11, 2011: thunderstorm wind 8 miles from the centre of Summit — 1 killed, $4,000 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
Cook County, which includes Summit, 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.