Dyer, IN Tornado History — 157 Tornadoes Since 1950
How many tornadoes has Dyer, IN had?
Dyer has had 157 tornadoes on record within 25 miles since 1950, including 10 strong to violent (EF3+) tornadoes.
When was the most recent tornado near Dyer?
The most recent tornado within 25 miles of Dyer was an EF0 on March 30, 2025.
When is tornado season in Dyer?
June is historically the peak month for tornadoes near Dyer, with 47 on record. April through June account for 79 of the 157 tornadoes on record near Dyer.
At a Glance
Recent Tornado Activity Near Dyer
The last 20 years of confirmed tornadoes within 25 miles — 88 total, averaging 4.4 per year over this window.
Preliminary tornado reports near Dyer since December 29, 2025
These are 10 preliminary reports, not confirmed tornadoes. They have not yet been through an NWS damage survey, and are not counted in the confirmed totals above.
Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete. Ratings are omitted until a survey assigns one.
Confirmed records above are complete through December 29, 2025. NOAA publishes the confirmed archive annually, so tornadoes after that date appear here first and move into the totals above once finalized.
An EF-1 tornado began west of Halsted between 183rd and 187th... crossing Halsted and causing structural damage to a strip mall and several buildings in an apartment co (LOT)
NWS survey confirms an EF-2 tornado with peak winds near 115 mph... peak width of 300 yards... and path length of 25.8 miles. (LOT)
Likely portion of tornado path in/near Markham. Concentrated area of tree damage along westbound I-80/I-294 at the Dixie Highway exit directly east and west of the exit (LOT)
An NWS damage survey confirmed an EF-0 tornado with peak winds of 85 mph... path length of 2.9 miles... and max width of 250 yards impacted Orland Park. (LOT)
Corrects previous tornado report from 2 E Glenwood. An NWS storm survey confirmed an EF-1 tornado with peak winds of 110 mph... peak width of 225 yards... and path leng (LOT)
*** 6 INJ *** NWS survey confirms a preliminary EF-2 tornado. Peak winds of 120 mph... width of 350 yards... and length of 8.4 miles. (LOT)
Storm chaser video shows tornado southeast of Hebron. (LOT)
NWS survey confirms a preliminary EF-0 tornado. Peak winds of 85 mph... width of 200 yards... and length of 12.6 miles. (LOT)
*** 1 INJ *** Corrects previous tornado report from 3 SE Griffith. An NWS damage survey confirmed an EF-2 tornado with peak winds of 120 mph... path length of 6.5 miles (LOT)
NWS survey confirmed a preliminary EF-0 tornado. Path length of 2.5 miles... max width of 175 yards... and peak winds of 80 mph. (LOT)
Within 25 miles of Dyer. Quoted text is the report narrative exactly as filed. Source: NOAA Storm Prediction Center preliminary storm reports, updated daily.
Tornadoes by Decade
Tornadoes by Enhanced Fujita Rating
F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.
Tornadoes by Month
Casualties on Record Near Dyer
38 fatalities have been recorded within 25 miles of Dyer since 1950, across 5 events. 751 injuries have been reported across all events. 1967 was the deadliest year on record near Dyer.
The deadliest single event was an F4 on April 21, 1967, which caused 33 fatalities along a 15.0-mile track.
Notable Tornadoes Near Dyer
What the record shows near Dyer
The 2020s are the busiest decade on record so far near Dyer, with 46 of the 157 confirmed tornadoes within 25 miles. The Dyer record runs from the 1950s to today.
Of the tornadoes rated near Dyer, 120 reached EF0 or EF1 and 34 reached EF2 or stronger. The most intense on record near Dyer is rated EF4, of which 2 are logged. A further 3 near Dyer are unrated — events NOAA logged before a damage survey assigned a scale.
Across the last 20 years Dyer has averaged 4.4 confirmed tornadoes a year within 25 miles, 88 in total. 2024 was the busiest of them with 19, and 5 of those years passed with none at all.