Markham, IL (ZIP 60426) has experienced 59 recorded natural disaster events based on federal and state agency records. These include 39 hailstorms, 7 severe wind events, and 6 tornadoes. Total documented property damage amounts to $4.1M. These events have resulted in 1 recorded death and 13 injuries.
With 39 recorded incidents (66% of all events), hailstorms are the leading natural hazard for this ZIP code. Hail-related events have caused a combined $101K in documented property damage. The most recent recorded hailstorm occurred on May 7, 2024.
Markham has experienced 7 severe wind events on record. 1 fatality has been attributed to severe wind events in this area. The most recent recorded severe wind event occurred on Jul 15, 2024.
Markham has experienced 6 tornadoes on record. Tornado-related events have caused a combined $300K in documented property damage. The most recent recorded tornado occurred on Jul 15, 2024.
Markham has experienced 4 floods on record. Of these, 2 (50%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for flood-related events here is 5/5 (extreme). Flood-related events have caused a combined $3.6M in documented property damage. The most recent recorded flood occurred on Aug 18, 2025.
Markham has experienced 3 blizzards on record. Of these, 2 (67%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for winter storm events here is 5/5 (extreme). Winter storm events have caused a combined $110K in documented property damage. The most recent recorded blizzard occurred on Dec 29, 2012.
The most significant disaster event on record for Markham was Flash Flood on Aug 18, 2025, which caused $3.5M in property damage. Another major event was EF2 Tornado (Jun 23, 1962), causing $250K in damages.
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Based on federal and state records, ZIP code 60426 has experienced 59 natural disaster events. The hazard types affecting this area include hailstorms (39 events), severe wind events (7 events), tornadoes (6 events), floods (4 events), and blizzards (3 events). The primary hazard is hailstorms, which account for 66% of all recorded events.
Hailstorms are the most frequently recorded hazard in Markham, IL, with 39 events documented. These events have caused a combined $101K in property damage.
Yes, Markham (ZIP 60426) has 4 recorded flood events. These floods have caused $3.6M in total property damage. The most recent flood on record occurred on Aug 18, 2025.
Markham has 6 recorded tornado events in the historical record. The strongest tornado recorded reached severity level 3/5 on the normalized scale. Total property damage from tornadoes in this area is $300K. The most recent tornado was recorded on Jul 15, 2024.
The most damaging natural disaster on record for ZIP code 60426 was Flash Flood, which occurred on Aug 18, 2025. This event caused $3.5M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $4.1M in property damage in the Markham, IL area (ZIP 60426). This figure is based on historical records from FEMA, NOAA Storm Events Database, and USGS, and covers events from the 1950s through the present. Actual damages may be higher, as not all events have complete damage assessments.
Data sourced from FEMA (disaster declarations, NFIP flood claims), NOAA Storm Events Database, USGS Earthquake Hazards Program, and NIFC wildfire records. Historical coverage varies by source, with most records beginning in the 1950s–1970s. Full methodology →