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61241 Green Rock, IL — Natural Disaster History

📊 Disaster Profile: Green Rock, IL (61241)

ZIP code 61241, covering Green Rock, IL, has 83 natural disaster events in the historical record. These include 40 hailstorms, 14 floods, and 13 severe wind events. Total documented property damage amounts to $11.8M. These events have resulted in 5 recorded deaths and 38 injuries.

⛈️ Hailstorms — Primary Hazard

Hailstorms represent the most common natural hazard in this area, accounting for 48% of all recorded events (40 total). Hail-related events have caused a combined $10K in documented property damage. The most recent recorded hailstorm occurred on Mar 4, 2024.

🌊 Floods

There have been 14 recorded floods in this area, representing 17% of all disaster events. Of these, 10 (71%) 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 $7.5M in documented property damage. The most recent recorded flood occurred on Jul 23, 2017.

💨 Severe wind events

There have been 13 recorded severe wind events in this area, representing 16% of all disaster events. Wind-related events have caused a combined $20K in documented property damage. 2 fatalities have been attributed to severe wind events in this area. The most recent recorded severe wind event occurred on Jun 3, 2025.

🌪️ Tornadoes

Green Rock has experienced 8 tornadoes on record. Tornado-related events have caused a combined $3.8M in documented property damage. The most recent recorded tornado occurred on Apr 4, 2023.

❄️ Blizzards

Green Rock has experienced 5 blizzards on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for winter storm events here is 5/5 (extreme). Winter storm events have caused a combined $6K in documented property damage. 1 fatality has been attributed to blizzards in this area. The most recent recorded blizzard occurred on Dec 8, 2008.

🥶 Extreme cold events

Green Rock has experienced 3 extreme cold events on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for cold-related events here is 4/5 (severe). Cold-related events have caused a combined $495K in documented property damage. 2 fatalities have been attributed to extreme cold events in this area. The most recent recorded extreme cold event occurred on Jan 18, 2021.

Notable Events

The most significant disaster event on record for Green Rock was Flash Flood on May 13, 2010, which caused $5M in property damage. Another major event was EF2 Tornado (Apr 21, 1973), causing $2.5M in damages. Flood on May 21, 2003 also caused significant damage ($1M).

📍 Nearby ZIP Codes

Explore disaster history for adjacent areas

Frequently Asked Questions

What natural disasters have occurred in Green Rock, IL (61241)?

Based on federal and state records, ZIP code 61241 has experienced 83 natural disaster events. The hazard types affecting this area include hailstorms (40 events), floods (14 events), severe wind events (13 events), tornadoes (8 events), blizzards (5 events), and extreme cold events (3 events). The primary hazard is hailstorms, which account for 48% of all recorded events.

What is the most common natural hazard in ZIP code 61241?

Hailstorms are the most frequently recorded hazard in Green Rock, IL, with 40 events documented. These events have caused a combined $10K in property damage.

Is ZIP code 61241 (Green Rock) prone to flooding?

Yes, Green Rock (ZIP 61241) has 14 recorded flood events. These floods have caused $7.5M in total property damage. The most recent flood on record occurred on Jul 23, 2017.

Has Green Rock (61241) ever been hit by a tornado?

Green Rock has 8 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 $3.8M. The most recent tornado was recorded on Apr 4, 2023.

What was the worst natural disaster in Green Rock, IL?

The most damaging natural disaster on record for ZIP code 61241 was Flash Flood, which occurred on May 13, 2010. This event caused $5M in documented property damage. It was rated at severity level 5/5.

How much property damage have natural disasters caused in ZIP code 61241?

Natural disasters have caused a documented total of $11.8M in property damage in the Green Rock, IL area (ZIP 61241). 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 →

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