Mahwah, NJ (ZIP 07430) has a moderate disaster history with 41 recorded events. These include 31 hailstorms, 4 floods, and 3 extreme heat events. Total documented property damage amounts to $50.4M. These events have resulted in 10 recorded deaths and 166 injuries.
The dominant hazard type for Mahwah is hailstorms, with 31 recorded events making up 76% of the area's disaster history. The most recent recorded hailstorm occurred on Aug 3, 2024.
Mahwah has experienced 4 floods on record. Of these, 3 (75%) 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 $49.5M in documented property damage. 1 fatality has been attributed to floods in this area. The most recent recorded flood occurred on Sep 1, 2021.
Mahwah has experienced 3 extreme heat events on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for heat-related events here is 5/5 (extreme). 2 fatalities have been attributed to extreme heat events in this area. The most recent recorded extreme heat event occurred on Jun 23, 2025.
Mahwah has experienced 1 blizzard on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for winter storm events here is 4/5 (severe). 3 fatalities have been attributed to blizzards in this area. The most recent recorded blizzard occurred on Jan 23, 2016.
Mahwah has experienced 1 tornado on record. The most recent recorded tornado occurred on Sep 6, 1956.
Mahwah has experienced 1 severe wind event on record. Wind-related events have caused a combined $900K in documented property damage. 4 fatalities have been attributed to severe wind events in this area. The most recent recorded severe wind event occurred on Oct 29, 2012.
The most significant disaster event on record for Mahwah was Flood on Mar 13, 2010, which caused $45.5M in property damage. Another major event was Flood (Apr 2, 2005), causing $2M in damages. Flood on Apr 2, 2005 also caused significant damage ($2M).
Explore disaster history for adjacent areas
Based on federal and state records, ZIP code 07430 has experienced 41 natural disaster events. The hazard types affecting this area include hailstorms (31 events), floods (4 events), extreme heat events (3 events), blizzard (1 event), tornado (1 event), and severe wind event (1 event). The primary hazard is hailstorms, which account for 76% of all recorded events.
Hailstorms are the most frequently recorded hazard in Mahwah, NJ, with 31 events documented.
Yes, Mahwah (ZIP 07430) has 4 recorded flood events. These floods have caused $49.5M in total property damage. The most recent flood on record occurred on Sep 1, 2021.
Mahwah has 1 recorded tornado event in the historical record. The strongest tornado recorded reached severity level 3/5 on the normalized scale. The most recent tornado was recorded on Sep 6, 1956.
The most damaging natural disaster on record for ZIP code 07430 was Flood, which occurred on Mar 13, 2010. This event caused $45.5M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $50.4M in property damage in the Mahwah, NJ area (ZIP 07430). 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 →