Federal records document 116 natural disaster events in the Janesville, WI area (ZIP 53545). These include 53 hailstorms, 26 floods, and 13 blizzards. Total documented property damage amounts to $27.4M. These events have resulted in 11 recorded deaths and 74 injuries.
With 53 recorded incidents (46% of all events), hailstorms are the leading natural hazard for this ZIP code. Hail-related events have caused a combined $2.7M in documented property damage. The most recent recorded hailstorm occurred on Aug 16, 2025.
There have been 26 recorded floods in this area, representing 22% of all disaster events. Of these, 6 (23%) 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 $22.7M in documented property damage. The most recent recorded flood occurred on Jun 29, 2025.
There have been 13 recorded blizzards in this area, representing 11% of all disaster events. Of these, 4 (31%) 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 $55K in documented property damage. 4 fatalities have been attributed to blizzards in this area. The most recent recorded blizzard occurred on Jan 12, 2024.
Janesville has experienced 10 severe wind events on record. Wind-related events have caused a combined $330K in documented property damage. The most recent recorded severe wind event occurred on Mar 5, 2022.
Janesville has experienced 7 tornadoes on record. Tornado-related events have caused a combined $1.6M in documented property damage. The most recent recorded tornado occurred on Feb 8, 2024.
Janesville has experienced 4 extreme cold events on record. Cold-related events have caused a combined $2K in documented property damage. 3 fatalities have been attributed to extreme cold events in this area. The most recent recorded extreme cold event occurred on Jan 26, 2019.
The most significant disaster event on record for Janesville was Flood on Jun 18, 1996, which caused $18.5M in property damage. Another major event was Flood (Jun 1, 2004), causing $3M in damages. 1.8" Hail on Jul 25, 2005 also caused significant damage ($2.6M).
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Based on federal and state records, ZIP code 53545 has experienced 116 natural disaster events. The hazard types affecting this area include hailstorms (53 events), floods (26 events), blizzards (13 events), severe wind events (10 events), tornadoes (7 events), extreme cold events (4 events), and extreme heat events (3 events). The primary hazard is hailstorms, which account for 46% of all recorded events.
Hailstorms are the most frequently recorded hazard in Janesville, WI, with 53 events documented. These events have caused a combined $2.7M in property damage.
Yes, Janesville (ZIP 53545) has 26 recorded flood events. These floods have caused $22.7M in total property damage. The most recent flood on record occurred on Jun 29, 2025.
Janesville has 7 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 $1.6M. The most recent tornado was recorded on Feb 8, 2024.
The most damaging natural disaster on record for ZIP code 53545 was Flood, which occurred on Jun 18, 1996. This event caused $18.5M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $27.4M in property damage in the Janesville, WI area (ZIP 53545). 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 →