Grasmere, ID (ZIP 83604) sits in one of the more disaster-active areas in the region, with 278 natural disaster events on record. These include 273 wildfires, 3 hailstorms, and 1 earthquake.
The dominant hazard type for Grasmere is wildfires, with 273 recorded events making up 98% of the area's disaster history. Of these, 20 (7%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for wildfire-related events here is 5/5 (extreme). The most recent recorded wildfire occurred on Sep 9, 9999.
Grasmere has experienced 3 hailstorms on record. The most recent recorded hailstorm occurred on Aug 10, 2019.
Grasmere has experienced 1 earthquake on record. The most recent recorded earthquake occurred on Jul 22, 2010.
Grasmere has experienced 1 severe wind event on record. The most recent recorded severe wind event occurred on Jun 18, 2003.
Explore disaster history for adjacent areas
Based on federal and state records, ZIP code 83604 has experienced 278 natural disaster events. The hazard types affecting this area include wildfires (273 events), hailstorms (3 events), earthquake (1 event), and severe wind event (1 event). The primary hazard is wildfires, which account for 98% of all recorded events.
Wildfires are the most frequently recorded hazard in Grasmere, ID, with 273 events documented.
The most damaging natural disaster on record for ZIP code 83604 was Wildfire: BLACKSTONE (221 acres), which occurred on Sep 9, 9999. It was rated at severity level 2/5.
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 →