Sweetgrass, MT (ZIP 59484) has a moderate disaster history with 27 recorded events. These include 13 hailstorms, 12 severe wind events, and 1 earthquake. Total documented property damage amounts to $3.5K.
With 13 recorded incidents (48% of all events), hailstorms are the leading natural hazard for this ZIP code. Hail-related events have caused a combined $1K in documented property damage. The most recent recorded hailstorm occurred on Jul 27, 2025.
There have been 12 recorded severe wind events in this area, representing 44% of all disaster events. Of these, 2 (17%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for wind-related events here is 4/5 (severe). The most recent recorded severe wind event occurred on Nov 14, 2021.
Sweetgrass has experienced 1 earthquake on record. The most recent recorded earthquake occurred on Jan 1, 1993.
Sweetgrass has experienced 1 tornado on record. Tornado-related events have caused a combined $2.5K in documented property damage. The most recent recorded tornado occurred on May 7, 1982.
The most significant disaster event on record for Sweetgrass was EF2 Tornado on May 7, 1982, which caused $2.5K in property damage.
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Based on federal and state records, ZIP code 59484 has experienced 27 natural disaster events. The hazard types affecting this area include hailstorms (13 events), severe wind events (12 events), earthquake (1 event), and tornado (1 event). The primary hazard is hailstorms, which account for 48% of all recorded events.
Hailstorms are the most frequently recorded hazard in Sweetgrass, MT, with 13 events documented. These events have caused a combined $1K in property damage.
Sweetgrass has 1 recorded tornado event 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 $2.5K. The most recent tornado was recorded on May 7, 1982.
The most damaging natural disaster on record for ZIP code 59484 was EF2 Tornado, which occurred on May 7, 1982. This event caused $2.5K in documented property damage. It was rated at severity level 3/5.
Natural disasters have caused a documented total of $3.5K in property damage in the Sweetgrass, MT area (ZIP 59484). 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 →