10declarations
6major disasters
2emergencies
1997first on record
2026latest
By hazard
Fire3
Biological2
Severe Storm2
Straight-Line Winds1
Flood1
Hurricane1
By decade
11990s
42000s
12010s
42020s
Population: 3,677 in April 2020, 3,757 in July 2024 (Census Bureau estimates).
Declarations naming Sweet Grass County
| Declared | Number | Title | Hazard | Programs | Federal aid |
|---|---|---|---|---|---|
| Apr 7, 2026 | DR-4902-MT | Severe Winter Storm and Straight-Line Winds | Straight-Line Winds | PA | $1.8 million |
| Jun 16, 2022 | DR-4655-MT | Severe Storm and Flooding | Flood | IHPPAHM | $54.6 million |
| Mar 31, 2020 | DR-4508-MT | COVID-19 Pandemic | Biological | IHPPAHM | $92.9 million |
| Mar 13, 2020 | EM-3476-MT | COVID-19 | Biological | PA | — |
| Jun 17, 2011 | DR-1996-MT | Severe Storms and Flooding | Severe Storm | IHPPAHM | $56.3 million |
| Aug 30, 2006 | FM-2671-MT | Derby Fire | Fire | PA | $6.2 million |
| Sep 13, 2005 | EM-3253-MT | Hurricane Katrina Evacuation | Hurricane | PA | $119,960 |
| Aug 11, 2003 | FM-2488-MT | Mt-Hobble Fire-08/07/2003 | Fire | PA | $2.5 million |
| Aug 30, 2000 | DR-1340-MT | Wildfires | Fire | IAHM | $311,009 |
| Jul 25, 1997 | DR-1183-MT | Severe Storms,ice Jams, Snow Melt, Flooding | Severe Storm | PA | — |