Storm History: Sweet Grass County, Montana

Events

899

Deaths

11

Injuries

3

Damage

$4.5 million

Episodes

502

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over Sweet Grass County

• Avalanche, January 3, 20101 death · 1 event here
• Winter Storm, December 30, 20111 death · 2 events here
• Avalanche, February 22, 20121 death · 1 event here
• Avalanche, March 11, 20141 death · 1 event here
• Avalanche, November 26, 20141 death · 1 event here
• Avalanche, December 19, 20151 death · 1 event here
• Avalanche, December 11, 20161 death · 1 event here
• Winter Weather, November 5, 20191 death · 3 events here
• Avalanche, December 27, 20211 death · 2 injured · 1 event here
• Avalanche, February 19, 20221 death · 1 injured · 1 event here
• Avalanche, December 31, 20221 death · 1 event here

• Flood, May 20, 2011$4.0 million · 1 event here
• Thunderstorm Wind, July 9, 1994$500,000 · 75 kt wind · 1 event here
• Tornado, May 20, 1973$30 · F0 · 1 event here

• Hail, August 11, 20193 in hail · 6 events here
• Hail, May 20, 19913 in hail · 1 event here
• Hail, July 4, 20222.75 in hail · 1 event here
• Hail, July 8, 20132.75 in hail · 1 event here
• Hail, July 1, 20102.75 in hail · 7 events here
• Flash Flood, July 13, 20012.75 in hail · 1 event here
• Hail, July 9, 20002.75 in hail · 1 event here
• Hail, June 10, 20212.5 in hail · 9 events here
• Hail, May 19, 20202.5 in hail · 2 events here
• Hail, July 7, 20202.5 in hail · 1 event here
• Flash Flood, May 31, 20182.5 in hail · 1 event here
• Hail, July 22, 20142.5 in hail · 1 event here
• Flash Flood, June 13, 20132.5 in hail · 8 events here
• Flash Flood, July 26, 20012.5 in hail · 1 event here
• Hail, June 16, 20072 in hail · 1 event here

• Tornado, June 28, 2018EF2 · 2 events here

Every tornado in Sweet Grass County, with its track

• Winter Storm, May 20, 20261 event here
• Thunderstorm Wind, May 13, 202682 kt wind · 6 events here
• Winter Storm, April 22, 202657 kt wind · 2 events here
• Winter Storm, April 15, 20262 events here
• High Wind, April 7, 202652 kt wind · 1 event here
• Winter Storm, April 2, 20262 events here
• High Wind, March 16, 202659 kt wind · 2 events here
• Winter Storm, March 12, 20264 events here
• High Wind, March 11, 202674 kt wind · 5 events here
• High Wind, March 7, 202679 kt wind · 3 events here
• Winter Storm, March 5, 20262 events here
• High Wind, February 25, 202667 kt wind · 2 events here
• Winter Storm, February 23, 202654 kt wind · 1 event here
• High Wind, February 16, 202670 kt wind · 2 events here
• Winter Storm, February 8, 20263 events here
• Winter Storm, December 21, 20252 events here
• Winter Storm, December 18, 20251 event here
• Winter Storm, December 11, 20251 event here
• High Wind, December 10, 202551 kt wind · 1 event here
• High Wind, December 9, 202583 kt wind · 1 event here
• Winter Storm, December 8, 20251 event here
• Winter Storm, December 4, 20251 event here
• Thunderstorm Wind, July 26, 202551 kt wind · 1 event here
• Hail, June 15, 20251.5 in hail · 1 event here
• Hail, June 14, 20251.25 in hail · 1 event here
• Winter Storm, May 5, 20251 event here
• Winter Storm, April 27, 20252 events here
• Winter Storm, April 16, 20255 events here
• Blizzard, April 3, 20251 event here
• Avalanche, April 1, 20251 event here
• High Wind, March 24, 202556 kt wind · 2 events here
• Winter Storm, March 16, 20252 events here
• High Wind, March 10, 202558 kt wind · 2 events here
• Winter Storm, March 6, 20252 events here
• High Wind, February 25, 202557 kt wind · 1 event here
• High Wind, February 22, 202573 kt wind · 4 events here
• Winter Storm, February 16, 20254 events here
• Winter Storm, February 6, 20253 events here
• Winter Storm, February 1, 20255 events here
• High Wind, January 31, 202565 kt wind · 3 events here
• High Wind, January 20, 202572 kt wind · 3 events here
• Winter Storm, January 10, 20252 events here
• High Wind, January 10, 202554 kt wind · 2 events here
• Winter Storm, December 28, 20242 events here
• High Wind, December 18, 202466 kt wind · 2 events here
• High Wind, December 11, 202450 kt wind · 1 event here
• Thunderstorm Wind, July 25, 202456 kt wind · 1 event here
• Hail, June 23, 20241 in hail · 1 event here
• Thunderstorm Wind, June 4, 202455 kt wind · 1 event here
• Winter Storm, May 22, 20242 events here
• Winter Storm, May 7, 20242 events here
• High Wind, May 6, 202454 kt wind · 2 events here
• Winter Storm, April 16, 20242 events here
• Winter Storm, April 5, 20241 event here
• Winter Storm, March 13, 20241 event here
• Winter Storm, March 1, 20242 events here
• Winter Storm, February 26, 20242 events here
• High Wind, February 24, 202471 kt wind · 4 events here
• Winter Storm, February 14, 20244 events here
• Winter Storm, February 9, 20241 event here
• Winter Storm, January 16, 20242 events here
• High Wind, January 8, 202454 kt wind · 3 events here
• High Wind, December 9, 202350 kt wind · 2 events here
• High Wind, December 3, 202364 kt wind · 2 events here
• Winter Storm, November 22, 20231 event here
• Winter Storm, October 24, 20235 events here
• Winter Storm, October 11, 20231 event here
• Thunderstorm Wind, August 30, 202361 kt wind · 1 event here
• Flash Flood, June 7, 20231 event here
• Flash Flood, June 6, 20231.5 in hail · 1 event here
• Winter Storm, April 3, 20232 events here
• Winter Storm, March 24, 20235 events here
• Winter Storm, March 5, 20232 events here
• Winter Storm, February 19, 20235 events here
• High Wind, February 19, 202358 kt wind · 2 events here
• Winter Storm, February 13, 20233 events here
• High Wind, February 4, 202351 kt wind · 1 event here
• Winter Storm, January 26, 20235 events here
• High Wind, January 26, 202358 kt wind · 3 events here
• Avalanche, December 31, 20221 death · 1 event here
• High Wind, December 25, 202255 kt wind · 1 event here
• Winter Storm, December 20, 20221 event here
• Winter Storm, December 4, 20221 event here
• Winter Storm, December 1, 20221 event here
• High Wind, November 24, 202257 kt wind · 2 events here
• High Wind, November 19, 202252 kt wind · 1 event here
• Winter Storm, November 7, 20221 event here
• High Wind, November 5, 202265 kt wind · 2 events here
• Winter Storm, November 4, 20221 event here
• High Wind, October 24, 202255 kt wind · 1 event here
• Winter Storm, October 21, 20222 events here
• Thunderstorm Wind, September 7, 202255 kt wind · 1 event here
• Thunderstorm Wind, August 4, 202251 kt wind · 1 event here
• High Wind, July 18, 202253 kt wind · 1 event here
• Hail, July 4, 20222.75 in hail · 1 event here
• Flash Flood, July 3, 20221.75 in hail · 1 event here
• High Wind, June 14, 202255 kt wind · 2 events here
• Heavy Snow, May 29, 20221 event here
• Winter Storm, April 21, 20221 event here
• Winter Storm, April 11, 20225 events here
• High Wind, April 4, 202258 kt wind · 4 events here
• High Wind, March 12, 202257 kt wind · 2 events here
• High Wind, March 10, 202251 kt wind · 1 event here
• Winter Storm, March 7, 20221 event here
• High Wind, February 26, 202255 kt wind · 4 events here
• Winter Storm, February 20, 20223 events here
• Avalanche, February 19, 20221 death · 1 injured · 1 event here
• High Wind, February 19, 202259 kt wind · 2 events here
• Winter Storm, February 11, 20221 event here
• High Wind, February 9, 202258 kt wind · 3 events here
• High Wind, February 7, 202258 kt wind · 3 events here
• High Wind, February 4, 202261 kt wind · 2 events here
• High Wind, January 31, 202258 kt wind · 2 events here
• High Wind, January 25, 202258 kt wind · 3 events here
• High Wind, January 11, 202258 kt wind · 1 event here
• High Wind, January 7, 202267 kt wind · 2 events here
• Winter Storm, January 5, 20222 events here
• High Wind, January 1, 202257 kt wind · 3 events here
• Avalanche, December 27, 20211 death · 2 injured · 1 event here
• Winter Storm, December 22, 20211 event here
• High Wind, December 18, 202177 kt wind · 4 events here
• High Wind, December 11, 202173 kt wind · 3 events here
• High Wind, December 8, 202150 kt wind · 1 event here
• High Wind, December 4, 202154 kt wind · 1 event here
• High Wind, November 30, 202157 kt wind · 2 events here
• High Wind, November 25, 202169 kt wind · 2 events here
• High Wind, November 13, 202170 kt wind · 5 events here
• High Wind, November 10, 202156 kt wind · 1 event here
• High Wind, October 27, 202155 kt wind · 2 events here
• Winter Storm, October 11, 20215 events here
• High Wind, September 28, 202165 kt wind · 1 event here
• Drought, August 1, 20215 events here
• Wildfire, August 1, 20211 event here
• Wildfire, July 17, 20211 event here
• Thunderstorm Wind, July 16, 202178 kt wind · 1 event here
• Thunderstorm Wind, July 7, 202171 kt wind · 2 events here
• Hail, June 10, 20212.5 in hail · 9 events here
• Winter Storm, April 18, 20214 events here
• High Wind, March 28, 202171 kt wind · 3 events here
• Winter Storm, March 19, 20211 event here
• High Wind, February 25, 202154 kt wind · 3 events here
• High Wind, February 21, 202171 kt wind · 3 events here
• Winter Storm, February 4, 20215 events here
• High Wind, January 19, 202157 kt wind · 2 events here
• Winter Storm, January 13, 20212 events here
• High Wind, January 12, 202177 kt wind · 3 events here
• High Wind, January 2, 202152 kt wind · 2 events here
• High Wind, December 22, 202055 kt wind · 2 events here
• High Wind, December 19, 202087 kt wind · 3 events here
• High Wind, December 15, 202055 kt wind · 1 event here
• High Wind, November 27, 202058 kt wind · 2 events here
• High Wind, November 15, 202050 kt wind · 2 events here
• High Wind, November 13, 202092 kt wind · 3 events here
• Blizzard, November 7, 20203 events here
• High Wind, October 27, 202057 kt wind · 1 event here
• Winter Storm, October 23, 20205 events here
• Winter Storm, October 21, 20202 events here
• Winter Storm, October 17, 20202 events here
• High Wind, October 16, 202055 kt wind · 2 events here
• High Wind, October 13, 202053 kt wind · 1 event here
• High Wind, October 10, 202059 kt wind · 2 events here
• Winter Storm, September 7, 20201 event here
• Hail, July 23, 202065 kt wind · 1 event here
• Hail, July 7, 20202.5 in hail · 1 event here
• Hail, June 24, 202054 kt wind · 1 event here
• Hail, May 19, 20202.5 in hail · 2 events here
• Winter Storm, April 14, 20201 event here
• Winter Storm, April 10, 20204 events here
• Winter Storm, March 30, 20201 event here
• Winter Storm, March 14, 20202 events here
• Winter Storm, March 13, 20202 events here
• High Wind, March 10, 202056 kt wind · 2 events here
• High Wind, March 2, 202057 kt wind · 2 events here
• High Wind, February 23, 202055 kt wind · 1 event here
• High Wind, February 11, 202051 kt wind · 1 event here
• Winter Storm, February 5, 20202 events here
• Blizzard, February 2, 20202 events here
• High Wind, February 1, 202061 kt wind · 2 events here
• High Wind, January 31, 202066 kt wind · 2 events here
• High Wind, January 6, 202064 kt wind · 2 events here
• High Wind, January 3, 202052 kt wind · 2 events here
• High Wind, December 31, 201970 kt wind · 3 events here
• High Wind, December 16, 201954 kt wind · 1 event here
• High Wind, December 3, 201953 kt wind · 1 event here
• Winter Storm, November 29, 20195 events here
• High Wind, November 23, 201957 kt wind · 2 events here
• High Wind, November 17, 201954 kt wind · 3 events here
• Winter Weather, November 5, 20191 death · 3 events here
• High Wind, October 30, 201952 kt wind · 2 events here
• Winter Storm, October 26, 20191 event here
• High Wind, October 22, 201958 kt wind · 2 events here
• Winter Storm, October 8, 20192 events here
• Hail, August 11, 20193 in hail · 6 events here
• Hail, August 10, 20191 in hail · 2 events here
• Hail, June 30, 20191.25 in hail · 4 events here
• Winter Storm, May 21, 20192 events here
• Winter Storm, April 9, 20191 event here
• Winter Storm, February 2, 20192 events here
• Winter Storm, January 23, 20192 events here
• High Wind, December 14, 201866 kt wind · 1 event here
• Winter Storm, November 23, 20182 events here
• Hail, July 28, 20181.25 in hail · 1 event here
• Hail, July 26, 20181.75 in hail · 1 event here
• Hail, July 2, 20181.75 in hail · 1 event here
• Tornado, June 28, 2018EF2 · 2 events here
• Flash Flood, May 31, 20182.5 in hail · 1 event here
• Winter Storm, April 1, 20183 events here
• Blizzard, March 3, 20182 events here
• Winter Storm, February 16, 20183 events here
• Blizzard, February 14, 20181 event here
• Winter Storm, February 7, 20181 event here
• Winter Storm, February 3, 20181 event here
• High Wind, January 24, 201865 kt wind · 1 event here
• Winter Storm, January 18, 20181 event here
• Winter Storm, January 11, 20181 event here
• Winter Storm, December 27, 20173 events here
• Winter Storm, December 22, 20171 event here
• Winter Storm, November 2, 20173 events here
• Winter Storm, November 1, 20173 events here
• High Wind, October 18, 201777 kt wind · 1 event here
• Winter Storm, September 20, 20173 events here
• Winter Storm, September 14, 20172 events here
• Winter Storm, May 17, 20172 events here
• Winter Storm, April 27, 20171 event here
• Winter Storm, March 7, 20172 events here
• Winter Storm, February 22, 20171 event here
• High Wind, February 9, 201758 kt wind · 1 event here
• Winter Storm, February 1, 20172 events here
• Winter Storm, January 30, 20172 events here
• Winter Storm, January 8, 20171 event here
• High Wind, December 30, 201666 kt wind · 1 event here
• High Wind, December 27, 201669 kt wind · 1 event here
• High Wind, December 19, 201672 kt wind · 1 event here
• Blizzard, December 17, 20161 event here
• Winter Storm, December 14, 20162 events here
• Avalanche, December 11, 20161 death · 1 event here
• Winter Storm, December 9, 20161 event here
• Winter Storm, December 4, 20161 event here
• Winter Storm, November 16, 20161 event here
• High Wind, October 14, 201674 kt wind · 1 event here
• Heavy Snow, October 10, 20161 event here
• Hail, July 16, 20161.25 in hail · 5 events here
• Winter Storm, March 28, 20161 event here
• Avalanche, December 19, 20151 death · 1 event here
• Winter Storm, December 14, 20153 events here
• High Wind, December 7, 201567 kt wind · 1 event here
• High Wind, November 17, 201578 kt wind · 1 event here
• Winter Storm, November 2, 20152 events here
• Winter Storm, March 2, 20151 event here
• Winter Storm, February 20, 20151 event here

Earlier years, state by state:

• 2015
• 2014
• 2013
• 2012
• 2011
• 2010
• 2009
• 2008
• 2007
• 2006
• 2005
• 2004
• 2003
• 2002
• 2001
• 2000
• 1999
• 1998
• 1997
• 1996
• 1995
• 1994
• 1992
• 1991
• 1990
• 1988
• 1986
• 1984
• 1981
• 1973
• 1965
• 1956
• 1955

Tornadoes in Sweet Grass CountyEvery warning in Sweet Grass County since 1986Every county in Montana

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.