Storms in Montana in 2021

Events

1,424

Deaths

6

Injuries

11

Damage

$7.0 million

Episodes

196

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.

January 2021

• Drought in Montana, January 1 to 31, 20216 events
• High Wind in Montana, January 2 to 3, 202170 kt wind · 22 events
• Heavy Snow in Montana, January 2 to 3, 20211 event
• High Wind in Montana, January 2 to 3, 202152 kt wind · 3 events
• High Wind in Montana, January 3, 202162 kt wind · 3 events
• Dense Fog in Montana, January 8 to 10, 20215 events
• High Wind in Montana, January 12 to 14, 202177 kt wind · 26 events
• High Wind in Montana, January 12 to 13, 202182 kt wind · 42 events
• Winter Storm in Montana, January 13, 20212 events
• High Wind in Montana, January 13, 2021$752,000 · 109 kt wind · 8 events
• High Wind in Montana, January 13 to 15, 202176 kt wind · 15 events
• High Wind in Montana, January 17 to 20, 202168 kt wind · 14 events
• Heavy Snow in Montana, January 18, 20213 events
• High Wind in Montana, January 19 to 20, 202157 kt wind · 4 events
• High Wind in Montana, January 19 to 20, 202158 kt wind · 1 event
• Drought in Montana, January 26 to 31, 20212 events
• High Wind in Montana, January 27, 202153 kt wind · 1 event
• Dense Fog in Montana, January 30 to 31, 20213 events

February 2021

• Drought in Montana, February 1 to 28, 20219 events
• Winter Storm in Montana, February 4 to 7, 202120 events
• Heavy Snow and Winter Weather in Montana, February 5 to 8, 202121 events
• Winter Storm in Montana, February 5 to 7, 20211 death · 5 events
• Cold in Montana, February 5 to 15, 202114 events
• Extreme Cold in Montana, February 10 to 13, 20215 events
• Avalanche and Extreme Cold in Montana, February 11 to 13, 202124 events
• High Wind in Montana, February 21 to 23, 202171 kt wind · 11 events
• Blizzard and Avalanche in Montana, February 21 to 23, 202176 kt wind · 35 events
• High Wind in Montana, February 21 to 22, 202171 kt wind · 8 events
• Winter Storm in Montana, February 22 to 23, 20211 event
• High Wind and Strong Wind in Montana, February 25, 202166 kt wind · 11 events
• High Wind in Montana, February 25 to 28, 202154 kt wind · 5 events
• Winter Weather in Montana, February 27, 20211 event

March 2021

• Drought in Montana, March 1 to 31, 20219 events
• Drought in Montana, March 1 to 31, 20211 event
• Dense Fog in Montana, March 5, 20213 events
• Drought in Montana, March 9 to 31, 20213 events
• Dense Fog in Montana, March 10, 20211 event
• Winter Storm in Montana, March 19 to 20, 20211 event
• Dense Fog in Montana, March 27, 20215 events
• Wildfire and High Wind in Montana, March 28 to 29, 202176 kt wind · 43 events
• High Wind and Strong Wind in Montana, March 28 to 29, 2021$4,000 · 67 kt wind · 7 events
• High Wind in Montana, March 28 to 30, 202171 kt wind · 24 events
• High Wind in Montana, March 29 to 30, 202163 kt wind · 13 events

April 2021

• Drought in Montana, April 1 to 30, 202113 events
• Heavy Snow and Winter Weather in Montana, April 18 to 19, 202114 events
• Heavy Snow and High Wind in Montana, April 18 to 19, 2021$80,000 · 50 kt wind · 6 events
• Winter Storm in Montana, April 18 to 19, 20216 events
• Drought in Montana, April 20 to 30, 20212 events

May 2021

• Drought in Montana, May 1 to 31, 202115 events
• Damaging Winds in Montana, May 7, 202150 kt wind · 2 events
• High Wind in Montana, May 18, 202153 kt wind · 2 events
• Winter Weather in Montana, May 19 to 20, 20215 events
• Winter Storm and Heavy Snow in Montana, May 20 to 22, 202119 events
• High Wind in Montana, May 24, 202155 kt wind · 3 events
• High Wind in Montana, May 24, 202155 kt wind · 2 events
• Flood in Montana, May 27 to 30, 20211 event
• High Wind in Montana, May 28, 202154 kt wind · 4 events
• Hail and Damaging Winds in Montana, May 28, 20211.75 in hail · 12 events

June 2021

• Drought in Montana, June 1 to 30, 202115 events
• Flood in Montana, June 3 to 7, 20211 event
• Flash Flood and Damaging Winds in Montana, June 3, 20213 events
• Hail and Damaging Winds in Montana, June 4, 20211.75 in hail · 4 events
• Hail and Damaging Winds in Montana, June 4, 20211 in hail · 5 events
• Damaging Winds in Montana, June 5, 202158 kt wind · 3 events
• Damaging Winds in Montana, June 5, 202163 kt wind · 3 events
• Flash Flooding and Hail in Montana, June 8, 20214 in hail · 38 events
• Damaging Wind in Montana, June 8, 202151 kt wind · 2 events
• Hail and Damaging Winds in Montana, June 9, 20212.5 in hail · 9 events
• Hail and Damaging Winds in Montana, June 9, 20213 in hail · 9 events
• Hail and High Wind in Montana, June 10, 20211 in hail · 4 events
• Hail and Damaging Winds in Montana, June 10, 2021$1.2 million · 3 in hail · 64 events
• Hail and Damaging Wind in Montana, June 10, 20212.5 in hail · 35 events
• High Wind in Montana, June 10, 202169 kt wind · 4 events
• Heavy Rain in Montana, June 11, 20213 events
• Wildfire in Montana, June 13 to 30, 20211 event
• Damaging Winds in Montana, June 13, 2021$80,000 · 55 kt wind · 2 events
• Wildfire in Montana, June 14 to 24, 20215 injured · 1 event
• Hail and Damaging Winds in Montana, June 15, 2021$10,000 · 1 in hail · 3 events
• High Wind in Montana, June 15, 202163 kt wind · 2 events
• High Wind in Montana, June 16, 202153 kt wind · 1 event
• Funnel Cloud in Montana, June 20, 20211 event
• Drought in Montana, June 22 to 30, 20211 event
• Damaging Wind in Montana, June 22, 202152 kt wind · 1 event
• Damaging Winds in Montana, June 24, 202156 kt wind · 2 events
• Hail and Damaging Winds in Montana, June 24, 20211.25 in hail · 3 events
• Heat in Montana, June 28 to 30, 20212 events

July 2021

• Drought in Montana, July 1 to 31, 202116 events
• Wildfire in Montana, July 1 to 31, 20211 event
• Wildfire in Montana, July 1 to 31, 20211 event
• Flash Flood and Damaging Wind in Montana, July 1, 2021$50,000 · 56 kt wind · 2 events
• Damaging Wind in Montana, July 2, 202161 kt wind · 1 event
• Hail and Damaging Winds in Montana, July 4, 202153 kt wind · 3 events
• Damaging Winds in Montana, July 4, 202156 kt wind · 5 events
• Hail in Montana, July 6, 20211.75 in hail · 13 events
• Tornado and Hail in Montana, July 6 to 7, 20211.75 in hail · 16 events
• Hail and Damaging Wind in Montana, July 6, 20211 in hail · 2 events
• Damaging Winds in Montana, July 7, 202171 kt wind · 13 events
• Wildfire in Montana, July 8 to 31, 20217 events
• Hail and Damaging Winds in Montana, July 8, 20211.75 in hail · 30 events
• Hail in Montana, July 9, 20210.75 in hail · 1 event
• Hail and Damaging Winds in Montana, July 11, 20211 in hail · 20 events
• Damaging Wind in Montana, July 13, 202167 kt wind · 1 event
• Damaging Wind in Montana, July 13, 202152 kt wind · 1 event
• Damaging Wind in Montana, July 13, 202152 kt wind · 1 event
• Wildfire in Montana, July 16 to 31, 20213 events
• Damaging Winds in Montana, July 16, 202178 kt wind · 3 events
• Wildfire in Montana, July 16 to 20, 20211 death · 1 injured · 1 event
• Wildfire in Montana, July 17 to 31, 20212 events
• Wildfire in Montana, July 17 to 31, 20211 event
• Hail and Damaging Wind in Montana, July 20, 20211 in hail · 2 events
• Damaging Wind in Montana, July 20, 202170 kt wind · 1 event
• Flash Flood and Hail in Montana, July 20 to 22, 20211 in hail · 11 events
• Hail in Montana, July 21, 20212 in hail · 3 events
• Hail and Damaging Winds in Montana, July 22, 20211.5 in hail · 15 events
• Damaging Winds in Montana, July 22, 202163 kt wind · 3 events
• Wildfire in Montana, July 27 to 31, 20211 event

August 2021

• Drought in Montana, August 1 to 31, 202116 events
• Wildfire in Montana, August 1 to 12, 20211 event
• Wildfire in Montana, August 1 to 31, 20212 events
• Flash Flood and Wildfire in Montana, August 1, 2021$3.6 million · 2 events
• Drought in Montana, August 1 to 31, 202129 events
• Flash Flood in Montana, August 2, 20211 event
• Flash Flood in Montana, August 2, 20211 event
• Hail in Montana, August 4, 20211 in hail · 2 events
• Damaging Winds in Montana, August 5, 202156 kt wind · 3 events
• Wildfire in Montana, August 8 to 21, 20212 events
• Damaging Winds and High Wind in Montana, August 8, 202158 kt wind · 4 events
• High Wind in Montana, August 8, 202156 kt wind · 3 events
• Damaging Wind in Montana, August 16, 202155 kt wind · 1 event
• Damaging Winds and High Wind in Montana, August 16, 20211 death · 56 kt wind · 6 events
• Damaging Wind and High Wind in Montana, August 17, 202160 kt wind · 2 events
• Damaging Winds in Montana, August 17 to 18, 202153 kt wind · 2 events
• Flood and Hail in Montana, August 26, 20211.25 in hail · 5 events
• Hail in Montana, August 27, 20211 in hail · 1 event
• Damaging Wind in Montana, August 30, 202169 kt wind · 1 event

September 2021

• Drought in Montana, September 1 to 30, 202116 events
• Damaging Winds in Montana, September 9 to 10, 202155 kt wind · 5 events
• Debris Flow in Montana, September 10 to 11, 20211 event
• Wildfire and High Wind in Montana, September 18 to 30, 202156 kt wind · 7 events
• High Wind in Montana, September 28, 202165 kt wind · 1 event

October 2021

• Drought in Montana, October 1 to 31, 202116 events
• Wildfire in Montana, October 4 to 31, 20212 events
• Heavy Snow in Montana, October 11 to 12, 20213 events
• Winter Storm in Montana, October 11 to 13, 202114 events
• Heavy Snow in Montana, October 12 to 13, 20215 events
• High Wind and Strong Wind in Montana, October 27, 202162 kt wind · 9 events
• High Wind in Montana, October 27, 202155 kt wind · 6 events
• High Wind in Montana, October 28, 202171 kt wind · 2 events

November 2021

• Drought in Montana, November 1 to 30, 202116 events
• High Wind in Montana, November 5, 202150 kt wind · 1 event
• High Wind in Montana, November 10 to 13, 202158 kt wind · 4 events
• High Wind in Montana, November 10 to 11, 202156 kt wind · 2 events
• High Wind in Montana, November 13 to 16, 202170 kt wind · 32 events
• High Wind in Montana, November 13, 202161 kt wind · 4 events
• High Wind in Montana, November 14 to 16, 202183 kt wind · 19 events
• High Wind and Strong Wind in Montana, November 15 to 16, 2021$263,000 · 69 kt wind · 7 events
• High Wind in Montana, November 16 to 17, 202170 kt wind · 14 events
• Winter Weather in Montana, November 16, 20212 events
• High Wind in Montana, November 17, 202151 kt wind · 1 event
• High Wind in Montana, November 20 to 22, 202153 kt wind · 2 events
• High Wind in Montana, November 25 to 26, 202169 kt wind · 11 events
• High Wind in Montana, November 25 to 28, 202169 kt wind · 7 events
• High Wind in Montana, November 28 to 30, 202178 kt wind · 10 events
• High Wind in Montana, November 30, 202157 kt wind · 5 events
• High Wind in Montana, November 30, 202153 kt wind · 1 event

December 2021

• Drought in Montana, December 1 to 31, 202116 events
• Strong Wind in Montana, December 1, 2021$3,000 · 2 events
• Wildfire in Montana, December 1 to 4, 20213 events
• High Wind in Montana, December 1, 202156 kt wind · 1 event
• High Wind in Montana, December 1, 202189 kt wind · 15 events
• High Wind in Montana, December 1, 202174 kt wind · 4 events
• Heavy Snow in Montana, December 4, 20211 event
• High Wind in Montana, December 4, 202157 kt wind · 4 events
• High Wind in Montana, December 4 to 5, 202154 kt wind · 5 events
• Winter Storm in Montana, December 5, 20214 events
• Winter Weather in Montana, December 7 to 8, 20214 events
• High Wind in Montana, December 8, 202176 kt wind · 7 events
• High Wind in Montana, December 8, 202150 kt wind · 1 event
• High Wind in Montana, December 11 to 12, 202173 kt wind · 8 events
• Winter Storm and Heavy Snow in Montana, December 11 to 12, 20214 events
• Heavy Snow and High Wind in Montana, December 11 to 13, 202176 kt wind · 19 events
• Heavy Snow and High Wind in Montana, December 13 to 15, 202154 kt wind · 5 events
• Winter Storm in Montana, December 14, 20211 event
• Heavy Snow in Montana, December 16 to 19, 20212 events
• Heavy Snow and Winter Weather in Montana, December 18 to 20, 20218 events
• High Wind in Montana, December 18 to 20, 202177 kt wind · 6 events
• Winter Storm in Montana, December 22 to 24, 20211 event
• Strong Wind in Montana, December 23, 2021$1.0 million · 1 event
• Damaging Winds in Montana, December 23, 202155 kt wind · 6 events
• Winter Storm and Winter Weather in Montana, December 24 to 25, 20212 events
• Extreme Cold in Montana, December 25 to 27, 20211 event
• Cold in Montana, December 26 to 31, 202111 events
• Extreme Cold and Heavy Snow in Montana, December 26 to 30, 202152 kt wind · 15 events
• Winter Weather in Montana, December 26 to 27, 20212 deaths · 3 injured · 2 events
• Avalanche in Montana, December 27, 20211 death · 2 injured · 1 event
• Extreme Cold in Montana, December 31, 20216 events

Every year in MontanaEvery state in 2021Tornadoes in Montana in 2021Warnings in Montana in 202120202022

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.