Storms in Montana in 2023

Events

1,124

Deaths

11

Injuries

22

Damage

$9.7 million

Episodes

211

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 2023

• Drought in Montana, January 1 to 31, 202315 events
• Dense Fog in Montana, January 1 to 4, 20239 events
• Dense Fog in Montana, January 5 to 6, 20234 events
• Ice Storm and Heavy Rain in Montana, January 5 to 6, 20234 events
• Dense Fog in Montana, January 10 to 13, 20238 events
• Winter Storm and Winter Weather in Montana, January 14, 20236 events
• Dense Fog in Montana, January 14 to 16, 20238 events
• Dense Fog in Montana, January 17 to 20, 20238 events
• High Wind in Montana, January 21, 202357 kt wind · 1 event
• Winter Weather in Montana, January 22, 20231 death · 1 event
• High Wind in Montana, January 26, 202357 kt wind · 7 events
• High Wind in Montana, January 26, 202358 kt wind · 5 events
• High Wind in Montana, January 26, 202359 kt wind · 4 events
• Winter Storm in Montana, January 26 to 28, 202323 events
• Winter Storm and Extreme Cold in Montana, January 26 to 30, 202327 events
• Winter Storm and Winter Weather in Montana, January 27 to 28, 20231 death · 7 events
• Cold in Montana, January 29 to 31, 20234 events
• Extreme Cold in Montana, January 30, 20232 events
• High Wind in Montana, January 31, 202370 kt wind · 4 events
• Blizzard in Montana, January 31, 20231 event
• Winter Storm and Winter Weather in Montana, January 31, 20233 events

February 2023

• Drought in Montana, February 1 to 28, 202314 events
• Drought in Montana, February 1 to 6, 20231 event
• High Wind in Montana, February 3 to 4, 202364 kt wind · 12 events
• High Wind in Montana, February 4, 202351 kt wind · 2 events
• High Wind in Montana, February 6 to 7, 202377 kt wind · 10 events
• High Wind in Montana, February 7 to 8, 202363 kt wind · 6 events
• High Wind in Montana, February 12 to 13, 202369 kt wind · 12 events
• Heavy Snow in Montana, February 13 to 14, 202311 events
• Winter Storm in Montana, February 13 to 14, 202311 events
• Winter Storm and Heavy Snow in Montana, February 18 to 22, 20236 injured · 68 kt wind · 34 events
• Winter Storm in Montana, February 19 to 22, 202322 events
• High Wind in Montana, February 19, 202364 kt wind · 5 events
• High Wind in Montana, February 19 to 21, 202358 kt wind · 3 events
• Winter Storm and Winter Weather in Montana, February 20 to 21, 2023$4,000 · 8 events
• Blizzard and Heavy Snow in Montana, February 20 to 21, 20234 events
• Extreme Cold and Cold in Montana, February 21 to 24, 20239 events
• Extreme Cold in Montana, February 22, 20236 events
• Extreme Cold in Montana, February 23, 20238 events
• Extreme Cold in Montana, February 23 to 24, 202317 events
• Winter Storm and High Wind in Montana, February 24 to 26, 202363 kt wind · 7 events

March 2023

• Drought in Montana, March 1 to 31, 20239 events
• Drought in Montana, March 1 to 20, 20234 events
• Drought in Montana, March 1 to 27, 20231 event
• High Wind in Montana, March 2 to 3, 202376 kt wind · 13 events
• Winter Weather in Montana, March 2, 20231 death · 3 events
• Heavy Snow in Montana, March 5 to 6, 20234 events
• Winter Storm in Montana, March 5 to 6, 20232 events
• Winter Storm and Heavy Snow in Montana, March 9 to 11, 202367 kt wind · 22 events
• Blizzard and Heavy Snow in Montana, March 10 to 11, 202315 events
• Winter Weather in Montana, March 10, 20231 event
• Blizzard in Montana, March 11, 20231 event
• Winter Storm and Heavy Snow in Montana, March 14 to 15, 2023$200,000 · 59 kt wind · 19 events
• Heavy Snow in Montana, March 15 to 16, 20234 events
• Dense Fog in Montana, March 17 to 18, 20233 events
• Dense Fog in Montana, March 22 to 23, 20235 events
• Dense Fog in Montana, March 23 to 24, 20233 events
• Heavy Snow in Montana, March 24 to 27, 20237 events
• Winter Storm in Montana, March 24 to 27, 202314 events
• Dense Fog in Montana, March 25, 20232 events
• Dense Fog in Montana, March 25 to 26, 20235 events
• Heavy Snow in Montana, March 29 to 30, 20232 events

April 2023

• Drought in Montana, April 1 to 24, 20238 events
• Drought in Montana, April 1 to 17, 20231 event
• Winter Storm and High Wind in Montana, April 1 to 2, 202363 kt wind · 12 events
• Winter Storm in Montana, April 1, 20231 event
• High Wind in Montana, April 2, 202357 kt wind · 2 events
• Winter Storm in Montana, April 3 to 4, 20235 events
• Flooding in Montana, April 7 to 14, 2023$5.3 million · 9 events
• Avalanche in Montana, April 8, 20231 event
• High Wind in Montana, April 10 to 11, 202358 kt wind · 12 events
• Flooding in Montana, April 10 to 26, 20238 events
• High Wind in Montana, April 11, 202354 kt wind · 1 event
• Heavy Snow in Montana, April 12 to 13, 202314 events
• Winter Weather in Montana, April 12 to 13, 20231 event
• Heavy Snow in Montana, April 13 to 14, 20233 events
• High Wind in Montana, April 16, 202368 kt wind · 2 events
• Heavy Snow and Winter Weather in Montana, April 18 to 20, 202316 events
• Winter Weather in Montana, April 18 to 19, 20231 event
• Blizzard and Heavy Snow in Montana, April 19 to 21, 20238 events
• Heavy Snow in Montana, April 24, 20231 event
• High Wind in Montana, April 27, 202353 kt wind · 2 events

May 2023

• Flood in Montana, May 3 to 11, 20231 event
• Flood in Montana, May 6, 20231 event
• Tornado in Montana, May 9, 2023$2,000 · EF0 · 1 event
• Damaging Wind in Montana, May 15, 2023$2,000 · 1 event
• Flood and Heavy Rain in Montana, May 16 to 22, 20232 deaths · $60,000 · 4 events
• Damaging Wind in Montana, May 17, 202356 kt wind · 1 event
• Debris Flow and Hail in Montana, May 21, 20231 in hail · 2 events
• Hail and Damaging Wind in Montana, May 22, 2023$2,000 · 1 in hail · 2 events
• Flash Flood and Hail in Montana, May 24, 20232.75 in hail · 4 events
• Flash Flood and Hail in Montana, May 24 to 25, 20231 in hail · 4 events
• Hail in Montana, May 24, 20231 in hail · 1 event
• Hail and Damaging Wind in Montana, May 25 to 27, 2023$200,000 · 1.75 in hail · 6 events
• Hail in Montana, May 25, 20231.25 in hail · 1 event
• Hail in Montana, May 26, 20231 in hail · 1 event
• Flash Flood in Montana, May 27, 20231 event
• Hail in Montana, May 27, 20231 in hail · 1 event

June 2023

• Flooding and Hail in Montana, June 1 to 4, 2023$10,000 · 1.5 in hail · 5 events
• Flash Flooding and Hail in Montana, June 1, 20231 in hail · 3 events
• Tornado in Montana, June 1, 20231 event
• Flash Flooding and Flood in Montana, June 2 to 3, 20236 events
• Flooding in Montana, June 2 to 7, 20232 events
• Damaging Wind in Montana, June 2, 202358 kt wind · 1 event
• Flash Flood in Montana, June 2, 2023$1.6 million · 1 event
• Damaging Wind in Montana, June 4, 202353 kt wind · 1 event
• Damaging Wind in Montana, June 4, 202352 kt wind · 1 event
• Tornado and Flash Flooding in Montana, June 5 to 10, 2023$500,000 · 1 in hail · 15 events
• Flash Flooding and Hail in Montana, June 6, 20231.5 in hail · 7 events
• Hail in Montana, June 6, 20231 in hail · 1 event
• Flash Flood and Debris Flow in Montana, June 6 to 7, 2023$15,000 · 3 events
• Heavy Rain in Montana, June 7, 20231 event
• Flash Flood in Montana, June 7, 20231 event
• Flash Flooding in Montana, June 8, 20236 events
• Hail in Montana, June 8, 20231.25 in hail · 2 events
• Flood in Montana, June 9, 20231 event
• Tornado in Montana, June 9, 20232 events
• Lightning Strike in Montana, June 11, 20232 injured · 1 event
• Damaging Wind in Montana, June 14, 202350 kt wind · 1 event
• Hail and Damaging Winds in Montana, June 19, 20231.75 in hail · 7 events
• High Wind in Montana, June 19, 202352 kt wind · 2 events
• Heavy Rain in Montana, June 19, 20231 event
• Hail in Montana, June 19, 20231.5 in hail · 1 event
• Flash Flooding and Hail in Montana, June 23, 20231.25 in hail · 5 events
• Flash Flood and Hail in Montana, June 23 to 27, 2023$100,000 · 1 in hail · 3 events
• Flash Flood in Montana, June 23, 20231 event
• Flash Flooding in Montana, June 24, 20232 events
• Flood in Montana, June 26, 20231 event
• Funnel Cloud in Montana, June 27, 20231 event
• Funnel Clouds in Montana, June 27, 20232 events
• Lightning Strike in Montana, June 30, 2023$5,000 · 1 event

July 2023

• Hail and Damaging Winds in Montana, July 1 to 6, 2023$20,000 · 1 in hail · 8 events
• Damaging Winds in Montana, July 1, 202356 kt wind · 3 events
• Hail in Montana, July 2, 20231 in hail · 2 events
• Damaging Winds in Montana, July 10, 202361 kt wind · 5 events
• Damaging Winds in Montana, July 10, 202356 kt wind · 4 events
• Hail and Damaging Winds in Montana, July 11, 20232.5 in hail · 10 events
• Hail and Damaging Wind in Montana, July 11, 20233 in hail · 12 events
• Damaging Winds in Montana, July 13, 202355 kt wind · 2 events
• High Wind in Montana, July 17, 202354 kt wind · 3 events
• Hail and Damaging Wind in Montana, July 22, 20231.75 in hail · 4 events
• Damaging Winds in Montana, July 24, 202354 kt wind · 2 events
• Damaging Wind in Montana, July 25, 202353 kt wind · 1 event
• Hail in Montana, July 27, 20231 in hail · 1 event
• Hail and Damaging Wind in Montana, July 28 to 30, 2023$1.0 million · 2.5 in hail · 13 events
• Hail and Damaging Wind in Montana, July 28, 20231.75 in hail · 2 events
• Hail and Damaging Winds in Montana, July 29 to 30, 20231 in hail · 3 events
• Lightning Strike in Montana, July 30, 2023$70,000 · 1 event
• Hail and Damaging Winds in Montana, July 30, 20231.5 in hail · 19 events
• Wildfire in Montana, July 30, 2023$300,000 · 1 event

August 2023

• Hail and Damaging Wind in Montana, August 1, 20231 in hail · 2 events
• Wildfire in Montana, August 1 to 31, 20231 event
• Heavy Rain in Montana, August 3, 20232 events
• Tornadoes in Montana, August 6, 2023EF0 · 2 events
• Hail in Montana, August 6, 20231.5 in hail · 1 event
• Damaging Wind in Montana, August 17, 202351 kt wind · 1 event
• Damaging Winds in Montana, August 17 to 18, 202356 kt wind · 4 events
• High Wind in Montana, August 18, 202354 kt wind · 1 event
• Damaging Winds in Montana, August 18 to 22, 2023$45,000 · 65 kt wind · 11 events
• Damaging Winds in Montana, August 18, 202361 kt wind · 4 events
• High Wind in Montana, August 21, 20231 event
• Damaging Winds in Montana, August 21, 202351 kt wind · 2 events
• Drought in Montana, August 22 to 31, 20237 events
• Damaging Winds in Montana, August 22, 2023$10,000 · 59 kt wind · 2 events
• Flood in Montana, August 22, 20231 event
• Damaging Winds in Montana, August 22, 202361 kt wind · 2 events
• Damaging Winds in Montana, August 29, 2023$15,000 · 52 kt wind · 3 events
• Damaging Winds and High Wind in Montana, August 29 to 30, 202364 kt wind · 18 events
• Damaging Winds in Montana, August 30, 202361 kt wind · 13 events
• Damaging Winds in Montana, August 30, 202352 kt wind · 7 events

September 2023

• Drought in Montana, September 1 to 30, 20237 events
• Damaging Winds in Montana, September 3, 202352 kt wind · 3 events
• Hail and Damaging Wind in Montana, September 4, 20231 in hail · 2 events
• Hail in Montana, September 8, 20231 in hail · 1 event
• High Wind in Montana, September 17 to 18, 202361 kt wind · 3 events
• Damaging Wind in Montana, September 18, 202354 kt wind · 1 event
• Dense Fog in Montana, September 23 to 24, 20232 events

October 2023

• Drought in Montana, October 1 to 30, 20233 events
• Drought in Montana, October 1 to 31, 20234 events
• Winter Weather in Montana, October 11 to 12, 20231 event
• Winter Storm in Montana, October 11 to 12, 20232 events
• High Wind in Montana, October 17, 202365 kt wind · 31 events
• High Wind in Montana, October 17, 202361 kt wind · 9 events
• High Wind in Montana, October 17, 202356 kt wind · 6 events
• Winter Storm and Winter Weather in Montana, October 24 to 26, 20238 events
• Winter Storm and Heavy Snow in Montana, October 24 to 26, 202323 events
• Winter Storm in Montana, October 24 to 26, 202323 events
• Heavy Snow in Montana, October 24 to 27, 20238 events
• Winter Weather in Montana, October 25, 20231 death · 2 injured · 1 event

November 2023

• Drought in Montana, November 1 to 13, 20234 events
• Winter Weather in Montana, November 2, 20232 events
• Dense Fog in Montana, November 2, 20235 events
• Dense Fog in Montana, November 3 to 4, 20235 events
• Dense Fog in Montana, November 6, 20231 event
• High Wind in Montana, November 7, 202353 kt wind · 1 event
• High Wind in Montana, November 11 to 12, 202377 kt wind · 17 events
• High Wind in Montana, November 12, 202357 kt wind · 1 event
• Heavy Snow and High Wind in Montana, November 15 to 16, 202350 kt wind · 8 events
• High Wind in Montana, November 19, 202363 kt wind · 4 events
• High Wind and Winter Weather in Montana, November 21 to 23, 20231 death · 2 injured · 58 kt wind · 5 events
• Winter Weather in Montana, November 22, 20233 events
• Winter Storm in Montana, November 22 to 24, 20232 events

December 2023

• Heavy Snow and Winter Weather in Montana, December 1 to 4, 20231 death · 3 injured · $130,000 · 3 events
• High Wind in Montana, December 2 to 5, 202363 kt wind · 8 events
• High Wind in Montana, December 3 to 4, 202364 kt wind · 2 events
• High Wind in Montana, December 4, 202356 kt wind · 1 event
• High Wind in Montana, December 9 to 10, 202358 kt wind · 3 events
• High Wind in Montana, December 9 to 10, 202350 kt wind · 3 events
• Dense Fog and Freezing Fog in Montana, December 15 to 18, 20232 deaths · 5 injured · $70,000 · 2 events
• Freezing Fog and Dense Fog in Montana, December 21 to 22, 20231 death · 2 injured · $100,000 · 3 events
• Dense Fog in Montana, December 31, 20231 event

Every year in MontanaEvery state in 2023Tornadoes in Montana in 2023Warnings in Montana in 202320222024

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.