Colorado Storm & Severe Weather History
Since 1996, Colorado has logged 46,416 severe-weather events — about 1,497 a year — with 289 direct deaths, 964 injuries and $10.4B in reported property damage.
By event type
Hail12,835—$4.8B
Winter Weather5,8592 d$132K
Winter Storm5,4962 d$33.5M
High Wind4,1828 d$78.4M
Thunderstorm Wind3,64113 d$23.4M
Heavy Snow3,2154 d$36K
Drought3,043——
Flash Flood1,55029 d$433.4M
Tornado1,3473 d$180.8M
Heavy Rain7862 d$787K
Wildfire66812 d$3.8B
Frost/Freeze611——
Lightning47550 d$12.1M
Blizzard42611 d$71.7M
Dense Fog4091 d$350K
Flood40517 d$775.8M
Events by year
19962026
Notable events (299)
Events with deaths, major damage, or a strong tornado — deadliest first.
WildfireJuly 1, 2012
Northern El Paso County / Monument Ridge / Rampart Range Below 7500 Ft · $400.0M damage
HailJuly 20, 2009
Jefferson · $350.0M damage
FloodSeptember 12, 2013
Boulder · 3 injured · $297.0M damage
WildfireJune 11, 2013
Northern El Paso County / Monument Ridge / Rampart Range Below 7500 Ft · $293.0M damage
HailJune 19, 2018
Arapahoe · $276.4M damage
FloodSeptember 12, 2013
Weld · $230.0M damage
WildfireSeptember 6, 2010
Larimer & Boulder Counties Between 6000 & 9000 Feet · $217.0M damage
HailSeptember 29, 2014
Arapahoe · $213.3M damage
HailAugust 6, 2018
El Paso · 8 injured · $172.8M damage
HailJune 13, 2018
El Paso · $169.0M damage
HailJuly 13, 2011
Adams · 2 injured · $164.8M damage
HailJune 7, 2012
Arapahoe · $161.1M damage
HailJune 7, 2009
Arapahoe · $161.0M damage
HailJune 6, 2012
Arapahoe · $160.0M damage
HailJune 9, 2004
Denver · $146.5M damage
Flash FloodAugust 11, 1997
Jefferson · $128.0M damage
Debris FlowJuly 29, 2021
Garfield · $125.0M damage
HailMay 22, 1996
Adams · $120.0M damage
FloodSeptember 12, 2013
Larimer · $109.0M damage
WildfireOctober 1, 2020
Larimer & Boulder Counties Between 6000 & 9000 Feet · $91.8M damage
HailJuly 29, 2009
Pueblo · 7 injured · $90.0M damage
HailOctober 16, 1998
Arapahoe · $87.8M damage
HailMay 26, 2010
Adams · $70.0M damage
HailJune 20, 2001
Adams · 5 injured · $49.0M damage
WildfireOctober 17, 2020
Boulder & Jefferson Counties Below 6000 Feet / W Broomfield County · $36.9M damage
HailJune 14, 1999
Adams · $35.0M damage
WildfireJune 27, 2018
Southern Sangre De Cristo Mountains Between 7500 & 11000 Ft · $32.0M damage
FloodSeptember 15, 2013
Morgan · $30.7M damage
Flash FloodApril 29, 1999
El Paso · $28.0M damage
Debris FlowJuly 31, 2021
Garfield · $25.0M damage
FloodAugust 11, 1997
Pueblo · $25.0M damage
HailJune 14, 2002
El Paso · $24.0M damage
WildfireApril 22, 2026
Kit Carson County · $20.0M damage
BlizzardMarch 17, 2003
Elbert / C & E Douglas Counties Above 6000 Feet · $15.5M damage
Winter StormMarch 17, 2003
Larimer & Boulder Counties Between 6000 & 9000 Feet · $15.5M damage
Winter StormMarch 17, 2003
Jefferson & W Douglas Counties Above 6000 Feet / Gilpin / Clear Creek / Ne Park Counties Below 9000 Feet · $15.5M damage
BlizzardMarch 17, 2003
N Douglas County Below 6000 Feet / Denver / W Adams & Arapahoe Counties / E Broomfield County · 2 injured · $15.5M damage
BlizzardMarch 17, 2003
Boulder & Jefferson Counties Below 6000 Feet / W Broomfield County · $15.5M damage
BlizzardMarch 17, 2003
Larimer County Below 6000 Feet / Nw Weld County · $15.5M damage
Flash FloodJuly 30, 2012
El Paso · $15.0M damage
Source: NOAA/NCEI Storm Events Database. Counts are every logged event since 1996; the "notable" list is filtered to events with fatalities, major damage or a strong tornado. Damage is the reporting office's estimate. A record of past weather is not a forecast. See About the Data.