Colorado Summary

From 1980–2024 (as of November 1, 2024), there have been 75 confirmed weather/climate disaster events with losses exceeding $1 billion each to affect Colorado. These events included 15 drought events, 2 flooding events, 1 freeze event, 42 severe storm events, 12 wildfire events, and 3 winter storm events. The 1980–2023 annual average is 1.6 events (CPI-adjusted); the annual average for the most recent 5 years (2019–2023) is 3.6 events (CPI-adjusted).

Billion-dollar events to affect Colorado from 1980 to 2024* (CPI-AUnadjusted)
Disaster TypeEventsEvents/​YearPercent FrequencyTotal CostsPercent of Total Costs
Drought150.320.0%$5.0B-$10.0B14.2%
Flooding20.02.7%$2.0B-$5.0B4.1%
Freeze10.01.3%$100M-$250M0.2%
Severe Storm420.956.0%$20.0B-$50.0B66.2%
Tropical Cyclone----------
Wildfire120.316.0%$5.0B-$10.0B14.4%
Winter Storm30.14.0%$250M-$500M0.8%
All Disasters751.7100.0%$50.0B-$100.0B100.0%
Drought150.322.7%$5.0B-$10.0B14.4%
Flooding20.03.0%$1.0B-$2.0B4.4%
Freeze10.01.5%$5M-$100M0.1%
Severe Storm350.853.0%$20.0B-$50.0B64.2%
Tropical Cyclone----------
Wildfire100.215.2%$5.0B-$10.0B15.8%
Winter Storm30.14.5%$250M-$500M1.1%
All Disasters661.5100.0%$20.0B-$50.0B100.0%
Select Time Period Comparisons of Colorado Billion-Dollar Drought, Flooding, Freeze, Severe Storm, Tropical Cyclone, Wildfire, and Winter Storm Statistics (CPI-AUnadjusted)
Time PeriodBillion-Dollar DisastersEvents/YearCostPercent of Total Cost
1980s (1980-1989)50.5$1.0B-$2.0B3.8%
1990s (1990-1999)50.5$2.0B-$5.0B5.3%
2000s (2000-2009)141.4$5.0B-$10.0B11.8%
2010s (2010-2019)303.0$20.0B-$50.0B47.9%
Last 5 Years (2019-2023)183.6$10.0B-$20.0B29.3%
Last 3 Years (2021-2023)144.7$10.0B-$20.0B21.7%
Last Year (2023)55.0$2.0B-$5.0B9.9%
All Years (1980-2024)*751.7$50.0B-$100.0B100.0%
1980s (1980-1989)20.2$100M-$250M0.4%
1990s (1990-1999)20.2$100M-$250M0.5%
2000s (2000-2009)131.3$2.0B-$5.0B8.5%
2010s (2010-2019)282.8$10.0B-$20.0B49.8%
Last 5 Years (2019-2023)183.6$10.0B-$20.0B37.1%
Last 3 Years (2021-2023)144.7$5.0B-$10.0B28.3%
Last Year (2023)55.0$2.0B-$5.0B13.6%
All Years (1980-2024)*661.5$20.0B-$50.0B100.0%
Billion-Dollar Events to affect Colorado
Event Type Begin
Date
End
Date
Summary CPI-AUnadjusted
Estimated
Cost
(in Billions)
Deaths
Colorado Hail Storms and Southern Severe Weather
May 2024
Severe StormMay 31, 2024June 1, 2024Severe hail storms caused damage across eastern Colorado, with numerous reports of golf ball to baseball-sized hail. There was considerable damage to homes, vehicles, businesses and other infrastructure. Severe storms also produced high wind damage across Texas.$3.0 CI0
Central, Southern, Eastern Severe Weather
May 2024
Severe StormMay 18, 2024May 22, 2024Severe storms across many central, southern and eastern states produced widespread impacts from several dozen tornadoes, severe hail and high winds. The states most impacted were Nebraska, Kansas, Oklahoma, Texas, Iowa and Wisconsin, as each experienced considerable damage to homes, vehicles, businesses, agriculture and additional infrastructure. On May 21, an EF-4 tornado cut a 44-mile path across southeast Iowa, with peak wind speeds of 175-185 mph. The town of Greenfield, Iowa was heavily damaged. Multiple 'Particularly Dangerous Situation (PDS)' watches were issued by NOAA's National Weather Service for these states, during this multi-day sequence. Several eastern states also sustained high wind damage from these storms.$4.9 CI5
Central, Southern, Southeastern Tornado Outbreak
May 2024
Severe StormMay 6, 2024May 9, 2024An outbreak producing more than 165 tornadoes developed across many central, southern and southeastern states. The states most affected include Oklahoma, Kansas, Nebraska, Michigan, Indiana, Ohio, Kentucky, Tennessee, Alabama, North Carolina, South Carolina, Georgia and Florida. This multi-day torando outbreak produced at least 61 EF-0, 79 EF-1, 13 EF-2, three EF-3, one EF-4 tornado and dozens of EF-U (unknown/unrated) tornadoes, causing widespread damage to many homes, businesses, vehicles, agriculture and other infrastructure. The towns of Barnsdall and Bartlesville, Oklahoma were impacted by a violet EF-4 tornado that caused extensive damage.$6.6 CI3
Southern and Eastern Severe Weather
April 2024
Severe StormApril 8, 2024April 11, 2024Southern and eastern severe weather produced tornadoes, hail and high wind, from Texas to Virginia. The event began with severe hail and high wind impacts across central and eastern Texas, followed by more than 20 tornadoes impacting the Gulf Coast counties of Louisiana, Mississippi, Alabama and Florida. There were additional high wind and tornado impacts in North Carolina and Virginia.$2.7 CI0
Central, Southern, Northeastern Winter Storm and Cold Wave
January 2024
Winter StormJanuary 14, 2024January 18, 2024A bitterly cold airmass affected numerous central and southern states most including Illinois, Missouri, Kansas, Texas, Mississippi, Arkansas, Tennessee and Georgia. This long-duration cold wave produced sleet and freezing rain accumulations into the deep south, across much of Mississippi. High winds also pushed wind chills well below zero for many states contributing to dozens of fatalities, many in Tennessee. Damage also occurred to homes, vehicles and businesses from the high winds and frozen precipitation.$1.9 CI41
Northeastern and Eastern Severe Weather
August 2023
Severe StormAugust 5, 2023August 8, 2023More than one thousand reports of high wind, severe hail or tornadoes across many Northeastern and Eastern states. August 7 was a prolific day of severe weather with damage reports from Georgia to New York. These storms caused impacts to many homes, vehicles, businesses, agriculture and other infrastructure.$1.7 CI4
Central Severe Weather
June 2023
Severe StormJune 28, 2023July 2, 2023Severe storms caused damage across numerous Central states. The state most impacted were Missouri, Illinois and Indiana while there were also damage in many surrounding states. The damage to many homes, vehicles, businesses and agriculture assets was largely from high wind and damaging hail but there were also scattered tornado impacts.$2.0 CI3
Rockies Hail Storms and Central and Eastern Severe Weather
June 2023
Severe StormJune 21, 2023June 26, 2023Severe hail storms across Colorado damaged many homes, vehicles and injured approximately 100 people at a large outdoor concert. This multi-day outbreak of severe weather also produced more than 60 tornadoes across portions of Wyoming, Colorado, Minnesota, Indiana, Kentucky and Arkansas that caused damage to homes, businesses, vehicles, agriculture and other infrastructure.$5.4 CI8
Southern Severe Weather
June 2023
Severe StormJune 11, 2023June 14, 2023Numerous southern states including Texas, Louisiana, Mississippi, Alabama, Georgia, Tennessee, Arkansas, South Carolina and Florida were impacted by hail, tornadoes and high winds. These storms caused damage to many homes, vehicles and businesses across several days of severe storm activity.$4.2 CI0
Central and Eastern Tornadoes and Hail Storms
May 2023
Severe StormMay 10, 2023May 12, 2023Dozens of tornadoes and severe hail storms from the eastern Rockies and across several central states. The most costly severe hail impacts were focused in Colorado while numerous tornadoes also impacted western Kansas, central Oklahoma and eastern Nebraska. Texas and North Dakota were also impacted from combination of high winds, hail and isolated tornadoes with damage to homes, businesses, vehicles, farms and other infrastructure.$3.6 CI1
Central Severe Weather
June 2022
Severe StormJune 7, 2022June 8, 2022Severe weather produced damaging hail, high wind and damage from more than two dozen tornadoes across numerous states including Colorado, Nebraska, Kansas, Missouri, Oklahoma, Texas, Iowa and Ohio. Hail and high wind damage was severe across much of Nebraska causing widespread damage to homes, businesses, vehicles, farms and agriculture and other infrastructure.$2.0 CI0
Southern Severe Weather
April 2022
Severe StormApril 11, 2022April 13, 2022Severe weather including hundreds of damaging wind reports and dozens of tornadoes occurred across Arkansas, Louisiana, Mississippi, Alabama, Texas, Tennessee and Kentucky. On April 11, tornadoes and damaging hail was focused across central Arkansas causing damage to homes, vehicles, outbuildings and farms and vegetation. April 12 and 13 produced widespread high wind reports and dozens of tornadoes across central Mississippi, northeast Arkansas and west-central Kentucky. These tornadoes produced damage to homes, businesses, farms, outbuildings and other infrastructure. There was also considerable hail damage across Wisconsin and Minnesota.$2.9 CI1
Midwest Derecho and Tornado Outbreak
December 2021
Severe StormDecember 15, 2021December 15, 2021A rare, record-breaking December derecho and tornado outbreak caused widespread damage that was focused across Kansas, Nebraska, Iowa, Minnesota and Wisconsin. There were many reports of hurricane-force thunderstorm wind gusts and more than 50 tornadoes causing widespread damage to homes, vehicles, businesses and infrastructure. This was the first December derecho on record to occur within the United States. This event also produced the first December tornado on record in Minnesota since 1950, with 17 tornadoes reported across southeast Minnesota.$2.0 CI1
Central Severe Storms
June 2021
Severe StormJune 24, 2021June 26, 2021A combination of thunderstorm high winds, hail and tornadoes affected numerous Central states. The states most affected included Michigan, Illinois, Indiana, Ohio, Missouri, Kansas and Texas with damage to homes, businesses, vehicles and agriculture.$1.5 CI0
Colorado Hail Storms
July 2019
Severe StormJuly 4, 2019July 5, 2019Colorado hail storms across the Denver and Fort Collins that damaged many homes and vehicles.$1.2 CI0
Rockies, Central and Northeast Tornadoes and Severe Weather
May 2019
Severe StormMay 26, 2019May 29, 2019A four-day tornado outbreak impacts many states across the Rockies, Central and Northeast (CO, WY, NE, KS, OK, MO, IA, IL, IN, OH, PA and NJ). This outbreak produced 190 tornadoes in addition to hundreds of reports of damaging hail and straight-line thunderstorm winds. Of particular note was an EF-4 tornado that produced heavy damage near the city of Dayton, Ohio on May 27.$5.7 CI3
Southwest/Southern Plains Drought
Summer-Fall 2018
DroughtJune 1, 2018December 30, 2018Drought conditions were present across numerous Southwestern and Plains states (TX, OK, KS, MO, CO, NM, AZ, UT). The most extreme drought conditions continue to persist across the Four Corners region of the Southwest. The agriculture sector has been impacted across the affected states including damage to field crops from lack of rainfall. Ranchers have also be forced to sell-off livestock early in some regions due to high feeding costs.$3.8 CI0
Rockies and Plains Hail Storms
August 2018
Severe StormAugust 6, 2018August 7, 2018Severe hail impacts from baseball to softball size impacted several states including Colorado, Nebraska and Wyoming. The most costly impacts occurred in numerous locations of eastern Colorado.$1.3 CI0
Mountain West Severe Weather
July 2018
Severe StormJuly 26, 2018July 29, 2018Severe weather including hail, high winds and 19 tornadoes impacted Montana, Wyoming and Colorado. These impacts caused damage to homes, businesses, vehicles and other infrastructure.$1.1* CI0
Colorado Hail Storm
June 2018
Severe StormJune 18, 2018June 19, 2018Severe hail storms cause golf ball to baseball-sized hail and widespread damage in many areas from northern Denver to Boulder and Fort Collins. Many homes, businesses and vehicles were impacted. Utah also experienced moderate hail damage.$2.8 CI0
Colorado Hail Storm
June 2018
Severe StormJune 13, 2018June 13, 2018Hailstorms in Colorado Springs and Pueblo, Colorado cause severe damage to many homes, businesses and vehicles.$1.2 CI0
Central and Eastern Severe Weather
May 2018
Severe StormMay 13, 2018May 15, 2018Severe storm damage across many Central states including TX, KS, CO, OK, MO, IL, IN, IA and OH. This was followed by a derecho event across the Northeastern states of MD, NJ, NY, PA, VA, WV, MA and CT that caused widespread high wind damage. Also, there were one dozen tornadoes reported across PA, NY and CT causing further damage.$1.7 CI5
Central and Northeast Severe Weather
May 2018
Severe StormMay 1, 2018May 4, 2018Numerous central states (KS, NE, OK, TX, NM, MO, IA, IL, IN, OH, WI) were impacted by large hail and tornadoes. Several northeastern states including NY, PA and VT were also impacted by high wind damage from severe storms.$1.8 CI0
Colorado Hail Storm and Central Severe Weather
May 2017
Severe StormMay 8, 2017May 11, 2017Hail storm and wind damage impacting several states including CO, OK, TX, NM, MO. The most costly impacts were in the Denver metro region where baseball-sized hail caused the most expensive hail storm in Colorado history, with insured losses exceeding $2.2 ($2.8) billion.$4.3 CI0
Rockies and Northeast Severe Weather
July 2016
Severe StormJuly 28, 2016July 30, 2016Severe storms across the Rockies and Northeastern states (CO, WY, VA, MD, PA, NJ, NY) caused large hail and high wind damage. Storm damage in Colorado was the most costly due to hail.$1.9 CI0
Rockies/Central Tornadoes and Severe Weather
May 2016
Severe StormMay 21, 2016May 26, 2016Sustained period of severe thunderstorms and tornadoes affecting several states including Montana, Colorado, Kansas, Missouri and Texas. The most concentrated days for tornado development were on May 22 and 24. Additional damage was created by straight-line high wind and hail damage.$1.5 CI0
Plains Tornadoes and Central Severe Weather
May 2016
Severe StormMay 8, 2016May 11, 2016Tornadoes and severe storms cause widespread damage across the Plains and Central states (NE, MO, TX, OK, KS, CO, IL, KY, TN) over a multi-day period. The damage from tornadoes and high wind was most costly in Nebraska and Missouri.$2.3 CI2
Central and Northeast Severe Weather
June 2015
Severe StormJune 21, 2015June 25, 2015Severe storms across numerous Central and Northeast states (CO, CT, IA, IL, MD, MI, NJ, NY, PA, SD, VA, WI) with widespread hail and high wind damage.$1.5 CI1
Texas and Oklahoma Flooding and Severe Weather
May 2015
FloodingMay 23, 2015May 26, 2015A slow-moving system caused tremendous rainfall and subsequent flooding to occur in Texas and Oklahoma. The Blanco river in Texas swelled from 5 feet to a crest of more than 40 feet over several hours causing considerable property damage and loss of life. The city of Houston also experienced flooding which resulted in hundreds of high-water rescues. The damage in Texas alone exceeded $1.0 ($1.4) billion. There was also damage in other states (KS, CO, AR, OH, LA, GA, SC) from associated severe storms.$3.4 CI31
Southern Plains Tornadoes
May 2015
Severe StormMay 6, 2015May 10, 2015Tornado outbreak across the Southern Plain states (IA, KS, NE, OK, CO, SD, TX) with 122 tornadoes. The most costly damage occurred across Texas and Oklahoma.$1.7 CI4
Rockies/Plains Severe Weather
September 2014
Severe StormSeptember 29, 2014October 2, 2014Severe storms across the Rockies and Plains states (CO, KS, TX). Large hail and high winds created significant damage across eastern Colorado and Texas, particularly in the Dallas metro area.$1.8 CI0
Rockies/Midwest/Eastern Severe Weather
May 2014
Severe StormMay 18, 2014May 23, 2014Severe storms across the Rockies, Midwest and Eastern states (CO, MT, IA, IL, IN, OH, SC, VA, PA, DE, NY) with the most costly damage in Colorado, Illinois and Pennsylvania.$4.9 CI0
Colorado Flooding
September 2013
FloodingSeptember 10, 2013September 16, 2013A stalled frontal boundary over Colorado led to record rainfall, as some areas received > 15 inches over several days. This resulted in historic flooding across numerous cities and towns. Destruction of residences, businesses and transportation infrastructure was widespread.$2.0 CI9
U.S. Drought/Heat Wave
2012
DroughtJanuary 1, 2012December 31, 2012The 2012 drought is the most extensive drought to affect the U.S. since the 1930s. Moderate to extreme drought conditions affected more than half the country for a majority of 2012. The following states were affected: CA, NV, ID, MT, WY, UT, CO, AZ, NM, TX, ND, SD, NE, KS, OK, AR, MO, IA, MN, IL, IN, GA. Costly drought impacts occurred across the central agriculture states resulting in widespread harvest failure for corn, sorghum and soybean crops, among others. The associated summer heat wave also caused 123 direct deaths, but an estimate of the excess mortality due to heat stress is still unknown.$41.7 CI123
Rockies/Southwest Severe Weather
June 2012
Severe StormJune 6, 2012June 12, 2012Severe storms and damaging hail over several states (CO, NM, TX) with 25 confirmed tornadoes. Colorado experienced over $1.0 ($1.4) billion in damage due to hail.$3.6 CI0
Texas, New Mexico, Arizona Wildfires
Summer-Fall 2011
WildfireJune 1, 2011November 30, 2011Continued drought conditions and periods of extreme heat provided conditions favorable for a series of historic wildfires across Texas, New Mexico and Arizona. The Bastrop Fire in Texas was the most destructive fire in Texas history destroying over 1,500 homes. The Wallow Fire consumed over 500,000 acres in Arizona making it the largest on record in Arizona. The Las Conchas Fire in New Mexico was also the state's largest wildfire on record scorching over 150,000 acres while threatening the Los Alamos National Laboratory. Over 3 million acres have burned across Texas this wildfire season.$2.5 CI5
Southern Plains/Southwest Drought and Heat Wave
Spring-Summer 2011
DroughtMarch 1, 2011August 31, 2011Drought and heat wave conditions created major impacts across Texas, Oklahoma, New Mexico, Arizona, southern Kansas, and western Louisiana. In Texas and Oklahoma, a majority of range and pastures were classified in "very poor" condition for much of the 2011 crop growing season.$17.1 CI95
Rockies and Midwest Derecho
July 10-11, 2011
Severe StormJuly 10, 2011July 11, 2011A derecho produced a wide swatch of high wind damage beginning east of the Rockies and across the central plains (CO, IA, IL, MI, MN, OH).$1.7 CI2
Rockies/Central/East Severe Weather
June 2010
Severe StormJune 10, 2010June 15, 2010Severe storms cause high wind and hail damage across numerous states including CO, NM, KS, OK, IL, IN, GA, SC and NC.$1.3* CI2
Western Wildfires
Summer-Fall 2009
WildfireJune 1, 2009November 30, 2009Residual and sustained drought conditions across western and south-central states resulted in thousands of wildfires. Most affected states include CA, AZ, NM, TX, OK, and UT. National wildfire acreage burned exceeds 5.9 million acres. Over 200 homes and structures destroyed in the California "Station" fire alone.$1.5 CI10
Colorado Hail Storm
July 2009
Severe StormJuly 20, 2009July 20, 2009Severe hail impacts Colorado. Jefferson County was most affected with hail at least 8 inches deep. The hail damage from this storm was comparable to the July 11, 1990 Colorado hail storm.$1.5 CI0
Midwest Tornadoes and Severe Weather
May 2008
Severe StormMay 22, 2008May 27, 2008Outbreak of tornadoes over the Midwest/Ohio Valley regions (IL, IN, IA, KS, MN, NE, OK, WY, CO) with 235 tornadoes confirmed.$4.4 CI13
Midwest/Plains/Southeast Drought
Spring-Summer 2006
DroughtMarch 1, 2006August 31, 2006Rather severe drought affected crops especially during the spring-summer, centered over the Great Plains region with other areas affected across portions of the south -- including states of ND, SD, NE, KS, OK, TX, MN, IA, MO, AR, LA, MS, AL, GA, FL, MT, WY, CO, NM.$9.5 CI0
Colorado Hail Storms
June 2004
Severe StormJune 8, 2004June 9, 2004Several hailstorms across central and eastern Colorado cause widespread damage to many homes, businesses and vehicles.$1.2* CI0
Severe Storms/Tornadoes
May 2003
Severe StormMay 3, 2003May 10, 2003Numerous tornadoes over the midwest, Mississippi valley, OH/TN valleys, and portions of the southeast, with a modern record one-week total of approximately 400 tornadoes reported$7.1 CI51
Western Fire Season
Fall 2002
WildfireSeptember 1, 2002November 30, 2002Major wildfires over 11 western states from the Rockies to the west coast due to drought and periodic high winds, with over 7.1 million acres burned.$2.3 CI21
U.S. Drought
Spring-Fall 2002
DroughtMarch 1, 2002November 30, 2002Moderate to extreme drought over large portions of more than 30 states, including the western states, the Great Plains, and much of the eastern U.S.$16.0 CI0
Midwest/Ohio Valley Hail and Tornadoes
April 2001
Severe StormApril 6, 2001April 11, 2001Storms, tornadoes, and hail in the states of TX, OK, KS, NE, IA, MO, IL, IN, WI, MI, OH, KY, WV, and PA, over a 6-day period.$5.5 CI3
Western/Central/Southeast Drought/Heat Wave
Spring-Fall 2000
DroughtMarch 1, 2000November 30, 2000Western/Central/Southeast Drought/Heat Wave. The states impacted include AZ, AL, AR, CA, CO, FL, GA, IA, KS, LA, MS, MT, NE, NM, OK, OR, SC, TN, and TX.$9.3 CI140
Southern Plains Drought
Spring-Summer 1996
DroughtMarch 1, 1996August 31, 1996Severe drought in agricultural regions of southern plains--Texas and Oklahoma most severely affected$3.7 CI0
Midwest/Plains Tornadoes
April 1994
Severe StormApril 25, 1994April 27, 1994Tornadoes and severe storms cause damage in states across the South, Southeast and Midwest. The states impacted include TX, OK, AR, CO, KS, NE, IA, SD, IL, IN, MN and MO.$2.1 CI3
Colorado Hail Storm
July 1990
Severe StormJuly 11, 1990July 11, 1990Denver, CO (including airport) hit by severe hail storm. This was the costliest hail storm on record for Colorado when it occurred.$2.0* CI0
Northern Plains Drought
Summer-Fall 1989
DroughtJune 1, 1989November 30, 1989Severe summer drought over much of the northern plains with significant losses to agriculture. The states impacted include CO, IA, IL, KS, MO, ND, NE, NV, SD, TX and UT.$7.8 CI0
Western Severe Storms and Flooding
February 1986
Severe StormFebruary 14, 1986February 16, 1986Severe storms and flooding affect the states CA, CO, NV, OR, WY across the West.$1.5* CI13
Severe Storms and Hail
June 1984
Severe StormJune 13, 1984June 17, 1984Severe storms and hail impact Colorado, South Dakota and Nebraska.$1.4* CI1
Midwest/Plains/Southeast Tornadoes
April 1982
Severe StormApril 2, 1982April 4, 1982Tornadoes and severe weather affect the states (AL, AR, CO, IA, IL, IN, KS, KY, LA, MI, MN, MO, MS, NE, OH, OK, PA, TN, TX, WI, WV) across the Midwest, Plains and Southeast.$1.6* CI33

Deaths associated with drought are the result of heat waves. (Not all droughts are accompanied by extreme heat waves.)

Flooding events (river basin or urban flooding from excessive rainfall) are separate from inland flood damage caused by tropical cyclone events.

*Statistics valid as of November 1, 2024

Citing this information: