Colorado

Storm History: Delta County, Colorado

1,339 episodes, 2,875 events since 1993

Every storm the National Weather Service has filed in Delta County, Colorado: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
2,875
Deaths
18
Injuries
16
Damage
$186 million
Episodes
1,339

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 Delta County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Winter Storm99810$22,000
Winter Weather56600$5,000
Drought52800
Heavy Snow32500
Frost/Freeze8000$17 million
High Wind7300$221,000
Wildfire5803$162 million
Blizzard4600
Dense Fog3300
Avalanche311713$7,000
Excessive Heat3100
Thunderstorm Wind1600$2.1 million
Extreme Cold/Wind Chill1500
Flash Flood1100$1.7 million
Flood1100$124,000
Strong Wind1000$35,000
Hail900$550,000
Funnel Cloud900
Heavy Rain700$10,000
Debris Flow600$2.1 million
Tornado400$75,000
Lightning300$36,000
Cold/Wind Chill300$100,000
Dust Devil100$3,000
Heat100

The deadliest

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Delta CountyEvery warning in Delta County since 1986Every county in Colorado

Sources

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.