Colorado

Storm History: Rio Blanco County, Colorado

1,477 episodes, 2,556 events since 1957

Every storm the National Weather Service has filed in Rio Blanco 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
2,556
Deaths
6
Injuries
13
Damage
$4.7 million
Episodes
1,477

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 Rio Blanco 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 Storm76310$40,000
Drought51700
Winter Weather43500
Heavy Snow17300
Wildfire13502$2.5 million
High Wind12000$51,000
Dense Fog8900
Frost/Freeze8300$4,000
Flash Flood4705$358,000
Blizzard4500
Thunderstorm Wind3300$255,000
Debris Flow2900$72,000
Excessive Heat2100
Hail1500$1.0 million
Flood900$100,000
Heavy Rain900
Avalanche841$3,000
Extreme Cold/Wind Chill700
Funnel Cloud600
Tornado300$38,000
Cold/Wind Chill300
Lightning215$250
Strong Wind200$202,000
Dense Smoke200

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 Rio Blanco CountyEvery warning in Rio Blanco 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.