Colorado

Storm History: San Miguel County, Colorado

1,488 episodes, 3,359 events since 1981

Every storm the National Weather Service has filed in San Miguel 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
3,359
Deaths
28
Injuries
32
Damage
$154 million
Episodes
1,488

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 San Miguel 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 Storm1,03902$20,000
Drought71100
Winter Weather56000$15,000
Heavy Snow34003
Wildfire13001$152 million
Avalanche1142625$283,000
Frost/Freeze10700$32,000
Blizzard5900$10,000
High Wind5601$304,000
Debris Flow5110$537,000
Excessive Heat4000
Flash Flood3900$610,000
Dense Fog3500
Extreme Cold/Wind Chill2500$250,000
Strong Wind1910$98,000
Flood600$2,000
Heavy Rain600$2,000
Hail500
Cold/Wind Chill400$4,000
Thunderstorm Wind300
Dense Smoke300
Lightning200$5,000
Tornado200
Heat200
Dust Storm100

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 San Miguel CountyEvery warning in San Miguel 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.