Colorado, 2021
The year's recorded storm events, federal disaster declarations and flood insurance claims.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders.
Events by hazard
Includes events recorded by forecast zone. The state's yearly total for 2021 was 1,844 against 1,828 in 2020.
Counties with the most recorded events
Notable events
| Date | County | Event type | Magnitude | Property damage | Deaths | Injuries |
|---|---|---|---|---|---|---|
| 30 Dec 2021 | Forecast zone | Wildfire | — | $2,000,000,000 | 2 | 6 |
| 20 Jul 2021 | Larimer | Flash Flood | — | $500,000 | 4 | — |
| 1 Feb 2021 | Forecast zone | Avalanche | — | — | 3 | 4 |
| 22 Mar 2021 | Forecast zone | Avalanche | — | — | 1 | 2 |
| 4 Feb 2021 | Forecast zone | Avalanche | — | — | 1 | 2 |
| 26 Oct 2021 | Yuma | Wildfire | — | — | 1 | 1 |
| 15 Jan 2021 | Forecast zone | Dust Storm | — | — | 1 | — |
| 16 Feb 2021 | Forecast zone | Avalanche | — | — | 1 | — |
| 14 Feb 2021 | Forecast zone | Avalanche | — | — | 1 | — |
| 14 Feb 2021 | Forecast zone | Avalanche | — | — | 1 | — |
| 15 Dec 2021 | Forecast zone | High Wind | 81 mph | — | 1 | — |
| 24 Dec 2021 | Forecast zone | Avalanche | — | — | 1 | — |
| 29 Jul 2021 | Garfield | Debris Flow | — | $125,000,000 | — | — |
| 23 Jul 2021 | Grand | Flash Flood | — | — | — | 10 |
| 30 Dec 2021 | Forecast zone | High Wind | 108 mph | — | — | 6 |
| 31 Jul 2021 | Garfield | Debris Flow | — | $25,000,000 | — | — |
| 31 Jul 2021 | Archuleta | Lightning | — | — | — | 2 |
| 22 Jul 2021 | Garfield | Debris Flow | — | $2,500,000 | — | — |
| 19 Jun 2021 | Yuma | Thunderstorm Wind | 100 mph | $1,000,000 | — | — |
| 24 Jun 2021 | Montrose | Flash Flood | — | $300,000 | — | — |
| 7 Jun 2021 | Weld | Tornado | EF2 | $530,500 | — | — |
| 1 Jul 2021 | Forecast zone | Wildfire | — | $500,000 | — | — |
| 20 Jul 2021 | San Miguel | Debris Flow | — | $500,000 | — | — |
| 22 Jul 2021 | Eagle | Debris Flow | — | $500,000 | — | — |
| 29 Jul 2021 | Pitkin | Debris Flow | — | $500,000 | — | — |
| 27 Jul 2021 | La Plata | Flash Flood | — | $500,000 | — | — |
| 22 Jul 2021 | Pitkin | Debris Flow | — | $300,000 | — | — |
| 1 Aug 2021 | Forecast zone | Wildfire | — | $250,000 | — | — |
| 20 Jul 2021 | Garfield | Debris Flow | — | $250,000 | — | — |
| 27 Jul 2021 | La Plata | Flash Flood | — | $250,000 | — | — |
| 15 Dec 2021 | Cheyenne | Wildfire | — | $200,000 | — | — |
| 1 Sep 2021 | Kit Carson | Thunderstorm Wind | 115 mph | $170,000 | — | — |
| 27 Jun 2021 | Garfield | Debris Flow | — | $150,000 | — | — |
| 26 Jun 2021 | Garfield | Debris Flow | — | $100,000 | — | — |
| 22 May 2021 | Forecast zone | Strong Wind | 49 mph | $100,000 | — | — |
| 3 Jul 2021 | Garfield | Debris Flow | — | $100,000 | — | — |
| 3 Aug 2021 | Eagle | Flash Flood | — | $100,000 | — | — |
| 24 Jul 2021 | Mesa | Debris Flow | — | $100,000 | — | — |
| 14 Jul 2021 | Garfield | Debris Flow | — | $100,000 | — | — |
| 31 Jul 2021 | Garfield | Debris Flow | — | $100,000 | — | — |
Up to 40 events with deaths, injuries, damage of $50,000 or more, or a tornado rating, ranked by deaths, injuries and damage.
Federal disaster declarations in 2021
| Declared | Number | Type | Incident | Title | Counties |
|---|---|---|---|---|---|
| 31 Dec 2021 | DR-4634 | Major disaster | Fire | Wildfires And Straight-Line Winds | 1 |
| 30 Dec 2021 | FM-5423 | Fire management assistance | Fire | Marshall Fire | 1 |
| 15 Jan 2021 | DR-4581 | Major disaster | Fire | Wildfires | 2 |
Flood insurance claims with a 2021 date of loss
53 NFIP claims, 19 of them paid, for $410,811.
Sources: NOAA NCEI Storm Events through 30 Jun 2026; OpenFEMA DisasterDeclarationsSummaries v2 (1 Oct 2026); OpenFEMA NfipClaims v3 (8 Sep 2026). Built 1 Oct 2026.