County Hazards

Storm events on record through

Rio Grande County, Colorado Storm events, disaster declarations and flood insurance claims on record

This page is a county record of past events and claims. It does not show the flood zone or the risk of an address. For the flood map of an address, use FEMA's address search (opens in a new tab).

NCEI has 35 storm events on record for Rio Grande County, Colorado, from 1950 through 30 Jun 2026.

The newest event on record is a heavy rain event on 21 Aug 2024.

FEMA has 9 disaster declarations on record for the county from 1964 through 1 Oct 2026. The newest is DR-4498 of 28 Mar 2020.

OpenFEMA has 11 NFIP claims on record for the county from 1978 through 8 Sep 2026. The site shows no amount for a year with fewer than 5 claims with a payment.

The NWS collects event reports from a variety of sources, which include (but are not limited to): county, state, and federal emergency management officials, local law enforcement officials, SKYWARN spotters, NWS damage surveys, newspaper clipping services, the insurance industry, and the general public, among others.

The National Weather Service reports property and crop damage estimates using available data at the time of event reporting. These values should therefore be considered broad estimates. Damage amounts are not adjusted for inflation.

Zone (NWS Forecast Zone): A zone is a geographic area defined by the NWS for issuing forecasts, watches, and warnings. While zones often align with counties, they can also represent smaller or subdivided areas within a county to account for differences in weather conditions, such as elevation or proximity to water. Larger-scale events—such as heat, cold, drought, and winter storms—are typically recorded by zone.

The words of the agency. Source: NOAA NCEI, Storm Events Database, page "Frequently Asked Questions", copied on .

This is raw, unedited data from FEMA's National Emergency Management Information System (NEMIS) and as such is subject to a small percentage of human error.

The words of the agency. Source: FEMA, OpenFEMA Dataset "Disaster Declarations Summaries - v2", copied on . The page gives: last data refresh 2026-10-01.

It is derived from the National Flood Insurance Program system of record, staged in the program's reporting platform and redacted to protect policy holder personally identifiable information.

The words of the agency. Source: FEMA, OpenFEMA Dataset "NFIP Redacted Claims - v3", copied on . The page gives: last data refresh 2026-09-09.

Dates of the data: NCEI storm events through . OpenFEMA disaster declarations through . NFIP claims through .

Since the last update: no change is on record for Rio Grande County. The site compares the agency data at each update. Updates of the data

The five hazards

Storm events on record for Rio Grande County by hazard and period (NCEI, through 30 Jun 2026)
Hazard1950 to 20262000 to 20092010 to 20192020 to 2026Newest event
Hail21512
Tornado2010
Flood2200
Wind3000
Winter0000None on record
Other event types7Heat, cold, drought, wildfire, lightning, fog, tropical and other types
All storm events351026

A hazard name opens the page of that hazard for the county. A hazard has a page from 10 events. The year 2026 has the events through 30 Jun 2026 only.

A county count has the events that NCEI gives to the county. It also has the events of a forecast zone that has the name of the county. A zone with another name counts for the state only.

Rates of Rio Grande County beside the total of the counties of Colorado and of the United States
MeasureRio GrandeAll counties of ColoradoAll counties of the United States
Storm events for each 100 square miles, 1950 to 20263.827.049.3
Storm events for each 10,000 residents, 1950 to 202630.748.252.5
NFIP claims for each 1,000 policies in force, 2016 to 2025no figure46.9185.3

The columns for the state and the United States total the counties. They count the events of each county in the same way as the county column. The site gives a rate for each 10,000 residents only from 10,000 residents. Residents and area: Census Bureau, 2021.

Newest storm events on record

Heavy Rain

2 miles W of MONTE VISTA

Hail0.75 in, penny size

3 miles E of MONTE VISTA

Hail0.88 in, nickel size

At MONTE VISTA

Heavy Rain

2 miles ENE of DEL NORTE

Heavy Rain

2 miles ESE of SOUTH FORK

Heavy Rain

9 miles SSW of DEL NORTE

TornadoEF0

1 mile S of DEL NORTE. Damage estimate: $5 thousand

Hail1.00 in, quarter size

3 miles SSW of SOUTH FORK

Hail0.88 in, nickel size

4 miles S of MONTE VISTA

Hail0.88 in, nickel size

4 miles E of SOUTH FORK

Hail1.00 in, quarter size

2 miles W of DEL NORTE

Flash Flood

3 miles SW of SOUTH FORK

Flash Flood

3 miles SW of SOUTH FORK

Wildfire

2 miles SSW of SOUTH FORK. Damage estimate: $11 million

Wildfire

2 miles SSW of SOUTH FORK. Damage estimate: $11 million

Funnel Cloud

3 miles W of DEL NORTE

Hail1.75 in, golf ball size

At SOUTH FORK

Hail0.75 in, penny size

5 miles NE of DEL NORTE

Hail1.25 in, half dollar size

At MONTE VISTA

Hail1.00 in, quarter size

8 miles W of DEL NORTE

Hail1.50 in, ping-pong ball size

6 miles NE of DEL NORTE

Hail1.00 in, quarter size

At DEL NORTE

Hail1.75 in, golf ball size

At Center

TornadoF0

At Monte Vista. Damage estimate: $3 thousand

Hail0.50 in, marble size

At South Fork. Damage estimate: $5 thousand

The 25 events above are the newest in the NCEI record. A place is the text of the NCEI record: a distance and a direction from a reference place. Wind speed is in miles per hour, with the knots that NCEI gives. The site does not show a place text that names a private property or reads as a person. Download these events (CSV)

Storm events on record for Rio Grande County by year, 1950 to 2026
DecadeYear that ends in 0Year that ends in 1Year that ends in 2Year that ends in 3Year that ends in 4Year that ends in 5Year that ends in 6Year that ends in 7Year that ends in 8Year that ends in 9All
1950s00000100001
1960s10000001002
1970s01020001004
1980s01000010002
1990s10001200228
2000s203210101010
2010s00200000002
2020s0030300 (part of the year)6

A darker cell has a larger count. The number is in each cell.

NCEI recorded tornado events from 1950, and hail and thunderstorm wind events from 1955. It recorded all event types from 1996. A count before 1996 has fewer event types.

FEMA disaster declarations

FEMA has 9 disaster declarations on record for Rio Grande County from 1964 through 1 Oct 2026. The newest is DR-4498: COVID-19 PANDEMIC.

Disaster declarations that name Rio Grande County (OpenFEMA, through 1 Oct 2026)
DeclaredNumberTypeIncident typeTitle in the FEMA recordAssistance
DR-4498Major disasterBiologicalCOVID-19 PANDEMICIndividual, Public
EM-3436EmergencyBiologicalCOVID-19Public
FM-5031Fire management assistanceFireWEST FORK FIRE COMPLEXPublic
EM-3224EmergencyCoastal StormHURRICANE KATRINA EVACUATIONPublic
FM-2428Fire management assistanceFireMILLION FIREPublic
DR-1421Major disasterFireWILDFIRESIndividual
EM-3025EmergencyDroughtDROUGHTPublic
DR-396Major disasterFloodFLOODING & LANDSLIDESPublic
DR-293Major disasterFloodHEAVY RAINS & FLOODINGIndividual, Public

DR is a major disaster declaration. EM is an emergency declaration. FM is a fire management assistance declaration. A declaration for the whole state is on the Colorado page. What a disaster declaration is

The dataset includes declared recovery programs and geographic areas (county not available before 1964; Fire Management records are considered partial due to historical nature of the dataset).

The words of the agency. Source: FEMA, OpenFEMA Dataset "Disaster Declarations Summaries - v2", copied on . The page gives: last data refresh 2026-10-01.

Flood insurance claims (NFIP)

OpenFEMA has 11 NFIP claims on record for Rio Grande County from 1978 through 8 Sep 2026.

The site shows no amount for a year with fewer than 5 claims with a payment.

FEMA counts 95 residential policies in force on 3 Aug 2026. The site gives a rate for each 1,000 policies only from 100 policies, because one claim changes a smaller rate too much.

NFIP claims in Rio Grande County by year of loss, 1978 to 2026
DecadeYear that ends in 0Year that ends in 1Year that ends in 2Year that ends in 3Year that ends in 4Year that ends in 5Year that ends in 6Year that ends in 7Year that ends in 8Year that ends in 9All
1970s000
1980s31100100006
1990s00000000000
2000s00100001002
2010s00000000033
2020s0000000 (part of the year)0

A darker cell has a larger count. The number is in each cell.

NFIP claims by year of loss with the amount paid: 7 years
NFIP claims in Rio Grande County by year of loss, with the amount paid (OpenFEMA, through 8 Sep 2026)
Year of lossClaimsClaims with a paymentAmount paid
20193not shownnot shown
20071not shownnot shown
20021not shownnot shown
19851not shownnot shown
19821not shownnot shown
19811not shownnot shown
19803not shownnot shown

A year with fewer than 5 claims shows the count of claims and no amount. A year with 1 to 4 claims with a payment shows no amount either. Such an amount could point to one property. The amount is the sum of the building, contents and increased cost of compliance payments. How FEMA redacts NFIP claims

This dataset is not intended to be an official federal report, and should not be considered an official federal report.

Note, the County Code field may not reflect the individual county the property is located as projects can be associated with more than one county

The words of the agency. Source: FEMA, OpenFEMA Dataset "NFIP Redacted Claims - v3", copied on . The page gives: last data refresh 2026-09-09.

FEMA cannot verify the quality and/or timeliness of any data or any analysis derived therefrom after the data has been retrieved from FEMA.gov.

The words of the agency. Source: FEMA, OpenFEMA Terms and Conditions, copied on . The page gives: last updated 2025-01-22.

National Risk Index

Risk Index rating
Relatively Low
Risk Index score
45.8 of 100
Expected Annual Loss rating
Very Low
Expected Annual Loss
$8.9 million
Social Vulnerability rating
Very High
Community Resilience rating
Very Low
National Risk Index of Rio Grande County by hazard type (FEMA, December 2025 release)
Hazard typeRisk Index ratingExpected Annual Loss
AvalancheRelatively High$959,000
Cold waveRelatively Low$704,502
DroughtRelatively High$1,210,421
EarthquakeRelatively Low$448,231
HailVery Low$40,053
Heat waveVery Low$22,167
Ice stormVery Low$4,914
Inland floodingRelatively Low$4,692,989
LandslideRelatively Moderate$54,639
LightningRelatively High$532,230
Strong windVery Low$9,107
TornadoVery Low$73,462
WildfireRelatively Low$67,086
Winter weatherRelatively Low$31,428

The National Risk Index dataset leverages available source data for natural hazard and community risk factors to develop a baseline relative risk measurement for each United States county and Census tract.

The rating is a qualitative categorization that describes the community in comparison to all other communities at the same level, ranging from “Very Low” to “Very High.”

The National Risk Index data are meant for planning purposes only.

The words of the agency. Source: FEMA, National Risk Index Data: Frequently Asked Questions (December 2025, v1.20), copied on .

The labels and the ratings are those of FEMA. Expected Annual Loss is a figure for a whole county. It is not a figure for a property. How to read the National Risk Index

Tropical storm and hurricane tracks

The HURDAT2 record of the National Hurricane Center goes through the 2025 season. It has no track at tropical storm strength within 100 miles of the centre point of Rio Grande County.

ZIP Codes, cities and towns of Rio Grande County

Each ZIP Code below has a page with its NFIP claims by year. 2 more ZIP Codes have fewer than 5 claims and no page.

A city or town has no page of its own. This page is the record for the whole county, which has these places:

  • Alpine
  • Center
  • Del Norte
  • Gerrard
  • Monte Vista
  • South Fork

Official channels

These links open the pages of the agencies. The site checked the links on .

Cite this page

County Hazards. "Rio Grande County, Colorado: storm events, disaster declarations and flood insurance claims on record". https://countyhazards.com/county/co/rio-grande/. Data: NOAA NCEI Storm Events Database through 30 Jun 2026; FEMA OpenFEMA disaster declarations through 1 Oct 2026; FEMA OpenFEMA NFIP claims through 8 Sep 2026. Page made on .

Where the data comes from

  • Storm events: NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026.
  • Disaster declarations: OpenFEMA Disaster Declarations Summaries, read on 1 Oct 2026.
  • NFIP claims: OpenFEMA NFIP Claims, as of 8 Sep 2026. Multiple-loss properties: 2 Aug 2026. Policies in force: 3 Aug 2026.
  • National Risk Index: FEMA, December 2025 release. Storm tracks: NHC HURDAT2 through the 2025 season.
  • Residents, area, places and adjacent counties: US Census Bureau, 2021 vintage.

How the counts are made · Corrections · Hazards in all states: hail, tornado, flood, wind, winter

Questions

How many tornado events are on record for Rio Grande County?
NCEI has 2 tornado events on record for Rio Grande County from 1950 through 30 Jun 2026. No event has a rating of EF2 or F2, or a higher rating.
How large is the hail on record for Rio Grande County?
NCEI has 21 hail events on record from 1955 through 30 Jun 2026. 5 events have a hail size of 1.75 inches or more. NCEI names 1.75 inches a golf ball.
Which month has the most storm events on record for Rio Grande County?
July has 8 of the 35 storm events on record from 1950 through 30 Jun 2026.
How many NFIP claims are there for each 1,000 policies in force in Rio Grande County?
FEMA counts 95 residential policies in force on 3 Aug 2026. The site gives a rate for each 1,000 policies only from 100 policies, because one claim changes a smaller rate too much.