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Flood in San Miguel County, New Mexico

70 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.

70 events · 3 deaths recorded · peak month July · county share of state 3.7%

2025-07-17: Flood2025-05-31: Flood2025-05-08: Flood2025-05-05: Flood2024-10-20: Flood2024-09-05: Flood2024-09-05: Flood2024-08-08: Flood2024-07-18: Flood2024-07-08: Flood2024-06-30: Flood2024-06-30: Flood2024-06-21: Flood2024-06-21: Flood2024-06-20: Flood2024-06-19: Flood2023-08-21: Flood2023-08-16: Flood2023-08-13: Flood2023-08-13: Flood2023-07-21: Flood2023-07-21: Flood2023-06-06: Flood2023-06-05: Flood2022-09-10: Flood2022-08-16: Flood2022-08-16: Flood2022-08-08: Flood2022-08-06: Flood2022-08-04: Flood2022-08-03: Flood2022-08-01: Flood2022-08-01: Flood2022-07-29: Flood2022-07-29: Flood2022-07-29: Flood2022-07-26: Flood2022-07-21: Flood2022-07-12: Flood2022-07-12: Flood2022-07-08: Flood2022-07-01: Flood2021-07-06: Flood2018-08-02: Flood2018-05-23: Flood2017-08-12: Flood2017-07-27: Flood2016-09-15: Flood2015-06-09: Flood2014-07-31: Flood2013-09-13: Flood2013-09-13: Flood2013-09-11: Flood2013-08-09: Flood2013-08-08: Flood2013-08-04: Flood2013-07-10: Flood2013-07-06: Flood2010-07-01: Flood2010-06-24: Flood2005-09-01: Flood
Flood event locations in and around San Miguel County. Dots: Flood event locations in the kept record. Boundaries: US Census Bureau.

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. Storm records through 30 Jun 2026.

NCEI records 70 flood events in San Miguel County, New Mexico, between 1950 and 2026, spread over 17 years.

July is the busiest month, with 22 of the recorded events. The last 20 years account for 60 events against 10 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 3.7% of the 1,880 flood events recorded in New Mexico; its 1.5 per 100 square miles compares with 1.5 statewide.

NCEI attributes 3 deaths in the county to floods and flash floods.

Compared with New Mexico

MeasureSan Miguel CountyNew MexicoUS
Flood events since 1950701,880183,559
Per 100 square miles1.51.55.2
Per 10,000 residents25.88.95.5
Deaths recorded3512,961
Busiest monthJulyJulyJune

By year

195019882026
Flood events recorded in San Miguel County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
0
Feb
0
Mar
0
Apr
0
May
4
Jun
14
Jul
22
Aug
20
Sep
8
Oct
2
Nov
0
Dec
0
Flood events in San Miguel County by month of occurrence, all years.

Recorded events

All 70 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
17 Jul 2025Flash Flood—————County
31 May 2025Flash Flood—————County
8 May 2025Flood—————County
5 May 2025Flood—————County
20 Oct 2024Flash Flood—————County
5 Sep 2024Flash Flood—————County
5 Sep 2024Flash Flood—————County
8 Aug 2024Flash Flood—$100K———County
18 Jul 2024Flash Flood—————County
8 Jul 2024Flash Flood—————County
30 Jun 2024Flash Flood—————County
30 Jun 2024Flash Flood—————County
21 Jun 2024Flash Flood—$1.0M———County
21 Jun 2024Flash Flood—————County
20 Jun 2024Flash Flood—$50K———County
19 Jun 2024Flash Flood—————County
21 Aug 2023Flash Flood—————County
16 Aug 2023Flash Flood—————County
13 Aug 2023Flash Flood—————County
13 Aug 2023Flash Flood—————County
21 Jul 2023Flash Flood—$30K———County
21 Jul 2023Flash Flood—————County
6 Jun 2023Flash Flood—————County
5 Jun 2023Flash Flood—————County
10 Sep 2022Flash Flood—$200K———County
16 Aug 2022Flash Flood—————County
16 Aug 2022Flash Flood—$100K———County
8 Aug 2022Flash Flood—$20K———County
6 Aug 2022Flash Flood—————County
4 Aug 2022Flash Flood—$35K———County
3 Aug 2022Flash Flood—$30K———County
1 Aug 2022Flash Flood—————County
1 Aug 2022Flash Flood—$20K———County
29 Jul 2022Flash Flood—————County
29 Jul 2022Flash Flood—————County
29 Jul 2022Flash Flood—$15K———County
26 Jul 2022Flash Flood—————County
21 Jul 2022Flash Flood—$2.0M—3—County
12 Jul 2022Flash Flood—$25K———County
12 Jul 2022Flash Flood—$25K———County
8 Jul 2022Flash Flood—$25K———County
1 Jul 2022Flash Flood—$150K———County
6 Jul 2021Flash Flood—————County
2 Aug 2018Flash Flood—————County
23 May 2018Flash Flood—————County
12 Aug 2017Flash Flood—————County
27 Jul 2017Flash Flood—————County
15 Sep 2016Flash Flood—————County
9 Jun 2015Flash Flood—$10K———County
31 Jul 2014Flash Flood—————County
13 Sep 2013Flood—————County
13 Sep 2013Flood—$1.0M———County
11 Sep 2013Flood—————County
9 Aug 2013Flash Flood—$25K———County
8 Aug 2013Flash Flood—$10K———County
4 Aug 2013Flash Flood—$95K———County
10 Jul 2013Flash Flood—————County
6 Jul 2013Flash Flood—————County
1 Jul 2010Flash Flood—$1K———County
24 Jun 2010Flash Flood—$750K———County
27 Jul 2006Flash Flood—————County
1 Sep 2005Flash Flood—————County
23 Oct 2000Flash Flood—————County
28 Jun 2000Flash Flood—————County
5 Jun 2000Flash Flood—$10K———County
2 Jun 2000Flash Flood—————County
19 Aug 1998Flash Flood—————County
30 Jul 1998Flash Flood—$2K———County
1 Aug 1997Flash Flood—$150K———County
7 Jun 1997Flash Flood—$80K———County

Questions and answers

How many flood events has San Miguel County had?

70 events in the NCEI Storm Events record between 1950 and 2026. Reporting of floods and flash floods became far more complete after 1996, so early decades undercount.

When was the last recorded flood event in San Miguel County?

17 Jul 2025 (Flash Flood). Records reach NCEI about 120 days after the month ends.

What was the most damaging flood event recorded in San Miguel County?

The flash flood of 21 Jul 2022, with property damage estimated by NCEI at $2.0M; 3 deaths recorded.

How does San Miguel County compare with New Mexico for flood?

1.5 events per 100 square miles against 1.5 statewide; the county holds 70 of the state's 1,880 recorded events.

Provenance

NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Flood hub and the county page.