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Flood in Logan County, Colorado

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

22 events · 0 deaths recorded · peak month May · county share of state 1.1%

2024-06-01: Flood2023-06-21: Flood2021-04-27: Flood2019-05-27: Flood2017-07-27: Flood2015-05-24: Flood2015-05-23: Flood2015-05-09: Flood2015-05-09: Flood2014-08-07: Flood2013-09-16: Flood2009-08-06: Flood2008-07-16: Flood
Flood event locations in and around Logan 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 22 flood events in Logan County, Colorado, between 1950 and 2026, spread over 16 years.

May is the busiest month, with 5 of the recorded events. The last 20 years account for 13 events against 9 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 1.1% of the 1,956 flood events recorded in Colorado; its 1.2 per 100 square miles compares with 1.9 statewide.

Compared with Colorado

MeasureLogan CountyColoradoUS
Flood events since 1950221,956183,559
Per 100 square miles1.21.95.2
Per 10,000 residents10.23.45.5
Deaths recorded0472,961
Busiest monthMayJulyJune

By year

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

Seasonality

Jan
0
Feb
0
Mar
0
Apr
1
May
5
Jun
5
Jul
5
Aug
4
Sep
2
Oct
0
Nov
0
Dec
0
Flood events in Logan County by month of occurrence, all years.

Recorded events

All 22 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
1 Jun 2024Flash Flood—$10K———County
21 Jun 2023Flash Flood—$100K$25K——County
27 Apr 2021Flood——$5K——County
27 May 2019Flash Flood—————County
27 Jul 2017Flash Flood—$20K$10K——County
24 May 2015Flood—$100K$50K——County
23 May 2015Flash Flood—$25K$10K——County
9 May 2015Flash Flood—$25K$10K——County
9 May 2015Flood—$200K$50K——County
7 Aug 2014Flash Flood—$10K$25K——County
16 Sep 2013Flood—$5.0M$750K——County
6 Aug 2009Flash Flood—$10K$10K——County
16 Jul 2008Flash Flood—$5K$10K——County
9 Jun 2004Flash Flood—————County
4 Aug 2002Flash Flood—————County
14 Jul 2001Flash Flood—————County
25 Jul 1998Flash Flood—————County
30 Jul 1997Flash Flood—$13M———County
25 Jun 1997Flash Flood—————County
14 Jun 1997Flash Flood—————County
17 Sep 1996Flash Flood—————County
29 Aug 1996Flood—————County

Questions and answers

How many flood events has Logan County had?

22 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 Logan County?

1 Jun 2024 (Flash Flood). Records reach NCEI about 120 days after the month ends.

What was the most damaging flood event recorded in Logan County?

The flash flood of 30 Jul 1997, with property damage estimated by NCEI at $13M.

How does Logan County compare with Colorado for flood?

1.2 events per 100 square miles against 1.9 statewide; the county holds 22 of the state's 1,956 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.