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Flood in Cache County, Utah
16 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.
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 16 flood events in Cache County, Utah, between 1950 and 2026, spread over 7 years.
June is the busiest month, with 4 of the recorded events. The last 20 years account for 13 events against 3 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.1% of the 1,399 flood events recorded in Utah; its 1.4 per 100 square miles compares with 1.7 statewide.
Compared with Utah
| Measure | Cache County | Utah | US |
|---|---|---|---|
| Flood events since 1950 | 16 | 1,399 | 183,559 |
| Per 100 square miles | 1.4 | 1.7 | 5.2 |
| Per 10,000 residents | 1.2 | 4.2 | 5.5 |
| Deaths recorded | 0 | 49 | 2,961 |
| Busiest month | June | August | June |
By year
Seasonality
3Feb
1Mar
1Apr
2May
2Jun
4Jul
2Aug
0Sep
1Oct
0Nov
0Dec
0
Recorded events
All 16 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 2 Jun 2017 | Flood | — | $10K | — | — | — | County |
| 23 Mar 2017 | Flood | — | — | — | — | — | County |
| 7 Feb 2017 | Flood | — | $4.0M | — | — | — | County |
| 19 Jan 2012 | Flood | — | $100K | — | — | — | County |
| 1 Jul 2011 | Flood | — | $30K | — | — | — | County |
| 1 Jul 2011 | Flood | — | $10K | — | — | — | County |
| 25 Jun 2011 | Flood | — | $100K | — | — | — | County |
| 23 Jun 2011 | Flood | — | $100K | — | — | — | County |
| 15 Jun 2011 | Flood | — | $200K | — | — | — | County |
| 13 May 2011 | Flood | — | $500K | — | — | — | County |
| 8 May 2011 | Flood | — | $50K | — | — | — | County |
| 18 Apr 2011 | Flood | — | $50K | — | — | — | County |
| 4 Sep 2007 | Flash Flood | — | — | — | — | — | County |
| 1 Jan 2006 | Flash Flood | — | — | — | — | — | County |
| 28 Apr 2005 | Flash Flood | — | — | — | — | — | County |
| 11 Jan 1998 | Flood | — | $30K | — | — | — | County |
Questions and answers
How many flood events has Cache County had?
16 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 Cache County?
2 Jun 2017 (Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Cache County?
The flood of 7 Feb 2017, with property damage estimated by NCEI at $4.0M.
How does Cache County compare with Utah for flood?
1.4 events per 100 square miles against 1.7 statewide; the county holds 16 of the state's 1,399 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 30 Sep 2026. See the methodology, the Flood hub and the county page.