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Flood in Utah County, Utah
36 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 36 flood events in Utah County, Utah, between 1950 and 2026, spread over 18 years.
July is the busiest month, with 13 of the recorded events. The last 20 years account for 26 events against 10 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 2.6% of the 1,399 flood events recorded in Utah; its 1.8 per 100 square miles compares with 1.7 statewide.
Compared with Utah
| Measure | Utah County | Utah | US |
|---|---|---|---|
| Flood events since 1950 | 36 | 1,399 | 183,559 |
| Per 100 square miles | 1.8 | 1.7 | 5.2 |
| Per 10,000 residents | 0.5 | 4.2 | 5.5 |
| Deaths recorded | 0 | 49 | 2,961 |
| Busiest month | July | August | June |
By year
Seasonality
0Feb
0Mar
1Apr
1May
2Jun
2Jul
13Aug
9Sep
6Oct
2Nov
0Dec
0
Recorded events
All 36 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 |
|---|---|---|---|---|---|---|---|
| 27 Aug 2025 | Flash Flood | — | $500K | — | — | — | County |
| 12 Aug 2024 | Flash Flood | — | $5K | — | — | — | County |
| 21 Jun 2024 | Flash Flood | — | $1K | — | — | — | County |
| 3 Aug 2023 | Flash Flood | — | $1K | — | — | — | County |
| 22 May 2023 | Flood | — | $50K | — | — | — | County |
| 30 Apr 2023 | Flood | — | $50K | — | — | — | County |
| 15 Mar 2023 | Flood | — | $40K | — | — | — | County |
| 1 Aug 2021 | Flood | — | $100K | — | — | — | County |
| 31 Jul 2021 | Flash Flood | — | — | — | — | — | County |
| 22 Jul 2021 | Flash Flood | — | — | — | — | — | County |
| 22 Jul 2021 | Flash Flood | — | — | — | — | — | County |
| 10 Aug 2019 | Flash Flood | — | — | — | — | — | County |
| 8 Aug 2019 | Flash Flood | — | — | — | — | — | County |
| 31 Jul 2019 | Flash Flood | — | $60K | — | — | — | County |
| 26 Jul 2019 | Flash Flood | — | $79K | — | — | — | County |
| 4 Oct 2018 | Flash Flood | — | $20K | — | — | — | County |
| 19 Jul 2017 | Flash Flood | — | $125K | — | — | 2 | County |
| 13 May 2017 | Flood | — | $5K | — | — | — | County |
| 2 Oct 2015 | Flash Flood | — | $50K | — | — | — | County |
| 13 Aug 2015 | Flash Flood | — | $20K | — | — | — | County |
| 29 Jul 2014 | Flash Flood | — | $30K | — | — | — | County |
| 7 Sep 2013 | Flash Flood | — | $900K | — | — | — | County |
| 2 Sep 2013 | Flash Flood | — | $30K | — | — | — | County |
| 1 Sep 2012 | Flash Flood | — | $1.0M | — | — | — | County |
| 26 Jul 2011 | Flash Flood | — | $50K | — | — | — | County |
| 1 Aug 2010 | Flash Flood | — | $10K | — | — | — | County |
| 7 Sep 2006 | Flash Flood | — | — | — | — | — | County |
| 30 Jun 2006 | Flash Flood | — | — | — | — | — | County |
| 22 Jul 2005 | Flash Flood | — | — | — | — | — | County |
| 22 Jul 2005 | Flash Flood | — | — | — | — | — | County |
| 26 Jul 2004 | Flash Flood | — | — | — | — | — | County |
| 17 Jul 2004 | Flash Flood | — | $350K | — | — | — | County |
| 16 Jul 2004 | Flash Flood | — | $400K | — | — | — | County |
| 12 Sep 2002 | Flash Flood | — | $3.0M | $100K | — | — | County |
| 6 Sep 2002 | Flash Flood | — | $200K | — | — | — | County |
| 26 Aug 2000 | Flash Flood | — | $10K | — | — | — | County |
Questions and answers
How many flood events has Utah County had?
36 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 Utah County?
27 Aug 2025 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Utah County?
The flash flood of 12 Sep 2002, with property damage estimated by NCEI at $3.0M and crop damage at $100K.
How does Utah County compare with Utah for flood?
1.8 events per 100 square miles against 1.7 statewide; the county holds 36 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 1 Oct 2026. See the methodology, the Flood hub and the county page.