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National Weather ServiceUtahFlash Flood WarningArchive to October 16, 2026

Flash Flood Warnings in Utah

The National Weather Service issued 58 flash flood warnings for Utah in 2025 and 73 a year on average in 2008-2025; in 2021-2025 it had the 20th most of any state. 2026 through September: 182, 160% above the average of 70 for those months in 2008-2025. Kane was covered most often (486 times since 2008).

How many flash flood warnings does Utah get?

58 flash flood warnings for Utah in 2025
501001502002008: 4220082009: 1220092010: 8220102011: 7520112012: 7320122013: 14620132014: 6020142015: 8120152016: 3420162017: 5520172018: 7420182019: 1820192020: 2320202021: 15720212022: 14020222023: 8020232024: 9620242025: 5820252026: 18720262008-2025 average 732026 through September: 187501001502002008: 4220082009: 122010: 8220102011: 752012: 7320122013: 1462014: 6020142015: 812016: 3420162017: 552018: 7420182019: 182020: 2320202021: 1572022: 14020222023: 802024: 9620242025: 582026: 18720262008-2025 average 732026 through September: 187501001502002008: 4220082009: 122010: 8220102011: 752012: 7320122013: 1462014: 6020142015: 812016: 3420162017: 552018: 7420182019: 182020: 2320202021: 1572022: 14020222023: 802024: 9620242025: 582026: 18720262008-2025 average 732026 through September: 187501001502002008: 4220082009: 122010: 822011: 752012: 732013: 1462014: 602015: 8120152016: 342017: 552018: 742019: 182020: 2320202021: 1572022: 1402023: 802024: 962025: 582026: 18720262008-2025 average 732026 through September: 187

Every flash flood warning that covered part of Utah. 2026 is an outline: the year is not over.

The numbers
YearCount
2026 (through September)187
202558
202496
202380
2022140
2021157
202023
201918
201874
201755
201634
201581
201460
2013146
201273
201175
201082
200912
200842

Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 16, 2026.

When in the year does Utah get them?

Utah's flash flood warnings by month, 2008-2025
200400600Jan: 8JanFeb: 0FebMar: 5MarApr: 2AprMay: 20MayJun: 97JunJul: 429JulAug: 517AugSep: 182SepOct: 41OctNov: 3NovDec: 2Dec517200400600Jan: 8JanFeb: 0FebMar: 5MarApr: 2AprMay: 20MayJun: 97JunJul: 429JulAug: 517AugSep: 182SepOct: 41OctNov: 3NovDec: 2Dec517200400600Jan: 8JanFeb: 0FebMar: 5MarApr: 2AprMay: 20MayJun: 97JunJul: 429JulAug: 517AugSep: 182SepOct: 41OctNov: 3NovDec: 2Dec517200400600Jan: 8JFeb: 0FMar: 5MApr: 2AMay: 20MJun: 97JJul: 429JAug: 517ASep: 182SOct: 41ONov: 3NDec: 2D517

Sum of 2008-2025; the busiest month is labelled.

Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 16, 2026.

Where in Utah?

County or forecast zoneSince 2008Since 2023Last issued
Kane486125October 12, 2026
Washington34785October 11, 2026
Garfield30975October 11, 2026
Wayne22455September 16, 2026
San Juan18874September 16, 2026
Emery11834October 11, 2026
Grand9539September 16, 2026
Iron7421August 28, 2026
Carbon465September 30, 2025
Utah251August 12, 2024
Piute2419September 29, 2026
Duchesne226September 18, 2023

The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.

Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 16, 2026.

The latest flash flood warnings for Utah in AreaZine's record

This list is AreaZine's record of the NWS alert feed, kept since April 6, 2026; the counts above come from the complete IEM archive.

Source: National Weather Service alerts (api.weather.gov).

Every flash flood warning for Utah in AreaZine's record

195 notices in AreaZine's record; the latest first below. Every one, oldest first: April 11, 2026 to October 12, 2026.

  1. Flash Flood Warning: Kane, UT Kane expired
  2. Flash Flood Warning: Kane, UT Kane expired
  3. Flash Flood Warning: Kane, UT Kane expired
  4. Flash Flood Warning: Washington County, UT Washington County expired
  5. Flash Flood Warning: Kane and Washington County, UT Kane and Washington County expired
  6. Flash Flood Warning: Washington County, UT Washington County expired
  7. Flash Flood Warning: Kane and Washington County, UT Kane and Washington County expired
  8. Flash Flood Warning: Garfield and Kane, UT Garfield and Kane expired
  9. Flash Flood Warning: Washington County, UT Washington County expired
  10. Flash Flood Warning: Kane and Washington County, UT Kane and Washington County expired
  11. Flash Flood Warning: Emery, UT Emery expired
  12. Flash Flood Warning: Emery, UT Emery expired
  13. Flash Flood Warning: Garfield and Kane, UT Garfield and Kane expired
  14. Flash Flood Warning: Washington County, UT Washington County expired
  15. Flash Flood Warning: Kane and Washington County, UT Kane and Washington County expired
  16. Flash Flood Warning: Emery, UT Emery expired
  17. Flash Flood Warning: Washington County, UT Washington County expired
  18. Flash Flood Warning: Washington County, UT Washington County expired
  19. Flash Flood Warning: Emery, UT Emery expired
  20. Flash Flood Warning: Washington County, UT Washington County expired

Source: National Weather Service alerts (api.weather.gov). A U.S. Government work, in the public domain.

What is a flash flood warning?

A flash flood warning means flash flooding is happening or about to happen: water rising fast in streams, streets or dry washes, usually within six hours of heavy rain or a dam or levee failure. A warning means the hazard is happening, about to happen, or very likely: act now to protect people and property. The national record · Every warning type in Utah.

How does Utah compare with its neighbours?

Arizona gets the most on Utah's border: 468 a year in 2021-2025.

StateA year, 2021-2025A year, 2008-2025Rank of all states
Arizona4682752nd
New Mexico2951653rd
Colorado1751166th
Utah1067320th
Nevada676826th
Idaho232138th
Wyoming162144th

Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 16, 2026.

More records for Utah