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National Weather ServiceWashingtonFlood WatchArchive to October 1, 2026

Flood Watches in Washington

The National Weather Service issued 38 flood watches for Washington in 2025 and 29 a year on average in 2008-2025; in 2021-2025 it had the 14th most of any state. 2026 through September: 23, 19% above the average of 19 for those months in 2008-2025. Mason was covered most often (184 times since 2008).

How many flood watches does Washington get?

38 flood watches for Washington in 2025
204060802008: 1920082009: 1920092010: 1820102011: 4320112012: 3420122013: 1620132014: 2920142015: 2220152016: 3220162017: 6220172018: 2520182019: 1620192020: 2920202021: 2820212022: 4320222023: 3420232024: 2120242025: 3820252026: 2320262008-2025 average 292026 through September: 23204060802008: 1920082009: 192010: 1820102011: 432012: 3420122013: 162014: 2920142015: 222016: 3220162017: 622018: 2520182019: 162020: 2920202021: 282022: 4320222023: 342024: 2120242025: 382026: 2320262008-2025 average 292026 through September: 23204060802008: 1920082009: 192010: 1820102011: 432012: 3420122013: 162014: 2920142015: 222016: 3220162017: 622018: 2520182019: 162020: 2920202021: 282022: 4320222023: 342024: 2120242025: 382026: 2320262008-2025 average 292026 through September: 23204060802008: 1920082009: 192010: 182011: 432012: 342013: 162014: 292015: 2220152016: 322017: 622018: 252019: 162020: 2920202021: 282022: 432023: 342024: 212025: 382026: 2320262008-2025 average 292026 through September: 23

Every flood watch that covered part of Washington. 2026 is an outline: the year is not over.

The numbers
YearCount
2026 (through September)23
202538
202421
202334
202243
202128
202029
201916
201825
201762
201632
201522
201429
201316
201234
201143
201018
200919
200819

Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.

When in the year does Washington get them?

Washington's flood watches by month, 2008-2025
50100Jan: 72JanFeb: 55FebMar: 57MarApr: 26AprMay: 81MayJun: 38JunJul: 4JulAug: 10AugSep: 6SepOct: 28OctNov: 67NovDec: 84Dec8450100Jan: 72JanFeb: 55FebMar: 57MarApr: 26AprMay: 81MayJun: 38JunJul: 4JulAug: 10AugSep: 6SepOct: 28OctNov: 67NovDec: 84Dec8450100Jan: 72JanFeb: 55FebMar: 57MarApr: 26AprMay: 81MayJun: 38JunJul: 4JulAug: 10AugSep: 6SepOct: 28OctNov: 67NovDec: 84Dec8450100Jan: 72JFeb: 55FMar: 57MApr: 26AMay: 81MJun: 38JJul: 4JAug: 10ASep: 6SOct: 28ONov: 67NDec: 84D84

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 1, 2026.

Where in Washington?

County or forecast zoneSince 2008Since 2023Last issued
Mason18437March 18, 2026
Snohomish858March 18, 2026
Grays Harbor858March 13, 2026
King828March 18, 2026
Whatcom796March 18, 2026
Lewis7810March 13, 2026
Clallam768January 12, 2026
Skagit728March 18, 2026
Thurston718March 13, 2026
Pierce686December 15, 2025
Jefferson663December 15, 2025
Okanogan6219September 13, 2026

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 1, 2026.

What is a flood watch?

A flood watch means conditions may lead to flooding in the coming day or days; it is not yet happening. A watch means the conditions for the hazard are possible or favourable, but it is not yet happening: be ready to act if a warning follows. The national record · Every warning type in Washington.