National Weather ServiceAlaskaFlood WatchArchive to October 1, 2026
Flood Watches in Alaska
The National Weather Service issued 17 flood watches for Alaska in 2025 and 14 a year on average in 2008-2025; in 2021-2025 it had the 28th most of any state. 2026 through September: 15, 24% above the average of 12 for those months in 2008-2025. Upper Tanana Valley and the Fortymile Country was covered most often (26 times since 2008).
How many flood watches does Alaska get?
Every flood watch that covered part of Alaska. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 15 |
| 2025 | 17 |
| 2024 | 21 |
| 2023 | 23 |
| 2022 | 22 |
| 2021 | 11 |
| 2020 | 17 |
| 2019 | 9 |
| 2018 | 7 |
| 2017 | 4 |
| 2016 | 11 |
| 2015 | 12 |
| 2014 | 14 |
| 2013 | 19 |
| 2012 | 15 |
| 2011 | 3 |
| 2010 | 9 |
| 2009 | 14 |
| 2008 | 15 |
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 Alaska get them?
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 Alaska?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Upper Tanana Valley and the Fortymile Country | 26 | 3 | June 1, 2023 |
| Juneau Borough and Northern Admiralty Island | 26 | 0 | February 9, 2022 |
| Middle Tanana Valley | 25 | 3 | June 1, 2023 |
| Taiya Inlet and Klondike Highway | 23 | 0 | August 17, 2022 |
| Deltana and Tanana Flats | 23 | 2 | June 1, 2023 |
| Western Prince William Sound | 22 | 6 | January 24, 2025 |
| Glacier Bay | 22 | 8 | January 9, 2026 |
| Eastern Chichagof Island | 19 | 6 | January 9, 2026 |
| Yukon Flats and Surrounding Uplands | 18 | 2 | May 17, 2023 |
| City and Borough of Juneau | 16 | 12 | January 9, 2026 |
| Central Interior | 15 | 6 | May 5, 2026 |
| Susitna Valley | 14 | 3 | January 24, 2025 |
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 Alaska.