National Weather ServiceMaineFlash Flood WarningArchive to October 1, 2026
Flash Flood Warnings in Maine
The National Weather Service issued 6 flash flood warnings for Maine in 2025 and 16 a year on average in 2008-2025; in 2021-2025 it had the 41st most of any state. 2026 through September: 7, 55% below the average of 15 for those months in 2008-2025. Oxford was covered most often (74 times since 2008).
How many flash flood warnings does Maine get?
Every flash flood warning that covered part of Maine. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 7 |
| 2025 | 6 |
| 2024 | 24 |
| 2023 | 49 |
| 2022 | 9 |
| 2021 | 12 |
| 2020 | 8 |
| 2019 | 5 |
| 2018 | 8 |
| 2017 | 15 |
| 2016 | 5 |
| 2015 | 4 |
| 2014 | 20 |
| 2013 | 34 |
| 2012 | 25 |
| 2011 | 18 |
| 2010 | 8 |
| 2009 | 28 |
| 2008 | 16 |
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 Maine 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 Maine?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Oxford | 74 | 23 | July 8, 2025 |
| Somerset | 66 | 23 | June 21, 2026 |
| Aroostook | 61 | 11 | June 22, 2026 |
| Franklin | 60 | 22 | July 11, 2024 |
| Cumberland | 47 | 18 | July 8, 2025 |
| Piscataquis | 46 | 13 | June 21, 2026 |
| Penobscot | 37 | 5 | July 11, 2024 |
| York | 33 | 9 | August 4, 2024 |
| Androscoggin | 24 | 6 | March 10, 2024 |
| Kennebec | 23 | 5 | June 25, 2024 |
| Washington | 18 | 4 | September 17, 2023 |
| Hancock | 14 | 1 | September 16, 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 1, 2026.
The latest flash flood warnings for Maine in AreaZine's record
NWS CaribouWarningJune 22, 2026
Flash Flood Warning: Aroostook, ME
Expired 11:00 p.m. EDT, June 22, 2026
NWS CaribouWarningJune 21, 2026
Flash Flood Warning: Piscataquis, ME
Expired 5:00 p.m. EDT, June 21, 2026
NWS GrayWarningJune 21, 2026
Flash Flood Warning: Somerset, ME
Expired 4:45 p.m. EDT, June 21, 2026
NWS GrayWarningJune 21, 2026
Flash Flood Warning: Waldo, ME
Expired 4:00 p.m. EDT, June 21, 2026
NWS CaribouWarningJune 21, 2026
Flash Flood Warning: Aroostook, ME
Expired 4:45 p.m. EDT, June 21, 2026
NWS CaribouWarningJune 12, 2026
Flash Flood Warning: Aroostook and Piscataquis, ME
Expired 3:00 p.m. EDT, June 12, 2026
NWS CaribouWarningJune 12, 2026
Flash Flood Warning: Aroostook, ME
Expired 2:45 p.m. EDT, June 12, 2026
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).
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 Maine.