National Weather ServiceMaineSevere Thunderstorm WarningArchive to October 1, 2026
Severe Thunderstorm Warnings in Maine
The National Weather Service issued 71 severe thunderstorm warnings for Maine in 2025 and 123 a year on average in 2008-2025; in 2021-2025 it had the 39th most of any state. 2026 through September: 74, 39% below the average of 120 for those months in 2008-2025. Aroostook was covered most often (528 times since 2008).
How many severe thunderstorm warnings does Maine get?
Every severe thunderstorm warning that covered part of Maine. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 74 |
| 2025 | 71 |
| 2024 | 98 |
| 2023 | 62 |
| 2022 | 143 |
| 2021 | 81 |
| 2020 | 136 |
| 2019 | 94 |
| 2018 | 90 |
| 2017 | 82 |
| 2016 | 121 |
| 2015 | 174 |
| 2014 | 100 |
| 2013 | 204 |
| 2012 | 98 |
| 2011 | 231 |
| 2010 | 92 |
| 2009 | 134 |
| 2008 | 197 |
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 |
|---|---|---|---|
| Aroostook | 528 | 63 | August 28, 2026 |
| Oxford | 489 | 43 | August 28, 2026 |
| Penobscot | 417 | 78 | August 28, 2026 |
| Cumberland | 394 | 43 | August 13, 2026 |
| York | 372 | 37 | August 8, 2026 |
| Somerset | 366 | 44 | August 28, 2026 |
| Piscataquis | 351 | 66 | August 28, 2026 |
| Androscoggin | 269 | 34 | August 28, 2026 |
| Franklin | 264 | 22 | July 16, 2026 |
| Kennebec | 258 | 34 | August 13, 2026 |
| Washington | 177 | 22 | July 16, 2026 |
| Hancock | 147 | 25 | July 16, 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.
The latest severe thunderstorm warnings for Maine in AreaZine's record
NWS CaribouWarningAugust 28, 2026
Severe Thunderstorm Warning: Penobscot and Piscataquis, ME
Expired 7:00 p.m. EDT, August 28, 2026
NWS CaribouWarningAugust 28, 2026
Severe Thunderstorm Warning: Piscataquis, ME
Expired 6:00 p.m. EDT, August 28, 2026
NWS GrayWarningAugust 28, 2026
Severe Thunderstorm Warning: Androscoggin and Oxford, ME
Expired 4:00 p.m. EDT, August 28, 2026
NWS CaribouWarningAugust 28, 2026
Severe Thunderstorm Warning: Piscataquis, ME
Expired 1:45 p.m. EDT, August 28, 2026
NWS GrayWarningAugust 27, 2026
Severe Thunderstorm Warning: Oxford, ME
Expired 7:45 p.m. EDT, August 27, 2026
NWS GrayWarningAugust 13, 2026
Severe Thunderstorm Warning: Kennebec, Knox, Lincoln and 1 more, ME
Expired 6:30 p.m. EDT, August 13, 2026
NWS GrayWarningAugust 13, 2026
Severe Thunderstorm Warning: Kennebec and Somerset, ME
Expired 3:30 p.m. EDT, August 13, 2026
NWS CaribouWarningAugust 13, 2026
Severe Thunderstorm Warning: Penobscot and Piscataquis, ME
Expired 3:30 p.m. EDT, August 13, 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 severe thunderstorm warning?
A severe thunderstorm warning means a storm is producing, or is about to produce, hail one inch across or larger and/or winds of 58 mph or more. 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.