National Weather ServiceKentuckyDense Fog AdvisoryArchive to October 1, 2026
Dense Fog Advisories in Kentucky
The National Weather Service issued 47 dense fog advisories for Kentucky in 2025 and 35 a year on average in 2008-2025; in 2021-2025 it had the 27th most of any state. 2026 through September: 26, 6% above the average of 25 for those months in 2008-2025. Whitley was covered most often (132 times since 2008).
How many dense fog advisories does Kentucky get?
Every dense fog advisory that covered part of Kentucky. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 26 |
| 2025 | 47 |
| 2024 | 44 |
| 2023 | 39 |
| 2022 | 23 |
| 2021 | 38 |
| 2020 | 38 |
| 2019 | 37 |
| 2018 | 30 |
| 2017 | 49 |
| 2016 | 26 |
| 2015 | 38 |
| 2014 | 23 |
| 2013 | 34 |
| 2012 | 33 |
| 2011 | 38 |
| 2010 | 30 |
| 2009 | 30 |
| 2008 | 25 |
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 Kentucky 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 Kentucky?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Whitley | 132 | 24 | September 13, 2026 |
| Clay | 131 | 23 | September 13, 2026 |
| Knox | 131 | 24 | September 13, 2026 |
| Pulaski | 129 | 23 | September 13, 2026 |
| McCreary | 128 | 23 | September 13, 2026 |
| Leslie | 127 | 23 | September 13, 2026 |
| Wayne | 127 | 23 | September 13, 2026 |
| Ballard | 126 | 34 | February 27, 2026 |
| Laurel | 126 | 23 | September 13, 2026 |
| Owsley | 126 | 23 | September 13, 2026 |
| Perry | 126 | 23 | September 13, 2026 |
| Rockcastle | 126 | 24 | September 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 dense fog advisory?
A dense fog advisory means fog will cut visibility to a quarter mile or less over a wide area. An advisory is issued for a hazard less serious than a warning that can still cause inconvenience or danger if people are not careful. The national record · Every warning type in Kentucky.