SAN DIEGO (KGTV) -- San Diego Gas and Electric has released a list and map of areas that may be affected by planned power outages amid Santa Ana winds.
The National Weather Service has issued a Red Flag Warning from noon Thursday through 6 p.m. Friday for the inland valleys and mountains. East to northeast winds are expected to reach 20 to 30 miles per hour with gusts as high as 50 miles per hour and isolated gusts as high as 60 miles per hour.
To make matters worse, humidity is expected to range between 5 and 10 percent with poor overnight recovery.
As of Thursday afternoon, SDG&E said nearly 18,000 customers may be affected by planned power outages.
Scroll through the maps below to see the affected areas:
Click here for more information from SDG&E on the possible planned outages.