Per MoCo NOAA:
As the upper ridge edges eastward later in the week, increased low and mid-level moisture will enhance the afternoon thunderstorm possibility across mainly the eastern and southern portions of California through the end of the week.
Per John Lindsay of SLO Co:
San Luis Obispo County can expect triple-digit temperatures, “monsoonal moisture” and dry lightning this week, according to PG&E meteorologist John Lindsey.
And that combination could prove to be a recipe for wildfire, he said.
“Whenever you have this much dry fuel, combined with warm temperatures and the possibility of dry lightning, fire danger is going to be for our area very high,” Lindsey said. Fire danger will remain “Very High” Wednesday through Friday, before dropping down to “High” through Saturday and Sunday.