July 18
Moisture Will Return Sunday & Monday
It was certainly drier today with dew point levels as much as 20° lower than the past few days. See the graph below for the past 2 weeks and you can see its been quite “sticky” up until today.

Dew Point Levels - Past 15 Days
This dryness won’t last. A surge of moisture will return starting Saturday night thru Tuesday with thunderstorms forecasted both Sunday & Monday. Below is the Flash Flood Potential Index map released by the National Weather Service (San Diego).

Flash Flood Index Legend

