Patches of light rain and drizzle will develop Monday night around midnight. Showers and isolated downpours will then be possible Tuesday morning and last into early Tuesday afternoon. The atmosphere will be somewhat unstable, so there could be a random rumble of thunder. The rain chance quickly diminishes after sunset. Rain totals will range from 0.25" to 0.75" (map below).
Snow levels will be 7,000 to 8,000 feet on Tuesday morning, then drop to 5,500 to 6,500 Tuesday evening. So the top of Cuyamaca could see a little snow.
I'm still expecting cool air to descend into our area for the rest of the week, with Friday being the coldest so far this season. In fact, latest data is showing a reinforcing blast of cold air arriving on New Year's. I'll bring more updates as the front approaches.
