Tuesday Forecast: Brief warm-up before a winter storm

TUCSON – The 70s strike back, but only for a limited time.
As high pressure passes over Arizona, daytime highs peak in the low to mid 70s the next two days. These highs run 3-8° above normal for early December.
Expect a mix of sun and clouds this afternoon and Wednesday.
Southern Arizona remains on track for a late week winter storm. Ahead of a Pacific cold front, scattered showers develop Thursday afternoon. Rain & mountain snow becomes widespread Thursday night into Friday aftern