TUCSON, Ariz. (KGUN) — A weak weather system is moving down the Baja Peninsula today and is expected to cross into Sonora, Mexico Monday and Tuesday. This first storm isn’t very strong, but it could bring a slight chance of light showers to areas near the U.S.–Mexico border, particularly south and east of Tucson, mainly in Cochise County.
Later in the week, a second storm will arrive — and this one looks a bit stronger. It could bring rain to valley areas and possibly snow to higher elevations…