TUCSON - The National Weather Service has issued a Winter Weather Advisory for areas above 6,500 feet. This is in effect Sunday from 2 AM until 11 PM & includes Mount Lemmon, Mount Graham, White Mountains, Santa Rita, Huachuaca and Chiricahua Mountains.
A potent area of low pressure crawls along the International Border over the next 36 hours, according to 4WARN Meteorologist Jeff Beamish. Scattered to numerous showers and thunderstorms arrive Sunday morning, tapering off to the isolated variety late Sunday night. A few showers may linger into Monday.
Storms Sunday may produce gusty winds and small hail.
Snow levels are expected to drop down to 5,000 feet late Sunday. Mount Lemmon may pick up 5-10" of snow, while 10-15" snow is possible in the Santa Ritas, Huachucas and Chiricahuas.
Valley rainfall totals are forecast to be in the 0.10-0.40" range for much of Southern Arizona.
High temperatures Sunday and Monday reach the upper 50s to low 60s in Tucson. Models hint at a new storm system late next week, possibly producing gusty winds and an isolated shower on Saturday.
Visit KVOA.com/weather for a complete look at your 4WARN extended forecast.