TUCSON, Ariz. (13 News) – Storm chances increase Tuesday into Wednesday as southerly flow returns to southern Arizona. Greatest storm coverage likely to the south and east of Tucson with localized heavy rainfall possible. High temperatures in Tucson will top out in the upper 90s to near 100° the next several days – right around normal for this time of year. Drier air moves in from the west starting Thursday, decreasing our storm coverage once again for the end of the week and into the weekend.