A weather system will move through today bringing scattered showers and thunderstorms from Tucson eastward. The best chances will be in Cochise County and southern Graham/Greenlee County where brief heavy rainfall will be possible.
The potential for the heaviest rainfall will be in Cochise County and southern Graham and Greenlee Counties. There is a 20-60 percent chance for parts of those three counties to see a half inch of rain or or more through Saturday morning.