7 00 tomorrow morning. The spots closest to the 20s right now would be right here in napa at 32 degrees, walnut creek, 32. Stanford 34. We get a closer look at the areas we could see numbers in the 20s tomorrow morning. The number one location of this happening would be in the north bay. Number two location of this potentially happening would be in contra costa, alameda counties. And the third location is down in the south bay, from morgan hill through gilroy. Well track more of exactly what youll wake up to in your micro climate details at 11 19 tonight. You can track the freezing temperatures in the palm of your hand, down load our app. A potentially deadly mail in the east bay. An arrest after a package bomb mailing. This man is in jail for sending explosives to a home on the peninsula and now the feds say he may be responsible for a package bomb sent to a Police Officers home. Cheryl hurd joins us now with the details. Reporter u. S. Postal inspectors started the investigation now