As we make our way into the holiday season, weather in the Grand Canyon State is about to get way more bizarre. Arizona will experience thunderstorms and potential flash floods over the course of the week.\nFrom warm, ideal hiking weather to temperatures down in the 60s, most of the state will experience these dramatic weather changes soon.\nAccording to ABC 15, there will be back to back storms starting Monday into early Wednesday that will bring heavy rain, high country snow, and much colder temperatures to the state.\nIt's even possible that the storm could create hazardous conditions for residents. The National Weather Service has issued flash flood warnings for most of southern Arizona.\nThey will be in effect now through 11:00 p.m. Wednesday (November 20) evening. You can find a list of affected areas here.\nNot only will there be plenty of rain, but you can also expect high gusts of wind along with persistent lightning storms.\nFor residents residing in the Valley, it's estimated that the Phoenix Metropolitan area will see between 1 and 2 inches of rainfall after the first storm on Thursday.\nABC 15 Arizona | Website\nHowever, it's even possible for northeastern cities such as Prescott and Payson to see more rain, totaling 2 to 4 inches.\nBy Thursday morning, snow is expected to fall in mountainous areas like Flagstaff and Williams. Snowfall could reach between 4 to 8 inches there, with the San Francisco Peaks receiving up to 20 inches of snow.\nThis is only due to the first storm rolling in. The second thunderstorm will move in sometime on Wednesday, November 20 through Friday, November 22, bringing continuous cold weather, rain, and snow in some areas.\nNarcity is following this story closely and will provide more updates when available.\nTo check the status of road conditions, check your local news or weather channel for updates.\nThere are stories everywhere. If you spot a newsworthy event in your city, send us a message, photo, or video @NarcityUSA on Facebook and Instagram.