Our Guest WeatherBrain this week is an Emmy-award winning CBS morning meteorologist for WLNS-TV in Lansing, Michigan.  She's a prolific TikToker and YouTuber, and recently became CBM # 918.  Katie Nickolaou, welcome to WeatherBrains.  Also stopping by later in the show is storm chaser and show regular Mark Sudduth live from the Florida coast ahead of the landfall of Idalia.