March 30, 2021 1:52 pm UV Index: Why Does It Change Throughout the Year? How do UV rays change throughout the year and why is it possible to get a sunburn even when it’s cloudy? NBC 7 Meteorologist Sheena Parveen has everything you need to know about the UV index. US & World Videos 2:01 Sweetwater Authority works to protect water from fire 3:15 Evacuations lifted, search for cause begins day after Fairmount Fire 23:01 Politically Speaking: High-stakes race for 49th Congressional District 2:18 Fallbrook community sees drop in water bill. Will other San Diegans see the same? 2:22 Caught on camera: Suspected thieves swipe Halloween decorations from San Diego homes
