The population was 5,586 at the 2000 census and 5,764 at the 2010 census. Sweetwater is the home of the Craighead Caverns which contains the Lost Sea, the United States' largest underground lake.
2011, The HOTTEST Year for Texas. Tweet. For most of Texas, 2011 is now the hottest year on record while city after city shatter records of 100 degree days. Texas is in a severe drought, only averaging about 1 inch of rain during July, and in many areas things are becoming desperate.
Earth Had Its Hottest Year on Record in 2015, Says NASA, NOAA. It's official: 2015 was Earth's hottest year on record. NASA and the National Oceanic Atmospheric Administration announced today that their independent analyses revealed last year was a scorcher, surpassing every year since modern record keeping began in 1880.