You should see a doctor any time that you have unexplained tongue swelling, particularly if it doesn't resolve in a day or two on it's own. The following is a list of conditions that may cause a swollen tongue and may also require immediate medical intervention.
Lake Tahoe current water temperature is: 60Â°F. This water temperature is too cold for water sports. Please wear a wetsuit if you like to go into the water. During the warm months of the Lake, tourists can enjoy several outdoor activities such as boating, cruising, biking, hiking, and even climbing up to Mount Tall-ac.
Surface temperatures of the lake water vary between 32F (0C) and 66F (19C). Summer temperatures range normally between 50F (10C) and 60F (16C). Water more than 260 feet (80 meters) beneath the surface remains cold all year long at a temperature near 38F (3C).