Monday is officially the longest day of the year – the summer solstice. Summer will officially begin Monday, June 20th. Due to the Earth’s tilt, this is the day the sun shines directly over the Tropic of Cancer. The sun will rise at 5:40 a.m. and then it will set at 8:52 p.m. Also, there will be a full moon. Monday temperatures are forecast to be in the low-90s, listen to KCII for weather updates.