Todays weather in Knoxville TN - Wednesday - 27 May 2026

Knoxville is in for a soaking today. Thunderstorms are already developing this morning, with rain chances arriving before 11 a.m., storms most likely between 11 a.m. and 2 p.m., and more storm chances carrying into tonight. The overnight low sits around 66°F with a 52% chance of storms before midnight — making this a wet one from start to finish.The high today stays near 82°F with southwest winds at 5 to 10 mph keeping conditions warm and muggy. There's no dramatic temperature swing to worry about. The story today is entirely the sky.For your morning commute, budget extra time. Wet roads and reduced visibility are already factors, and a quick downpour during the lunch hour is a real possibility. Keep that umbrella in your hand, not buried in your bag, and consider a light jacket — stepping into air conditioning in a soaked shirt is its own kind of miserable.Looking ahead, this pattern isn't going anywhere fast. Thursday brings more showers near 82°F. Friday escalates with storms likely and a 60% chance of rain, climbing to 70% Friday night. Saturday holds at 68%. If you have outdoor plans between now and Sunday, start building your backup plan now.The good news: early next week offers genuine relief. Monday drops to a 27% chance, and Tuesday brings mostly sunny skies with just 15% odds of precipitation. Tuesday's sunshine is going to feel well-earned.This is your daily Knoxville, TN weather briefing — practical, specific, and under three minutes. Grab that umbrella and keep it close through the weekend.This episode includes AI-generated content.