Weather World
Heritage High School, TN 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Heritage High School, TN Weather Forecast
Heritage High School, TN Weather Forecast Date: 228 PM EDT Sat Sep 19 2026
The area/counties/county of: Northwest Blount, including the cities of: Happy Valley, Maryville, and Alcoa.or toggle through each period.
Rest of Today... Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower to mid 90s. Light winds. Chance of rain 20%.
Tonight... Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 60s. Light winds. Chance of rain 20%.
Sunday... Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Light winds. Chance of rain 20%.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s. Light winds.
Monday... Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Light winds. Chance of rain 50%.
Monday Night... Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the upper 60s. Chance of rain 60%.
Tuesday... Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 90%.
Tuesday Night... Showers likely with a slight chance of thunderstorms in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 70%.
Wednesday... Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 90%.
Wednesday Night... Partly cloudy with showers likely with a chance of thunderstorms in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the lower 60s. Chance of rain 70%.
Thursday... Partly sunny. A chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid to upper 70s. Chance of rain 50%.
Thursday Night... Partly cloudy with a 20% chance of showers. Lows around 60.
POP = Probability of Precipitation
Heritage High School Radar Loop
Use the map search tool if you want to place a location marker on the radar map...