| NWS Forecast for: Knox County Issued by: National Weather Service Morristown, TN Last Update: 106 AM EDT Wed Aug 12 2026 |  |
Rest Of Tonight: Mostly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Light winds. Chance of rain 20 percent. Wednesday: Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs around 90. Southwest winds 10 mph or less. Chance of rain 40 percent. Wednesday Night: Partly cloudy. A chance of showers with a slight chance of thunderstorms until early morning, then a slight chance of showers late. Lows in the lower 70s. Light winds. Chance of rain 30 percent. Thursday: Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Light winds. Chance of rain 40 percent. Thursday Night: Partly cloudy. Humid with lows in the mid 70s. Light winds. Friday: 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. Chance of rain 40 percent. Heat index values around 106. Friday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid 70s. Chance of rain 20 percent. Saturday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values around 105. Saturday Night: Partly cloudy. Lows in the mid 70s. Sunday: Mostly sunny. Highs in the mid 90s. Sunday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. Monday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values around 105. Monday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 20 percent. Tuesday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. | |
| Zone Forecast: Knox County | |
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