| NWS Forecast for: Marion County Issued by: National Weather Service Morristown, TN Last Update: 606 AM CDT Mon Aug 31 2026 |  |
| Today: Sunny. Highs in the upper 80s to lower 90s. Light winds. Tonight: Mostly clear. Lows in the lower 70s. Light winds. Tuesday: Sunny. Highs in the lower to mid 90s. Light winds. Heat index values around 106. Tuesday Night: Mostly clear. Lows in the lower 70s. Light winds. Wednesday: Sunny. Highs in the lower to mid 90s. Light winds. Heat index values around 107. Wednesday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 70s. Thursday: 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 107. Thursday Night: Mostly clear. Lows in the lower 70s. Friday: Sunny. A slight chance of showers 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 with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows around 70. Chance of rain 20 percent. Saturday: Sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. Saturday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 60s. Sunday: Sunny. A slight chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s to lower 90s. Chance of rain 20 percent. | |
| Zone Forecast: Marion County | |
Visit your local NWS office at: https://www.weather.gov/mrx |