| NWS Forecast for: Sullivan County Issued by: National Weather Service Morristown, TN Last Update: 228 PM EDT Mon Oct 12 2026 | |
| Rest Of Today: Mostly sunny. Highs in the lower to mid 70s. Light winds. Tonight: Mostly clear. Lows in the mid to upper 50s. Light winds. Tuesday: Sunny. Highs in the upper 70s to lower 80s. Southwest winds 10 mph or less. Tuesday Night: Clear. Lows in the upper 50s to lower 60s. Light winds. Wednesday: Sunny. Highs in the lower 80s. Light winds. Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Thursday: Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent. Thursday Night: Partly cloudy in the evening, then becoming mostly clear. A slight chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 20 percent. Friday: Mostly 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. Temperature falling into the upper 60s in the afternoon. Chance of rain 50 percent. Friday Night: Partly cloudy. A slight chance of showers in the evening. Much cooler with lows in the lower 40s. Chance of rain 20 percent. Saturday: Mostly sunny. Cooler with highs in the mid to upper 50s. Saturday Night: Mostly clear. Lows in the mid 30s. Sunday: Sunny. Highs in the mid to upper 60s. | |
| Zone Forecast: Sullivan County | |
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