| NWS Forecast for: Sullivan County Issued by: National Weather Service Morristown, TN Last Update: 606 AM EST Thu Nov 20 2025 |  |
Today: Mostly cloudy this morning, then becoming partly sunny. Patchy fog this morning. Highs in the mid to upper 60s. Light winds. Tonight: A chance of showers in the evening, then showers after midnight. Areas of fog after midnight. Widespread fog late. Lows in the mid 50s. Light winds. Chance of rain 90 percent. Friday: Showers likely in the morning and early afternoon. A slight chance of thunderstorms in the afternoon. A chance of showers late. Highs in the mid to upper 60s. Light winds. Chance of rain 60 percent. Friday Night: Showers likely in the evening, then showers with a slight chance of thunderstorms after midnight. Lows in the upper 50s. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 90 percent. Saturday: Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the lower to mid 60s. West winds 5 to 10 mph. Chance of rain 50 percent. Saturday Night: Partly cloudy. A slight chance of showers in the evening. Lows in the mid 40s. Chance of rain 20 percent. Sunday: Sunny. Highs in the upper 50s to lower 60s. Sunday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s to lower 40s. Monday: Partly sunny. Highs in the lower to mid 60s. Monday Night: Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 40s. Chance of rain 30 percent. Tuesday: Mostly cloudy with a 50 percent chance of showers. Highs in the lower 60s. Tuesday Night: Mostly cloudy. Showers likely, mainly in the evening. Lows in the lower 50s. Chance of rain 60 percent. Wednesday: Mostly cloudy in the morning, then becoming partly sunny. A 20 percent chance of showers. Highs in the lower 60s. | |
| Zone Forecast: Sullivan County | |
Visit your local NWS office at: https://www.weather.gov/mrx |