| NWS Forecast for: Sullivan County Issued by: National Weather Service Morristown, TN Last Update: 607 AM EST Tue Dec 9 2025 | |
| Today: Mostly cloudy this morning, then becoming mostly sunny. Highs in the lower 40s. Light winds. Tonight: Mostly clear in the evening, then becoming partly cloudy. Cold with lows in the upper 20s to lower 30s. Southwest winds 10 mph or less. Wednesday: Partly sunny in the morning, then a chance of rain showers in the afternoon. Highs in the mid to upper 40s. Southwest winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent. Wednesday Night: Mostly cloudy. A chance of rain and snow showers in the evening. Cold with lows in the upper 20s. West winds 5 to 15 mph with gusts up to 35 mph. Chance of precipitation 50 percent. Thursday: Mostly cloudy. Highs in the mid to upper 30s. West winds 5 to 10 mph with gusts up to 25 mph. Thursday Night: Mostly cloudy. A slight chance of snow showers after midnight. Cold with lows in the mid 20s. Chance of snow 20 percent. Friday: Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower to mid 40s. Friday Night: Mostly cloudy with a 20 percent chance of rain showers. Cold with lows in the lower 30s. Saturday: Mostly sunny. Highs in the mid to upper 40s. Saturday Night: Mostly cloudy. A slight chance of rain showers in the evening, then a chance of rain showers after midnight. Cold with lows in the upper 20s. Chance of rain 30 percent. Sunday: Partly sunny with a slight chance of rain showers in the morning, then sunny in the afternoon. Highs in the mid to upper 30s. Chance of rain 20 percent. Sunday Night: Mostly clear. Cold with lows around 18. Monday: Mostly sunny. Highs in the upper 30s to lower 40s. | |
| Zone Forecast: Sullivan County | |
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