7-Day Zone Forecast for Sullivan County (Text-Only)
NWS Forecast for: Sullivan County
Issued by: National Weather Service Morristown, TN
Last Update: 606 PM EST Fri Jan 23 2026




Tonight: Partly cloudy. Cold with lows around 19. North winds 10 mph or less.

Saturday: Cloudy. A slight chance of snow early in the afternoon. Snow with a slight chance of sleet late. Snow and sleet accumulation around half an inch. Highs in the mid to upper 30s. Northeast winds 10 mph or less. Chance of precipitation 80 percent.

Saturday Night: Freezing rain, snow and sleet. Rain after midnight. Snow and sleet accumulation around an inch. Ice accumulation of a tenth to one quarter of an inch. Cold with lows in the lower to mid 20s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of precipitation near 100 percent.

Sunday: Rain. Highs in the lower to mid 40s. Southeast winds 5 to 10 mph. Chance of rain near 100 percent.

Sunday Night: Cloudy. Snow and rain, mainly in the evening. Moderate snow accumulation. Cold with lows 14 to 17. West winds 5 to 15 mph with gusts up to 25 mph. Chance of precipitation 90 percent.

Monday: Mostly cloudy. A slight chance of snow in the morning. Much colder with highs in the lower to mid 20s. Chance of snow 20 percent. Wind chill values near zero.

Monday Night: Mostly cloudy in the evening, then becoming partly cloudy. Colder with lows around 1. Wind chill values around 15 below.

Tuesday: Sunny, cold with highs in the mid to upper 20s. Wind chill values around 14 below in the morning.

Tuesday Night: Partly cloudy in the evening, then becoming mostly cloudy. Cold with lows around 14.

Wednesday: Partly sunny. Cold with highs in the upper 20s to lower 30s.

Wednesday Night: Mostly cloudy. A slight chance of snow in the evening, then a chance of snow after midnight. Cold with lows around 11. Chance of snow 30 percent. Wind chill values around 1 below.

Thursday: Mostly cloudy with a slight chance of snow in the morning, then partly sunny in the afternoon. Cold with highs in the lower to mid 20s. Chance of snow 20 percent. Wind chill values around 3 below.

Thursday Night: Mostly cloudy. Cold with lows around 3. Wind chill values around 9 below.

Friday: Partly sunny. Cold with highs in the lower to mid 20s. Wind chill values around 8 below in the morning.







Zone Forecast: Sullivan County

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