| NWS Forecast for: Union County Issued by: National Weather Service Morristown, TN Last Update: 706 AM EDT Wed Sep 9 2026 | |
| Today: Sunny this morning. Highs in the upper 80s. Light winds. Tonight: Mostly clear. Lows in the upper 60s. Light winds. Thursday: Sunny in the afternoon. Highs in the upper 80s. Light winds. Thursday Night: Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 60s. Light winds. Chance of rain 20 percent. Friday: Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Light winds. Chance of rain 50 percent. Friday Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the upper 60s. Chance of rain 40 percent. Saturday: Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 70 percent. Saturday Night: Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 60s. Chance of rain 30 percent. Sunday: Partly sunny with a slight chance of showers in the morning, then sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. Sunday Night: Mostly clear. Lows in the upper 60s. Monday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. Monday Night: Mostly clear. Lows in the upper 60s. Tuesday: Sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 40 percent. | |
| Zone Forecast: Union County | |
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