7-Day Zone Forecast for Union County (Text-Only)
NWS Forecast for: Union County
Issued by: National Weather Service Morristown, TN
Last Update: 230 PM EDT Tue Apr 28 2026
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Rest Of Today: Mostly sunny. A slight chance of showers and thunderstorms late. Highs in the upper 70s. Southwest winds 10 mph or less with gusts up to 20 mph. Chance of rain 20 percent.

Tonight: A chance of showers and thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Lows in the lower 60s. Light winds. Chance of rain 90 percent.

Wednesday: Mostly cloudy in the morning, then becoming partly sunny. Showers in the morning. A chance of thunderstorms. A chance of showers in the afternoon. Highs in the mid 70s. West winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 90 percent.

Wednesday Night: Mostly cloudy. A slight chance of showers in the evening. Less humid with lows around 50. Light winds. Chance of rain 20 percent.

Thursday: Sunny. Highs in the upper 60s. Light winds.

Thursday Night: Mostly cloudy. Lows in the mid 40s.

Friday: Partly sunny in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 20 percent.

Friday Night: Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 40s. Chance of rain 40 percent.

Saturday: Mostly cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Highs in the lower 60s. Chance of rain 20 percent.

Saturday Night: Partly cloudy in the evening, then clearing. Lows in the upper 30s.

Sunday: Sunny. Highs in the mid 60s.

Sunday Night: Mostly clear. Lows in the lower 40s.

Monday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 70. Chance of rain 20 percent.







Zone Forecast: Union County

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