7-Day Zone Forecast for Grainger County (Text-Only)
NWS Forecast for: Grainger County
Issued by: National Weather Service Morristown, TN
Last Update: 228 AM EDT Sun Jul 12 2026




Rest Of Tonight: Showers likely with a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 60s. Light winds. Chance of rain 70 percent.

Sunday: Showers likely with a chance of thunderstorms in the morning and early afternoon, then showers and thunderstorms likely late. Some thunderstorms may produce heavy rainfall in the morning and early afternoon. Some thunderstorms may produce heavy rainfall late. Highs around 80. Light winds. Chance of rain 70 percent.

Sunday Night: Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall until early morning. Lows in the upper 60s. Light winds. Chance of rain 70 percent.

Monday: Partly sunny with a chance of showers and thunderstorms in the morning, then mostly cloudy with showers and thunderstorms likely in the afternoon. Highs in the lower 80s. Light winds. Chance of rain 70 percent.

Monday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 60s. Light winds.

Tuesday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.

Tuesday Night: Partly cloudy. Lows in the upper 60s.

Wednesday: Mostly sunny. A slight chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 20 percent.

Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s.

Thursday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.

Thursday Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 70.

Friday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.

Friday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows around 70. Chance of rain 20 percent.

Saturday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.







Zone Forecast: Grainger County

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