| NWS Forecast for: Johnson County Issued by: National Weather Service Morristown, TN Last Update: 228 PM EDT Fri Aug 21 2026 |  |
Rest Of Today: Showers and thunderstorms likely. Highs in the 70s to mid 80s. Temperature falling into the lower 70s this afternoon. Light winds. Chance of rain 70 percent. Tonight: Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Partly cloudy late. Lows in the upper 50s to lower 60s. Light winds. Chance of rain 40 percent. Saturday: Mostly sunny in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the 70s to lower 80s. Temperature falling into the lower 70s in the afternoon. West winds 10 mph or less. Chance of rain 20 percent. Saturday Night: Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly cloudy after midnight. Lows in the mid 50s to lower 60s. Light winds. Chance of rain 40 percent. Sunday: Mostly sunny. Highs in the upper 60s and 70s. Temperature falling into the upper 60s in the afternoon. Northwest winds 10 mph or less. Sunday Night: Mostly clear. Lows in the lower to mid 50s. Monday: Sunny. Highs in the 70s to lower 80s. Temperature falling to around 70 in the afternoon. Monday Night: Partly cloudy. Lows in the 50s. Tuesday: Mostly sunny. Highs in the 70s to lower 80s. Tuesday Night: Partly cloudy. Lows in the mid 50s to lower 60s. Wednesday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 70s to mid 80s. Chance of rain 50 percent. Wednesday Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 60s. Chance of rain 50 percent. Thursday: Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the 70s to lower 80s. Chance of rain 70 percent. | |
| Zone Forecast: Johnson County | |
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