| NWS Forecast for: Johnson County Issued by: National Weather Service Morristown, TN Last Update: 706 AM EDT Sun Jul 12 2026 |  |
Today: Showers and thunderstorms likely. Some thunderstorms may produce heavy rainfall this morning. Some thunderstorms may produce heavy rainfall this afternoon. Highs in the upper 60s to lower 80s. Light winds. Chance of rain 70 percent. Tonight: Mostly cloudy. A chance of thunderstorms in the evening. A chance of showers. A slight chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall in the evening. Some thunderstorms may produce heavy rainfall after midnight. Lows in the upper 50s to mid 60s. Light winds. Chance of rain 50 percent. Monday: Mostly cloudy with a chance of showers and thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 60s and 70s. Light winds. Chance of rain 70 percent. Monday Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 50s to lower 60s. East winds 10 mph or less. Chance of rain 20 percent. Tuesday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the 70s to mid 80s. Light winds. Chance of rain 20 percent. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s to mid 60s. Wednesday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s and 80s. Chance of rain 20 percent. Wednesday Night: Mostly clear. Lows in the lower to mid 60s. Thursday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s to lower 90s. Chance of rain 30 percent. Thursday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the 60s. Friday: Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s and 80s. Chance of rain 40 percent. Friday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the lower to mid 60s. Chance of rain 20 percent. Saturday: Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s and 80s. Chance of rain 40 percent. | |
| Zone Forecast: Johnson County | |
Visit your local NWS office at: https://www.weather.gov/mrx |