| NWS Forecast for: McNairy County Issued by: National Weather Service Memphis, TN Last Update: 605 PM CDT Sun Jul 19 2026 |  |
Tonight: Partly cloudy. A slight chance of showers and thunderstorms this evening. Patchy fog after midnight. Lows in the mid 70s. Light and variable winds. Chance of rain 20 percent. Monday: Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Light and variable winds, becoming west around 5 mph in the afternoon. Chance of rain 30 percent. Heat index values up to 106. Monday Night: Mostly clear. Humid with lows in the mid 70s. Light and variable winds. Tuesday: Sunny with highs in the mid 90s. Southwest winds around 5 mph. Heat index values up to 108. Tuesday Night: Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the upper 70s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 106 early in the evening. Wednesday: Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Wednesday Night: Mostly clear. Lows in the upper 60s. Thursday: Sunny. Highs in the upper 80s. Thursday Night: Mostly clear. Lows in the upper 60s. Friday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. Friday Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 70s. Chance of rain 30 percent. Saturday: Partly sunny with a chance of showers and thunderstorms. Highs around 90. Chance of rain 40 percent. Saturday Night: Mostly cloudy in the evening, then becoming partly cloudy. A 20 percent chance of showers. Lows in the lower 70s. Sunday: Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. | |
| Zone Forecast: McNairy County | |
Visit your local NWS office at: https://www.weather.gov/meg |