Weather forecast for: 3 Miles NNW Karnack TX
Last Update: 3:02 pm CDT Sep 4, 2026
Tonight: Partly cloudy, with a low around 74. Calm wind.
Saturday: A slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind becoming east around 5 mph. Chance of precipitation is 30%.
Saturday Night: Partly cloudy, with a low around 73. Calm wind.
Sunday: Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind becoming east around 5 mph.
Sunday Night: Mostly clear, with a low around 74. Calm wind.
Labor Day: Sunny and hot, with a high near 100.
Monday Night: Mostly clear, with a low around 74.
Tuesday: Sunny and hot, with a high near 99.
Tuesday Night: Mostly clear, with a low around 74.
Wednesday: Sunny and hot, with a high near 97.
Wednesday Night: Mostly clear, with a low around 73.
Thursday: Sunny and hot, with a high near 97.
Thursday Night: Mostly clear, with a low around 73.
Friday: A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.