Severe Weather Threats Across the Plains; Dangerous Heat and Wildfire Concerns for the West; Watching the Tropics
Severe thunderstorms are expected across the Central Plains accompanied by damaging wind gusts and large hail. In addition, heavy rainfall may lead to instances of flash flooding from the Plains and mid-Atlantic regions. The heavy rainfall threat continues across Florida and across the northern Gulf as we monitor a tropical disturbance tracking westward. Critical fire weather for the Great Basin. Read More >
| NWS Forecast for: Knoxville TN Issued by: National Weather Service Morristown, TN Last Update: 1:42 pm EDT Jul 15, 2025 |  |
Tonight: A 40 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. Calm wind. Wednesday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 94. Heat index values as high as 102. Calm wind becoming southwest around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm in the evening. Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 93. Heat index values as high as 100. Southwest wind around 5 mph. Chance of precipitation is 50%. Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. Friday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny and hot, with a high near 92. Southwest wind around 5 mph. Chance of precipitation is 60%. Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%. Saturday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 60%. Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 60%. Sunday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 93. Chance of precipitation is 60%. Sunday Night: Showers and thunderstorms likely. Partly cloudy, with a low around 74. Chance of precipitation is 60%. Monday: Showers and thunderstorms likely. Mostly sunny and hot, with a high near 92. Chance of precipitation is 60%. Monday Night: Showers and thunderstorms likely. Partly cloudy, with a low around 74. Chance of precipitation is 60%. Tuesday: A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95. | |
| Knoxville TN 35.98°N 83.94°W (Elev. 942 ft) | |
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