McGhee Tyson Airport (TYS) Weather 07/17/2025
Today
93
Sunny then Chance T-storms
Tonight
74
T-storms Likely then Slight Chance T-storms
Friday
91
Chance T-storms then T-storms Likely
Friday Night
74
T-storms Likely then Chance Showers
Saturday
89
Chance T-storms then T-storms Likely
Saturday Night
74
T-storms Likely then Chance Showers
Sunday
91
Slight Chance T-storms then T-storms Likely
Sunday Night
74
T-storms Likely then Chance T-storms
Monday
92
Slight Chance T-storms then T-storms Likely
Monday Night
74
T-storms Likely then Slight Chance T-storms
Tuesday
94
Mostly Sunny then Chance T-storms
Tuesday Night
74
Chance T-storms
Wednesday
95
Mostly Sunny then Chance T-storms
Weekly Forecast
Today
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 98. Southwest wind 5 to 10 mph.
Tonight
Showers and thunderstorms likely before 1am, then a slight chance of showers after 4am. Partly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 96. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Saturday
A slight chance of showers, then showers and thunderstorms likely after 8am. Partly sunny, with a high near 89. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Southwest wind around 5 mph. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 91. West wind around 5 mph. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny and hot, with a high near 92. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly 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 94.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.