National Weather Service Forecast for: 3 Miles WSW Chattanooga TN
Issued by: National Weather Service Morristown, TN
Updated: 2:36 pm EDT Jul 16, 2026
 
This
Afternoon
This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90. Heat index values as high as 99. West wind around 5 mph.
Chance
T-storms

 Tonight

Tonight: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. West wind around 5 mph becoming calm.
Slight Chance
T-storms then
Mostly Clear
 Friday

Friday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 100. Calm wind becoming west around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny
then Chance
T-storms
 Friday
Night
Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 74. Calm wind.
Chance
T-storms then
Mostly Clear
 Saturday

Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Sunny and hot, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Chance
T-storms then
Showers
Likely
 Saturday
Night
Saturday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 60%.
Showers
Likely then
Slight Chance
Showers
 Sunday

Sunday: A slight chance of thunderstorms, then showers and thunderstorms likely after 8am. Mostly sunny and hot, with a high near 90. Calm wind becoming northwest around 5 mph. Chance of precipitation is 60%.
Slight Chance
T-storms then
T-storms
Likely
 Sunday
Night
Sunday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 60%.
T-storms
Likely then
Slight Chance
T-storms
 Monday

Monday: Sunny and hot, with a high near 92.
Hot
Hi 90 °F Lo 74 °F Hi 90 °F Lo 74 °F Hi 90 °F Lo 74 °F Hi 90 °F Lo 73 °F Hi 92 °F

 

This Afternoon
 
 A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90. Heat index values as high as 99. West wind around 5 mph.
Tonight
 
 A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. West wind around 5 mph becoming calm.
Friday
 
 A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 100. Calm wind becoming west around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
 
 A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 74. Calm wind.
Saturday
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Sunny and hot, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
 
 Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 60%.
Sunday
 
 A slight chance of thunderstorms, then showers and thunderstorms likely after 8am. Mostly sunny and hot, with a high near 90. Calm wind becoming northwest around 5 mph. Chance of precipitation is 60%.
Sunday Night
 
 Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 60%.
Monday
 
 Sunny and hot, with a high near 92.
Monday Night
 
 Mostly clear, with a low around 74.
Tuesday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93.
Tuesday Night
 
 A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Wednesday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Wednesday Night
 
 A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.
Thursday
 
 Sunny, with a high near 88.

 

Forecast from NOAA-NWS for 3 Miles WSW Chattanooga TN.