National Weather Service Forecast for: 3 Miles WSW Chattanooga TN
Issued by: National Weather Service Morristown, TN
Updated: 7:01 pm EDT Sep 12, 2026
 
Tonight

Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm.
Slight Chance
T-storms then
Mostly Clear
 Sunday

Sunday: Patchy fog before 9am. Otherwise, sunny and hot, with a high near 94. Heat index values as high as 100. Calm wind.
Patchy Fog
then Sunny
 Sunday
Night
Sunday Night: Mostly clear, with a low around 70. North wind around 5 mph becoming calm.
Mostly Clear

 Monday

Monday: Sunny and hot, with a high near 95. Heat index values as high as 103. Calm wind becoming northeast around 5 mph in the afternoon.
Hot

 Monday
Night
Monday Night: Mostly clear, with a low around 70. Northeast wind around 5 mph becoming calm after midnight.
Mostly Clear

 Tuesday

Tuesday: Sunny and hot, with a high near 95. Calm wind becoming southeast around 5 mph in the afternoon.
Hot

 Tuesday
Night
Tuesday Night: Clear, with a low around 70. Southeast wind around 5 mph.
Clear

 Wednesday

Wednesday: Sunny and hot, with a high near 96.
Hot

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 69.
Mostly Clear
Lo 70 °F Hi 94 °F Lo 70 °F Hi 95 °F Lo 70 °F Hi 95 °F Lo 70 °F Hi 96 °F Lo 69 °F

 

Tonight
 
 A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm.
Sunday
 
 Patchy fog before 9am. Otherwise, sunny and hot, with a high near 94. Heat index values as high as 100. Calm wind.
Sunday Night
 
 Mostly clear, with a low around 70. North wind around 5 mph becoming calm.
Monday
 
 Sunny and hot, with a high near 95. Heat index values as high as 103. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
 
 Mostly clear, with a low around 70. Northeast wind around 5 mph becoming calm after midnight.
Tuesday
 
 Sunny and hot, with a high near 95. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
 
 Clear, with a low around 70. Southeast wind around 5 mph.
Wednesday
 
 Sunny and hot, with a high near 96.
Wednesday Night
 
 Mostly clear, with a low around 69.
Thursday
 
 Sunny and hot, with a high near 96.
Thursday Night
 
 Mostly clear, with a low around 69.
Friday
 
 A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
Friday Night
 
 A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 70.
Saturday
 
 A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 93.

 

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