- Heat Advisory for Chattanooga, TN - Click for Details...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ FRIDAY...Expires: September 04, 2026 @ 8:00pmWHAT
Afternoon heat index values will reach or exceed 100 across much of the area, with some locations peaking around 107.WHERE
A portion of East Tennessee, primarily in valley locations, including the Sequatchie Valley, will be most likely to approach heat indices near or slightly above 105F during the peak heat of the late afternoon hours.WHEN
Until 8 PM EDT /7 PM CDT/ Friday.IMPACTS
Hot temperatures and high humidity may cause heat illnesses.PRECAUTIONARY/PREPAREDNESS ACTIONS
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. - Heat Advisory for Chattanooga, TN - Click for Details...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ FRIDAY...Expires: September 04, 2026 @ 8:00pmWHAT
Afternoon heat index values will reach or exceed 100 across much of the area, with some locations peaking around 107.WHERE
A portion of East Tennessee, primarily in valley locations, including the Sequatchie Valley, will be most likely to approach heat indices near or slightly above 105F during the peak heat of the late afternoon hours.WHEN
Until 8 PM EDT /7 PM CDT/ Friday.IMPACTS
Hot temperatures and high humidity may cause heat illnesses.PRECAUTIONARY/PREPAREDNESS ACTIONS
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Chattanooga, TN
99°
Mostly Sunny
Humidity: 38% Dew Point: 69°
Wind: ESE 3 mph
Conditions as of 4:47pm
Wind: ESE 3 mph
Conditions as of 4:47pm
Thursday
99°
Mainly sunny with a high of 99.
5%
7:15am 8:04pm
Thursday Night
75°
Mainly clear with overnight lows approaching 75.
3%
7:15am 8:04pm
Friday
98°
Mainly sunny skies with daytime highs approaching 98.
4%
7:15am 8:03pm
7-Day Forecast:
Thursday
9/3
9/3
99°
Mainly sunny with a high of 99. Southeasterly winds around 5 mph.
5% ESE 3 mph
Sunrise: 7:15am Sunset: 8:04pm Moon: Last Quarter
5%
ESE 3 mph
ESE 3 mph
Thursday Night
75°
Mainly clear with overnight lows approaching 75. Winds turning northeast around 5 mph.
3% ENE 1 mph
3%
ENE 1 mph
ENE 1 mph
Friday
9/4
9/4
98°
Mainly sunny skies with daytime highs approaching 98. Winds becoming east around 5 mph.
4% ESE 1 mph
Sunrise: 7:15am Sunset: 8:03pm Moon: Last Quarter
4%
ESE 1 mph
ESE 1 mph
Friday Night
75°
Lows around 75 under mainly clear skies. Winds becoming east around 5 mph.
3% ENE 1 mph
3%
ENE 1 mph
ENE 1 mph
Saturday
9/5
9/5
98°
Daytime highs approaching 98 under mainly clear skies with a chance for scattered thunderstorms late. Winds turning northwest around 5 mph.
28% NW 1 mph
Sunrise: 7:16am Sunset: 8:02pm Moon: Waning Crescent
28%
NW 1 mph
NW 1 mph
Saturday Night
74°
Chance for scattered thunderstorms, otherwise partly cloudy. Lows level off around 74. Winds becoming north around 5 mph.
6% NNW 3 mph
6%
NNW 3 mph
NNW 3 mph
Sunday
9/6
9/6
95°
Mainly sunny skies with a slight chance for scattered thunderstorms. Highs level off around 95. North winds around 5 mph.
18% N 3 mph
Sunrise: 7:17am Sunset: 8:00pm Moon: Waning Crescent
18%
N 3 mph
N 3 mph
Sunday Night
71°
Slight chance for scattered thunderstorms, otherwise partly cloudy skies. Low of 71. Winds out of the east around 5 mph.
21% ENE 3 mph
21%
ENE 3 mph
ENE 3 mph
Monday
9/7
9/7
91°
High temperatures reach up to 91 under partly cloudy skies with a chance for scattered storms. Winds out of the southeast 5 to 10 mph.
26% SSE 4 mph
Sunrise: 7:17am Sunset: 7:59pm Moon: Waning Crescent
26%
SSE 4 mph
SSE 4 mph
Monday Night
69°
Lows dip down to about 69 under partly cloudy skies. Southeast winds 5 to 10 mph.
9% SSE 4 mph
9%
SSE 4 mph
SSE 4 mph
Tuesday
9/8
9/8
92°
Daytime highs approaching 92 under partly cloudy skies. Winds out of the south around 5 mph.
10% SSE 3 mph
Sunrise: 7:18am Sunset: 7:57pm Moon: Waning Crescent
10%
SSE 3 mph
SSE 3 mph
Tuesday Night
70°
Overnight lows approaching 70 under mainly clear skies. South winds around 5 mph.
1% SSE 3 mph
1%
SSE 3 mph
SSE 3 mph
Wednesday
9/9
9/9
93°
Mainly sunny skies and calm with highs around 93. Southerly winds around 5 mph.
13% S 2 mph
Sunrise: 7:19am Sunset: 7:56pm Moon: New Moon
13%
S 2 mph
S 2 mph
Next 36 Hours
5:00pm
97°
Mostly Sunny
ESE 3 mph
6:00pm
95°
Mostly Sunny
E 3 mph
7:00pm
92°
Sunny
ENE 2 mph
8:00pm
90°
Mostly Sunny
E 2 mph
9:00pm
85°
Clear
ESE 1 mph
10:00pm
83°
Mainly Clear
ESE 1 mph
11:00pm
81°
Mainly Clear
SE 0 mph
12:00am
81°
Partly Cloudy
N 0 mph
1:00am
79°
Mainly Clear
N 0 mph
2:00am
79°
Partly Cloudy
N 0 mph
3:00am
77°
Partly Cloudy
N 0 mph
4:00am
76°
Mainly Clear
N 0 mph
5:00am
76°
Mainly Clear
N 0 mph
6:00am
76°
Mainly Clear
N 0 mph
7:00am
74°
Sunny
N 0 mph
8:00am
76°
Sunny
SE 0 mph
9:00am
77°
Sunny
S 1 mph
10:00am
83°
Sunny
S 1 mph
11:00am
88°
Sunny
S 1 mph
12:00pm
90°
Sunny
S 1 mph
1:00pm
94°
Sunny
ESE 1 mph
2:00pm
95°
Mostly Sunny
E 2 mph
3:00pm
95°
Mostly Sunny
ESE 2 mph
4:00pm
97°
Clouds and Sun
E 2 mph
5:00pm
97°
Mostly Sunny
ESE 3 mph
6:00pm
95°
Mostly Sunny
E 2 mph
7:00pm
94°
Sunny
E 2 mph
8:00pm
92°
Mostly Sunny
ESE 2 mph
9:00pm
85°
Mainly Clear
SSE 1 mph
10:00pm
83°
Partly Cloudy
S 1 mph
11:00pm
83°
Mainly Clear
SSE 1 mph
12:00am
81°
Mainly Clear
N 0 mph
1:00am
79°
Mainly Clear
N 0 mph
2:00am
79°
Mainly Clear
N 0 mph
3:00am
77°
Clear
N 0 mph
4:00am
76°
Mainly Clear
N 0 mph
5:00am
76°
Mainly Clear
SSW 0 mph
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