Lookout Mountain, TN Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Lookout Mountain, TN in one place.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Heat index values as high as 98. West wind 0 to 5 mph. Chance of precipitation is 50%.
Local Weather Overview
This forecast page for Lookout Mountain, TN is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 15, 2026 2:40 AM EDT.
The active forecast window currently covers Jul 16 to Jul 21, 2026 for Lookout Mountain, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 16 to Jul 21, 2026
- Latest sync
- Jul 15, 2026 2:40 AM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lookout Mountain
Monday looks like the warmest upcoming period in Lookout Mountain at 90 degrees F.
Thursday Night is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for Thursday at about 0 to 5 mph W.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 15, 2026 2:40 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- MRX
- Radar station
- KHTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. West wind 0 to 5 mph. Chance of precipitation is 50%.
A slight chance of rain showers between 8am and 11am, then showers and thunderstorms likely. Mostly sunny, with a high near 88. Northwest wind 0 to 5 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Partly cloudy, with a low around 72. Northwest wind 0 to 5 mph. Chance of precipitation is 70%.
A slight chance of rain showers before 8am, then showers and thunderstorms likely. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Showers and thunderstorms likely. Partly cloudy, with a low around 72. Chance of precipitation is 60%.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 16
|
Mostly Sunny then Chance Showers And Thunderstorms
|
88°F |
0 to 5 mph
W
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms then Partly Cloudy
|
72°F |
0 to 5 mph
W
|
|
Friday
Jul 17
|
Showers And Thunderstorms Likely
|
88°F |
0 to 5 mph
NW
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely
|
72°F |
0 to 5 mph
NW
|
|
Saturday
Jul 18
|
Showers And Thunderstorms Likely
|
88°F |
0 to 5 mph
W
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely
|
72°F |
0 to 5 mph
W
|
|
Sunday
Jul 19
|
Chance Showers And Thunderstorms
|
89°F |
0 to 5 mph
W
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms then Partly Cloudy
|
72°F |
0 to 5 mph
W
|
|
Monday
Jul 20
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
0 to 5 mph
W
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
73°F |
0 to 5 mph
SW
|
|
Tuesday
Jul 21
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
0 to 5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lookout Mountain.
