National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

93°F

34°C

Humidity 44%
Wind Speed Vrbl 3 mph
Barometer 30.04 in (1016.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 16 Aug 4:53 pm EDT
Extended Forecast for

Lookout Mountain TN

  • Tonight

    Tonight: Mostly clear, with a low around 71. North wind around 5 mph becoming southwest after midnight.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 90. Calm wind becoming north around 5 mph.

    High: 90 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. North wind around 5 mph.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. North wind around 5 mph becoming calm.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. Northeast wind around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 91. Northeast wind around 5 mph becoming calm.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 71. East wind around 5 mph becoming southwest after midnight.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 71. North wind around 5 mph becoming southwest after midnight.
Sunday
Sunny and hot, with a high near 90. Calm wind becoming north around 5 mph.
Sunday Night
Mostly clear, with a low around 70. North wind around 5 mph.
Monday
Sunny, with a high near 89. North wind around 5 mph becoming calm.
Monday Night
Mostly clear, with a low around 72. Northeast wind around 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 91. Northeast wind around 5 mph becoming calm.
Tuesday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 71. East wind around 5 mph becoming southwest after midnight.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lookout Mountain TN
 34.99°N 85.36°W (Elev. 1834 ft)
Last Update:
1:36 pm EDT Aug 16, 2025
Forecast Valid:
5pm EDT Aug 16, 2025-6pm EDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation