Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

86°F

30°C

Humidity 53%
Wind Speed S 3 mph
Barometer 30.00 in (1015.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 27 Aug 12:53 pm EDT
Extended Forecast for

Lookout Mountain TN

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 2pm.  Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph.

    High: 87 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 11pm.  Mostly cloudy, with a low around 69. West wind around 5 mph.

    Low: 69 °F

    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 86. North wind around 5 mph becoming calm.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68. North wind around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 87. Northeast wind around 5 mph becoming east in the afternoon.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69. Southeast wind around 5 mph.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 87. South wind around 5 mph.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 88.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 69. West wind around 5 mph.
Friday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 86. North wind around 5 mph becoming calm.
Friday Night
Partly cloudy, with a low around 68. North wind around 5 mph.
Saturday
Sunny, with a high near 87. Northeast wind around 5 mph becoming east in the afternoon.
Saturday Night
Partly cloudy, with a low around 69. Southeast wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. South wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 70.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 71.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89.
Tuesday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Lookout Mountain TN
 34.99°N 85.36°W (Elev. 1834 ft)
1:06 pm EDT Aug 27, 2026
1pm EDT Aug 27, 2026-6pm EDT Sep 2, 2026
 
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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