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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

79°F

26°C

Humidity 52%
Wind Speed SW 3 mph
Barometer 30.06 in (1017.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 Jun 12:53 pm EDT
Extended Forecast for

Lookout Mountain TN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 81. Calm wind.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 66. West wind around 5 mph.

    Low: 66 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: A chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 84. West wind around 5 mph becoming south in the morning. Chance of precipitation is 30%.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 71. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 71 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 81. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 81 °F

    Showers
    Likely and
    Breezy then
    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 69. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 69 °F

    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. West wind around 5 mph.

    High: 81 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 81. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 81. Calm wind.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 66. West wind around 5 mph.
Sunday
A chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 84. West wind around 5 mph becoming south in the morning. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 71. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Monday
Showers and possibly a thunderstorm. High near 81. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 69. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. West wind around 5 mph.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 81. Chance of precipitation is 40%.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 65.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Friday
A 30 percent chance of showers and thunderstorms. Mostly 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:
1:06 pm EDT Jun 20, 2026
Forecast Valid:
1pm EDT Jun 20, 2026-6pm EDT Jun 26, 2026
 
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