Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

81°F

27°C

Humidity 58%
Wind Speed Calm
Barometer 30.18 in (1021.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 May 10:53 pm EDT
Extended Forecast for

Chattanooga, Lovell Field TN

  • Overnight

    Overnight: Partly cloudy, with a low around 67. South wind around 5 mph.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 89. South wind 5 to 10 mph.

    High: 89 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. South wind around 5 mph becoming calm  in the evening.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 70%.

    High: 88 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers.  Mostly cloudy, with a low around 65. Northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 85. Calm wind becoming south around 5 mph.  Chance of precipitation is 80%.

    High: 85 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am.  Low around 65. Calm wind.  Chance of precipitation is 80%.

    Low: 65 °F

    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 2am, then showers likely.  Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 67. South wind around 5 mph.
Tuesday
Partly sunny, with a high near 89. South wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 66. South wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 65. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Thursday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 85. Calm wind becoming south around 5 mph. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Low around 65. Calm wind. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Friday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 66. Chance of precipitation is 80%.
Saturday
Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Memorial Day
Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Chattanooga, Lovell Field TN
 35.02°N 85.19°W (Elev. 768 ft)
11:31 pm EDT May 18, 2026
12am EDT May 19, 2026-6pm EDT May 25, 2026
 
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Additional Resources

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National Digital Forecast Database