Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Severe Thunderstorms With Heavy Rain from Great Lakes to Mid-Atlantic; Excessive Heat For Central/Southern U.S. to Mid-Atlantic

Severe thunderstorms are possible today into Sunday across the upper Great Lakes region to the northern Mid-Atlantic. Damaging winds, large hail, and flooding will be the primary threats with these storms. Meanwhile, dangerous heat will continue through Sunday across the central and southern U.S. into the Mid-Atlantic. Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Partly Cloudy

94°F

34°C

Humidity 49%
Wind Speed SW 7 mph
Barometer 29.90 in (1011.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 22 Jul 6:53 pm EDT
Extended Forecast for

Chattanooga TN

  • Tonight

    Tonight: Isolated showers and thunderstorms before 9pm.  Partly cloudy, with a low around 76. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Isolated
    T-storms then
    Partly Cloudy

    Low: 76 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 3pm.  Mostly sunny and hot, with a high near 93. Heat index values as high as 102. Calm wind becoming southwest around 5 mph in the morning.

    Mostly Sunny
    then Chance
    T-storms

    High: 93 °F

  • Sunday
    Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 74. Southwest wind 5 to 10 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 74 °F

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 88. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    Chance
    T-storms

    High: 88 °F

  • Monday
    Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm  after midnight.

    Chance
    T-storms

    Low: 73 °F

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 87.

    Chance
    T-storms

    High: 87 °F

  • Tuesday
    Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before 9pm.  Mostly cloudy, with a low around 71.

    Chance
    T-storms

    Low: 71 °F

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 9am.  Mostly sunny, with a high near 89.

    Chance
    T-storms

    High: 89 °F

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly before 9pm.  Partly cloudy, with a low around 72.

    Chance
    T-storms then
    Slight Chance
    T-storms

    Low: 72 °F

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 9pm. Partly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 102. Calm wind becoming southwest around 5 mph in the morning.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southwest wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm after midnight.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 71.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 9am. Mostly sunny, with a high near 89.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 72.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 89.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Click Map For Forecast
Point Forecast:
Chattanooga TN
 35.07°N 85.27°W (Elev. 659 ft)
3:13 pm EDT Jul 22, 2017
7pm EDT Jul 22, 2017-6pm EDT Jul 29, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database