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Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

83°F

28°C

Humidity 57%
Wind Speed N 8 mph
Barometer 30.07 in (1017.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 20 Aug 10:53 am EDT
Extended Forecast for

3 Miles ESE Jasper TN

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 101. Calm wind becoming southeast around 5 mph.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly sunny, with a high near 88. Heat index values as high as 95. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 68. Northwest wind around 5 mph becoming calm.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. Northwest wind around 5 mph becoming calm.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 101. Calm wind becoming southeast around 5 mph.
Tonight
Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly sunny, with a high near 88. Heat index values as high as 95. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 68. Northwest wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 68. Northwest wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 64.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 67.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Jasper TN
 35.05°N 85.57°W (Elev. 896 ft)
Last Update:
7:16 am CDT Aug 20, 2026
Forecast Valid:
10am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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