Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Partly Cloudy

77°F

25°C

Humidity 82%
Wind Speed Vrbl 3 mph
Barometer 29.99 in (1014.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Aug 8:53 pm EDT
Extended Forecast for

2 Miles NW Ooltewah TN

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 11pm.  Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 91. Calm wind becoming north around 5 mph in the morning.

    High: 91 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. North wind around 5 mph becoming calm  in the evening.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 94. Heat index values as high as 97. Calm wind becoming north around 5 mph.

    High: 94 °F

    Hot

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am.  Mostly clear, with a low around 74. Calm wind.  Chance of precipitation is 20%.

    Low: 74 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am.  Mostly sunny and hot, with a high near 94. Calm wind becoming west around 5 mph.  Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 2am.  Mostly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm.

    Low: 72 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny and hot, with a high near 92.

    High: 92 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm.
Tuesday
Mostly sunny and hot, with a high near 91. Calm wind becoming north around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 68. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 94. Heat index values as high as 97. Calm wind becoming north around 5 mph.
Wednesday Night
A slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly clear, with a low around 74. Calm wind. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 94. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.
Thursday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 92.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 70.
Saturday
A 20 percent chance of showers and thunderstorms after 8am. Mostly sunny and hot, with a high near 92.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Sunny and hot, with a high near 91.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Ooltewah TN
 35.09°N 85.13°W (Elev. 817 ft)
8:11 pm EDT Aug 17, 2026
9pm EDT Aug 17, 2026-6pm EDT Aug 24, 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