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 >

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Partly Cloudy

75°F

24°C

Humidity 94%
Wind Speed S 3 mph
Barometer 30.00 in (1014.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 18 Aug 3:53 am EDT
Extended Forecast for

4 Miles NE Jasper TN

  • Overnight

    Overnight: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 7am.  Otherwise, sunny and hot, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 90 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 94. Heat index values as high as 97. Calm wind.

    High: 94 °F

    Hot

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am.  Partly cloudy, with a low around 71. Calm wind.  Chance of precipitation is 20%.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 10am.  Mostly sunny and hot, with a high near 93. Calm wind becoming west around 5 mph.  Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 71. Calm wind.  Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 91. Chance of precipitation is 40%.

    High: 91 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am.  Partly cloudy, with a low around 68.

    Low: 68 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 71. Calm wind.
Tuesday
Patchy fog before 7am. Otherwise, sunny and hot, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 66. Calm wind.
Wednesday
Sunny and hot, with a high near 94. Heat index values as high as 97. Calm wind.
Wednesday Night
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.
Thursday
A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny and hot, with a high near 93. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 91. Chance of precipitation is 40%.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 68.
Saturday
Sunny and hot, with a high near 91.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Sunny and hot, with a high near 91.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny and hot, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Jasper TN
 35.11°N 85.57°W (Elev. 653 ft)
1:26 am CDT Aug 18, 2026
3am CDT Aug 18, 2026-6pm CDT 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