Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Current conditions at

Cleveland Regional Jetport (KRZR)

Lat: 35.21°NLon: 84.8°WElev: 860ft.

Fair

91°F

33°C

Humidity 63%
Wind Speed SE 5 mph
Barometer 29.95 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 5 Sep 11:55 am EDT
Extended Forecast for

Dayton TN

Heat Advisory September 5, 12:23pm until September 5, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 5, 12:23pm until September 5, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 97 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am.  Partly cloudy, with a low around 72. Calm wind.  Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm.  Patchy fog between 7am and 8am.  Otherwise, mostly sunny and hot, with a high near 94. Heat index values as high as 105. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 94 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. North wind around 5 mph becoming calm  after midnight.

    Low: 70 °F

    Mostly Clear

  • Labor Day

    Labor Day: A 40 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 90. Calm wind becoming southeast around 5 mph.

    High: 90 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 91 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers between 4pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.
Sunday
A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Patchy fog between 7am and 8am. Otherwise, mostly sunny and hot, with a high near 94. Heat index values as high as 105. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 70. North wind around 5 mph becoming calm after midnight.
Labor Day
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90. Calm wind becoming southeast around 5 mph.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 68. Calm wind.
Tuesday
Sunny and hot, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny and hot, with a high near 92.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny and hot, with a high near 93.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Friday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Dayton TN
 35.49°N 85.01°W (Elev. 699 ft)
11:01 am EDT Sep 5, 2026
12pm EDT Sep 5, 2026-6pm EDT Sep 11, 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