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

Cleveland Regional Jetport (KRZR)

Lat: 35.21°NLon: 84.8°WElev: 860ft.

Overcast

73°F

23°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.00 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 18 Aug 12:55 am EDT
Extended Forecast for

Dayton TN

  • Overnight

    Overnight: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 89 °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 93. Heat index values as high as 97. Calm wind.

    High: 93 °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 72. Calm wind.  Chance of precipitation is 20%.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am.  Partly sunny and hot, with a high near 91. Calm wind.  Chance of precipitation is 30%.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am.  Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 2pm.  Partly sunny and hot, with a high near 90.

    High: 90 °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 68.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 72. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. 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 93. Heat index values as high as 97. Calm wind.
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 72. Calm wind. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny and hot, with a high near 91. Calm wind. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 70. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny and hot, with a high near 90.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 68.
Saturday
A 20 percent chance of showers and thunderstorms after 8am. Mostly sunny and hot, with a high near 90.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Dayton TN
 35.51°N 85.01°W (Elev. 791 ft)
1:06 am EDT Aug 18, 2026
1am EDT Aug 18, 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