Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Current conditions at

Cleveland Regional Jetport (KRZR)

Lat: 35.21°NLon: 84.8°WElev: 860ft.

Fog/Mist

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 29.81 in
Dewpoint 73°F (23°C)
Visibility 6.00 mi
Last update 29 Jul 7:55 am EDT
Extended Forecast for

Dayton TN

  • Today

    Today: Sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind becoming north around 5 mph in the afternoon.

    High: 90 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 66. North wind around 5 mph becoming calm.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Northeast wind around 5 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 88. Calm wind.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am.  Mostly cloudy, with a high near 84. Light south wind increasing to 5 to 10 mph in the afternoon.  Chance of precipitation is 70%.

    High: 84 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers.  Mostly cloudy, with a low around 69. Chance of precipitation is 70%.

    Low: 69 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 66. North wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 86. Northeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 64. Calm wind.
Friday
Mostly sunny, with a high near 88. Calm wind.
Friday Night
A 20 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. Calm wind.
Saturday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 84. Light south wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Sunday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Dayton TN
 35.51°N 85.01°W (Elev. 791 ft)
7:06 am EDT Jul 29, 2026
8am EDT Jul 29, 2026-6pm EDT Aug 4, 2026
 
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Additional Resources

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