Heavy Rain in the Appalachians and Central Gulf Coast; Heat Continues in the West; Monitoring the Tropics

Heavy to excessive rainfall over the southern Appalachians and portions of the central Gulf Coast may bring areas of flooding today. Hot temperatures are in place through today across much of the western U.S. and New England. Tropical Storm Erin is forecast to become a Major Hurricane this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Current conditions at

Cleveland Regional Jetport (KRZR)

Lat: 35.21°NLon: 84.8°WElev: 860ft.

Fog/Mist

79°F

26°C

Humidity 100%
Wind Speed SW 7 mph
Barometer 30.03 in
Dewpoint 79°F (26°C)
Visibility 3.00 mi
Heat Index84°F (29°C)
Last update 12 Aug 3:15 pm EDT
Extended Forecast for

5 Miles NNW McDonald TN

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm before 4pm, then showers and thunderstorms likely after 4pm. Some of the storms could produce heavy rainfall.  Steady temperature around 78. South wind around 10 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 9pm, then showers likely and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 71. South wind around 5 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Heavy Rain

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall.  Partly sunny, with a high near 85. South wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 5am, then a slight chance of showers. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm.  Chance of precipitation is 60%.

    Low: 71 °F

    Heavy Rain

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Partly sunny, with a high near 87. Calm wind.  Chance of precipitation is 50%.

    High: 87 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 90. Calm wind.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 92.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 4pm, then showers and thunderstorms likely after 4pm. Some of the storms could produce heavy rainfall. Steady temperature around 78. South wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 9pm, then showers likely and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 85. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely before 5am, then a slight chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 87. Calm wind. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90. Calm wind.
Friday Night
Mostly clear, with a low around 71.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 92.
Saturday Night
Mostly clear, with a low around 72.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 91.
Sunday Night
Mostly clear, with a low around 72.
Monday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW McDonald TN
 35.17°N 85.01°W (Elev. 1010 ft)
1:44 pm EDT Aug 12, 2025
3pm EDT Aug 12, 2025-6pm EDT Aug 18, 2025
 
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Additional Resources

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