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

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Overcast

77°F

25°C

Humidity 88%
Wind Speed Calm
Barometer 30.06 in (1016.9 mb)
Dewpoint 73°F (23°C)
Visibility 8.00 mi
Heat Index78°F (26°C)
Last update 12 Aug 2:53 pm EDT
Extended Forecast for

3 Miles E Powells Crossroads TN

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm before 3pm, then showers and thunderstorms likely after 3pm. Some of the storms could produce heavy rainfall.  High near 79. Southeast wind around 5 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 8pm, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 69. Southeast wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Heavy Rain

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Some of the storms could produce heavy rainfall.  Partly sunny, with a high near 82. Southwest wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 4am, then a slight chance of showers. Some of the storms could produce heavy rainfall.  Low around 68. Calm wind.  Chance of precipitation is 80%.

    Low: 68 °F

    Heavy Rain
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers and thunderstorms likely after 10am.  Partly sunny, with a high near 84. Calm wind becoming west around 5 mph.  Chance of precipitation is 60%.

    High: 84 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 88. Calm wind.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

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

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 89.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 3pm, then showers and thunderstorms likely after 3pm. Some of the storms could produce heavy rainfall. High near 79. Southeast wind around 5 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 8pm, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 69. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 82. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms before 4am, then a slight chance of showers. Some of the storms could produce heavy rainfall. Low around 68. Calm wind. Chance of precipitation is 80%.
Thursday
A chance of showers, then showers and thunderstorms likely after 10am. Partly sunny, with a high near 84. Calm wind becoming west around 5 mph. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 68. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind.
Friday Night
Mostly clear, with a low around 68.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 69.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 69.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Powells Crossroads TN
 35.17°N 85.43°W (Elev. 1831 ft)
12:44 pm CDT Aug 12, 2025
2pm CDT Aug 12, 2025-6pm CDT Aug 18, 2025
 
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Additional Resources

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