Summer Heat Continues; Severe Weather For Northeast

A large ridge of high pressure continues to deliver summer heat w/ humidity in several sections of the country. Excessive heat warnings and heat advisories are in effect across the Desert Southwest, southern Plains, Lower Mississippi Valley and a small part of the Mid-Atlantic. Meanwhile, severe thunderstorms are in the forecast for the Northeast into the northern Mid-Atlantic for damaging winds. Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Fair

26°C

79°F

Humidity 72%
Wind Speed S 9 km/h
Barometer 1017.6 mb (30.08 in)
Dewpoint 21°C (69°F)
Visibility 16 km
Heat Index28°C (82°F)
Last update 21 Aug 12:53 am EDT
Extended Forecast for

Decatur TN

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 22. Calm wind.

    Slight Chance
    T-storms

    Low: 22 °C

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 11am.  Partly sunny and hot, with a high near 32. Heat index values as high as 35. South wind 5 to 10 km/h.

    Chance
    T-storms

    High: 32 °C

  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before 5am.  Mostly cloudy, with a low around 22. South wind 5 to 10 km/h.

    Chance
    T-storms

    Low: 22 °C

  • Thursday

    Thursday: A chance of showers and thunderstorms before 11am, then a slight chance of thunderstorms between 11am and 2pm, then showers and thunderstorms likely after 2pm.  Partly sunny and hot, with a high near 33. Heat index values as high as 37. Southwest wind 5 to 10 km/h.  Chance of precipitation is 60%.

    T-storms
    Likely

    High: 33 °C

  • Thursday
    Night

    Thursday Night: Showers and thunderstorms likely.  Mostly cloudy, with a low around 22. Calm wind.  Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 22 °C

  • Friday

    Friday: Showers and thunderstorms likely.  Mostly cloudy and hot, with a high near 32. Chance of precipitation is 70%.

    T-storms
    Likely

    High: 32 °C

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely.  Mostly cloudy, with a low around 21. Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 21 °C

  • Saturday

    Saturday: Showers and thunderstorms likely.  Mostly cloudy, with a high near 31. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 31 °C

  • Saturday
    Night

    Saturday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 21.

    Chance
    T-storms

    Low: 21 °C

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 22. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny and hot, with a high near 32. Heat index values as high as 35. South wind 5 to 10 km/h.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 22. South wind 5 to 10 km/h.
Thursday
A chance of showers and thunderstorms before 11am, then a slight chance of thunderstorms between 11am and 2pm, then showers and thunderstorms likely after 2pm. Partly sunny and hot, with a high near 33. Heat index values as high as 37. Southwest wind 5 to 10 km/h. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Mostly cloudy and hot, with a high near 32. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 21.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 19.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 29.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 19.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 31.
Click Map For Forecast
Point Forecast:
Decatur TN
 35.52°N 84.79°W (Elev. 237 m)
9:46 pm EDT Aug 20, 2019
1am EDT Aug 21, 2019-6pm EDT Aug 27, 2019
 
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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