Sunday Brings Heat Relief For Some; Flash Flood Threat Along Cold Front

A cold front shifting across the Central Plains, Midwest, Great Lakes and Northeast on Sunday will bring some relief from the heat with cooler and drier air. Excessive heat holds Sunday roughly south of I-70. Heavy rain from thunderstorms along the front may bring flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

A Few Clouds

77°F

25°C

Humidity 90%
Wind Speed SE 5 mph
Barometer 30.01 in (1015.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 21 Jul 12:53 am EDT
Extended Forecast for

Decatur TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 72. Calm wind.

    Mostly Cloudy

    Low: 72 °F

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly cloudy, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.

    Slight Chance
    Showers then
    Chance
    T-storms

    High: 87 °F

  • Sunday
    Night

    Sunday Night: Scattered showers and thunderstorms, mainly after 9pm.  Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 40%.

    Scattered
    Showers

    Low: 71 °F

  • Monday

    Monday: Scattered showers and thunderstorms, then periods of showers and possibly a thunderstorm after 1pm.  High near 85. Calm wind becoming southwest around 5 mph in the morning.  Chance of precipitation is 80%.

    Scattered
    T-storms then
    Showers

    High: 85 °F

  • Monday
    Night

    Monday Night: Periods of showers and possibly a thunderstorm.  Low around 69. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%.

    Showers

    Low: 69 °F

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am.  Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

    Showers
    Likely

    High: 81 °F

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 10pm.  Partly cloudy, with a low around 59.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 59 °F

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    Sunny

    High: 83 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 60.

    Mostly Clear

    Low: 60 °F

Detailed Forecast

Overnight
Mostly cloudy, with a low around 72. Calm wind.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Scattered showers and thunderstorms, mainly after 9pm. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Monday
Scattered showers and thunderstorms, then periods of showers and possibly a thunderstorm after 1pm. High near 85. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 80%.
Monday Night
Periods of showers and possibly a thunderstorm. Low around 69. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Tuesday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 66.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Click Map For Forecast
Point Forecast:
Decatur TN
 35.52°N 84.79°W (Elev. 778 ft)
9:21 pm EDT Jul 20, 2019
1am EDT Jul 21, 2019-6pm EDT Jul 27, 2019
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database