Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Fair

77°F

25°C

Humidity 85%
Wind Speed S 8 mph
Barometer 29.86 in (1010.3 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 18 Jun 12:53 am EDT
Extended Forecast for

2 Miles S Whiteside TN

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 72. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 72 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10am.  High near 81. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am.  Mostly cloudy, with a low around 68. South wind around 5 mph becoming west after midnight.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Showers
    Likely

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am.  Partly sunny, with a high near 82. Northwest wind around 5 mph.  Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. North wind around 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 84. North wind around 5 mph becoming calm  in the morning.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 1pm.  Mostly sunny, with a high near 83. Chance of precipitation is 70%.

    High: 83 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 72. Southwest wind around 15 mph, with gusts as high as 25 mph.
Thursday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10am. High near 81. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 68. South wind around 5 mph becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 82. Northwest wind around 5 mph. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 64. North wind around 5 mph.
Saturday
Sunny, with a high near 84. North wind around 5 mph becoming calm in the morning.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 66. Calm wind.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Monday
Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 80%.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Whiteside TN
 35.06°N 85.41°W (Elev. 633 ft)
12:06 am CDT Jun 18, 2026
12am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
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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