National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Fair

67°F

19°C

Humidity 91%
Wind Speed SE 3 mph
Barometer 29.97 in (1014.3 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 21 Jun 1:53 am EDT
Extended Forecast for

Chattanooga TN

  • Overnight

    Overnight: Clear, with a low around 66. Calm wind.

    Low: 66 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 72. South wind 5 to 10 mph.

    Low: 72 °F

    Mostly Clear
    then Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 5pm. High near 84. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 84 °F

    Chance
    T-storms then
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Low around 70. West wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 70 °F

    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. North wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68.

    Low: 68 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 66. Calm wind.
Sunday
Sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 72. South wind 5 to 10 mph.
Monday
Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 5pm. High near 84. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Monday Night
Showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Low around 70. West wind 5 to 10 mph. Chance of precipitation is 80%.
Tuesday
A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 66. North wind around 5 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 86.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chattanooga TN
 35.05°N 85.24°W (Elev. 833 ft)
Last Update:
2:26 am EDT Jun 21, 2026
Forecast Valid:
2am EDT Jun 21, 2026-6pm EDT Jun 27, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation