Heavy Rain Return to the Southwest U.S.; Potential Atlantic Tropical System Interaction

Heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding to the Desert Southwest into Sunday. The tropical wave (AL94) continues to bring heavy rainfall to Puerto Rico and the US Virgin Islands. The close proximity of Tropical Storm Humberto and AL94 could lead to interaction between them, but details of their track and intensity forecasts remain uncertain Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Fog/Mist

74°F

23°C

Humidity 88%
Wind Speed S 6 mph
Barometer 29.95 in (1013.5 mb)
Dewpoint 70°F (21°C)
Visibility 6.00 mi
Last update 25 Sep 9:53 am EDT
Extended Forecast for

3 Miles WSW Chattanooga TN

  • Today

    Today: Showers and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 81. West 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: 81 °F

    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 66. West wind around 5 mph becoming calm.

    Low: 66 °F

    Chance
    Showers then
    Patchy Fog

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 81. Calm wind becoming north around 5 mph.  Chance of precipitation is 30%.

    High: 81 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 64. North wind around 5 mph becoming calm.

    Low: 64 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 82. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 82 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 63. North wind around 5 mph becoming calm  in the evening.

    Low: 63 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. West 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.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 66. West wind around 5 mph becoming calm.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Calm wind becoming north around 5 mph. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. North wind around 5 mph becoming calm.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 63. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 84. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Chattanooga TN
 35.05°N 85.3°W (Elev. 633 ft)
7:06 am EDT Sep 25, 2025
10am EDT Sep 25, 2025-6pm EDT Oct 1, 2025
 
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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