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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

93°F

34°C

Humidity 47%
Wind Speed N 10 mph
Barometer 30.01 in (1015.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 17 Aug 2:53 pm EDT
Extended Forecast for

3 Miles SSW Whiteside TN

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a steady temperature around 85. Calm wind.

    High: 85 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 70. North wind around 5 mph.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 91. Northeast wind around 5 mph.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. Northeast wind around 5 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 90. Northeast wind around 5 mph becoming calm.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. East wind around 5 mph becoming calm.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 90. Calm wind becoming northwest around 5 mph.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a steady temperature around 85. Calm wind.
Tonight
Mostly clear, with a low around 70. North wind around 5 mph.
Monday
Sunny and hot, with a high near 91. Northeast wind around 5 mph.
Monday Night
Mostly clear, with a low around 70. Northeast wind around 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 90. Northeast wind around 5 mph becoming calm.
Tuesday Night
Mostly clear, with a low around 70. East wind around 5 mph becoming calm.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 90. Calm wind becoming northwest around 5 mph.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 68.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Whiteside TN
 35.06°N 85.41°W (Elev. 633 ft)
Last Update:
12:32 pm CDT Aug 17, 2025
Forecast Valid:
2pm CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
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