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.

A Few Clouds

79°F

26°C

Humidity 82%
Wind Speed NW 5 mph
Barometer 30.07 in (1017.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Aug 9:53 am EDT
Extended Forecast for

2 Miles NE Powells Crossroads TN

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm.  Sunny and hot, with a high near 91. Heat index values as high as 97. Calm wind.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Slight Chance
    T-storms then
    Clear

  • Monday

    Monday: Sunny and hot, with a high near 93. Heat index values as high as 102. Calm wind becoming north around 5 mph in the afternoon.

    High: 93 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92. Calm wind.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 91. Calm wind becoming northwest around 5 mph.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 86.

    High: 86 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 91. Heat index values as high as 97. Calm wind.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71. Calm wind.
Monday
Sunny and hot, with a high near 93. Heat index values as high as 102. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 70. Calm wind.
Tuesday
Sunny and hot, with a high near 92. Calm wind.
Tuesday Night
Mostly clear, with a low around 70. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 91. Calm wind becoming northwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 86.
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 83.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Powells Crossroads TN
 35.2°N 85.45°W (Elev. 1240 ft)
6:07 am CDT Aug 17, 2025
9am CDT Aug 17, 2025-6pm CDT Aug 23, 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