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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

92°F

33°C

Humidity 46%
Wind Speed NW 10 mph
Barometer 30.09 in (1017.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 15 Aug 3:53 pm EDT
Extended Forecast for

5 Miles E Rockford TN

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 92. Heat index values as high as 99. North wind around 5 mph.

    High: 92 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, sunny and hot, with a high near 93. Heat index values as high as 96. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 93 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 92. Calm wind becoming north around 5 mph.

    High: 92 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 94. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 94 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 92. Heat index values as high as 99. North wind around 5 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 70. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, sunny and hot, with a high near 93. Heat index values as high as 96. Calm wind becoming northeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 71. Calm wind.
Sunday
Sunny and hot, with a high near 92. Calm wind becoming north around 5 mph.
Sunday Night
Mostly clear, with a low around 71. Calm wind.
Monday
Sunny and hot, with a high near 94. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny and hot, with a high near 95.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 2am. Mostly clear, with a low around 72.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Thursday
A 40 percent chance of showers and thunderstorms. 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 chance of showers and thunderstorms. Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Rockford TN
 35.84°N 83.84°W (Elev. 932 ft)
Last Update:
1:43 pm EDT Aug 15, 2025
Forecast Valid:
4pm EDT Aug 15, 2025-6pm EDT Aug 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation