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

McMinnville Warren County Memorial Airport (KRNC)

Lat: 35.7°NLon: 85.84°WElev: 1033ft.

Fog/Mist

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 70°F (21°C)
Visibility 6.00 mi
Last update 5 Aug 6:35 am CDT
Extended Forecast for

Rock Island TN

  • Today

    Today: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 87. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Patchy Fog
    then Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers before 7pm. Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 88. Heat index values as high as 98. Calm wind.

    High: 88 °F

    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 60%.

    High: 89 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 88. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 70%.

    High: 88 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind.

    High: 89 °F

    Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 87. Calm wind. 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 before 7pm. Partly cloudy, with a low around 70. Calm wind.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 88. Heat index values as high as 98. Calm wind.
Thursday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 71. Calm wind.
Friday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 71. Calm wind.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 88. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Calm wind.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind.
Sunday Night
Partly cloudy, with a low around 72.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Rock Island TN
 35.72°N 85.6°W (Elev. 853 ft)
Last Update:
4:51 am CDT Aug 5, 2026
Forecast Valid:
6am CDT Aug 5, 2026-6pm CDT Aug 11, 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