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.

Mostly Cloudy

68°F

20°C

Humidity 94%
Wind Speed Calm
Barometer 29.77 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 2 Aug 6:55 am CDT
Extended Forecast for

Rock Island TN

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 83. Calm wind becoming west southwest around 5 mph in the morning.

    High: 83 °F

    Patchy Fog
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 10am. Areas of fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 83. Calm wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers and
    Areas Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Patchy Fog

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 85. Calm wind. Chance of precipitation is 60%.

    High: 85 °F

    Chance
    Showers and
    Areas Fog
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A chance of thunderstorms before 7pm. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms and
    Patchy Fog
    then Areas
    Fog

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Slight Chance
    T-storms and
    Areas Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 89. Calm wind.

    High: 89 °F

    Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 83. Calm wind becoming west southwest around 5 mph in the morning.
Tonight
A chance of showers and thunderstorms. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, with thunderstorms also possible after 10am. Areas of fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 83. Calm wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 40%.
Monday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 68. Calm wind.
Tuesday
Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 85. Calm wind. Chance of precipitation is 60%.
Tuesday Night
A chance of thunderstorms before 7pm. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind.
Wednesday Night
Partly cloudy, with a low around 70. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 89. Calm wind.
Thursday Night
Partly cloudy, with a low around 72.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Saturday
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:
6:01 am CDT Aug 2, 2026
Forecast Valid:
7am CDT Aug 2, 2026-6pm CDT Aug 8, 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