Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Crossville, Crossville Memorial-Whitson Field Airport (KCSV)

Lat: 35.95°NLon: 85.09°WElev: 1880ft.

Fair

66°F

19°C

Humidity 93%
Wind Speed Calm
Barometer 30.10 in (1017.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 Aug 10:53 pm CDT
Extended Forecast for

3 Miles SSW Rockwood TN

  • Overnight

    Overnight: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am.  Otherwise, sunny and hot, with a high near 92. Heat index values as high as 98. Calm wind.

    High: 92 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

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

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms.  Partly sunny and hot, with a high near 90. Heat index values as high as 99. Calm wind.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 68. Calm wind.  Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 89. Calm wind.  Chance of precipitation is 60%.

    High: 89 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am.  Partly cloudy, with a low around 67. Calm wind.  Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 65. Calm wind.
Wednesday
Patchy fog before 9am. Otherwise, sunny and hot, with a high near 92. Heat index values as high as 98. Calm wind.
Wednesday Night
Partly cloudy, with a low around 69. Calm wind.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 90. Heat index values as high as 99. Calm wind.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 40%.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Calm wind. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 63.
Monday
Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Rockwood TN
 35.83°N 84.7°W (Elev. 807 ft)
7:06 pm EDT Aug 18, 2026
12am EDT Aug 19, 2026-6pm EDT Aug 25, 2026
 
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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