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

Jackson County Airport (K24A)

Lat: 35.32°NLon: 83.21°WElev: 2857ft.

Fair

67°F

19°C

Humidity 96%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 18 Aug 11:55 pm EDT
Extended Forecast for

8 Miles S Cosby TN

  • Overnight

    Overnight: Partly cloudy, with a low around 56. Light west wind.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 69. North northwest wind 3 to 5 mph.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Calm wind becoming south southwest 5 to 7 mph in the evening.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Partly sunny, with a high near 69. West wind around 7 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am.  Partly cloudy, with a low around 58. Light and variable wind becoming south around 5 mph after midnight.  Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm.  High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 56. Light west wind.
Wednesday
Sunny, with a high near 69. North northwest wind 3 to 5 mph.
Wednesday Night
Mostly clear, with a low around 59. Calm wind becoming south southwest 5 to 7 mph in the evening.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 69. West wind around 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 58. Light and variable wind becoming south around 5 mph after midnight. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 67. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles S Cosby TN
 35.69°N 83.25°W (Elev. 5610 ft)
8:03 pm EDT Aug 18, 2026
12am EDT Aug 19, 2026-6pm EDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database