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

Jacksonville, Cherokee County Airport (KJSO)

Lat: 31.87°NLon: 95.22°WElev: 676ft.

Fair

85°F

29°C

Humidity 59%
Wind Speed S 7 mph
Barometer 29.96 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 18 Aug 11:35 pm CDT
Extended Forecast for

Jacksonville TX

Heat Advisory August 18, 11:39pm until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 11:39pm until August 19, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 79 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 102. Heat index values as high as 107. Southwest wind around 10 mph.

    High: 102 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 79. South wind around 10 mph.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 103. Heat index values as high as 109. Southwest wind 5 to 10 mph.

    High: 103 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 103.

    High: 103 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 103.

    High: 103 °F

    Hot

Detailed Forecast

Tonight
Partly cloudy, with a low around 79. Southwest wind 5 to 10 mph.
Wednesday
Mostly sunny and hot, with a high near 102. Heat index values as high as 107. Southwest wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 79. South wind around 10 mph.
Thursday
Sunny and hot, with a high near 103. Heat index values as high as 109. Southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 79. South wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 103.
Friday Night
Partly cloudy, with a low around 77.
Saturday
Sunny and hot, with a high near 103.
Saturday Night
Mostly clear, with a low around 78.
Sunday
Sunny and hot, with a high near 103.
Sunday Night
Mostly clear, with a low around 78.
Monday
Sunny and hot, with a high near 103.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny and hot, with a high near 102.
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville TX
 31.95°N 95.27°W (Elev. 499 ft)
6:30 pm CDT Aug 18, 2026
11pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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