Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Nacogdoches, A L Mangham Jr. Regional Airport (KOCH)

Lat: 31.58°NLon: 94.72°WElev: 354ft.

Fair

87°F

31°C

Humidity 53%
Wind Speed S 3 mph
Barometer 30.03 in (1017.0 mb)
Dewpoint 68°F (20°C)
Visibility NA
Heat Index90°F (32°C)
Last update 17 Aug 9:56 pm CDT
Extended Forecast for

Chireno TX

Heat Advisory August 17, 10:11pm until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 17, 10:11pm until August 19, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 103. Heat index values as high as 111. Calm wind becoming south around 5 mph in the afternoon.

    High: 103 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102. Heat index values as high as 114. Southwest wind around 5 mph.

    High: 102 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76. South wind around 5 mph.

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 76. South wind around 5 mph becoming calm after midnight.
Tuesday
Sunny and hot, with a high near 103. Heat index values as high as 111. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 77. South wind around 5 mph.
Wednesday
Sunny and hot, with a high near 102. Heat index values as high as 114. Southwest wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 76. South wind around 5 mph.
Thursday
Sunny and hot, with a high near 102.
Thursday Night
Mostly clear, with a low around 76.
Friday
Sunny and hot, with a high near 101.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 74.
Saturday
Sunny and hot, with a high near 102.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 101.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny and hot, with a high near 101.
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ABOUT THIS FORECAST

 
Point Forecast:
Chireno TX
 31.5°N 94.34°W (Elev. 249 ft)
6:30 pm CDT Aug 17, 2026
10pm CDT Aug 17, 2026-6pm CDT Aug 24, 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