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

Tyler, Tyler Pounds Field (KTYR)

Lat: 32.36°NLon: 95.4°WElev: 541ft.

Fair

84°F

29°C

Humidity 51%
Wind Speed S 8 mph
Barometer 30.04 in (1016.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 18 Aug 2:53 am CDT
Extended Forecast for

Winona TX

Heat Advisory August 18, 03:24am until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 03:24am until August 19, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Overnight

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 104. Heat index values as high as 109. Southwest wind around 5 mph.

    High: 104 °F

    Hot

  • Tuesday Night

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

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 103. Heat index values as high as 111. South wind 5 to 10 mph.

    High: 103 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Partly Cloudy

  • Thursday

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

    High: 103 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 79.

    Low: 79 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 102.

    High: 102 °F

    Hot

Detailed Forecast

Overnight
Mostly clear, with a low around 78. Southwest wind around 5 mph.
Tuesday
Sunny and hot, with a high near 104. Heat index values as high as 109. Southwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 79. South wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 103. Heat index values as high as 111. South wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 79. South wind 5 to 10 mph.
Thursday
Sunny and hot, with a high near 103.
Thursday Night
Partly cloudy, with a low around 79.
Friday
Mostly sunny and hot, with a high near 102.
Friday Night
Mostly clear, with a low around 76.
Saturday
Sunny and hot, with a high near 102.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 76.
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 102.
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ABOUT THIS FORECAST

 
Point Forecast:
Winona TX
 32.5°N 95.16°W (Elev. 341 ft)
1:40 am CDT Aug 18, 2026
3am CDT Aug 18, 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