Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

A Few Clouds

90°F

32°C

Humidity 52%
Wind Speed Calm
Barometer 29.97 in (1014.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 5 Sep 10:53 am CDT
Extended Forecast for

Celina TX

  • Today

    Today: Sunny and hot, with a high near 99. Heat index values as high as 105. South southwest wind around 5 mph becoming southeast in the afternoon.

    High: 99 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 78. South southeast wind 5 to 10 mph.

    Low: 78 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Heat index values as high as 104. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. East southeast wind around 5 mph becoming south southwest after midnight.

    Low: 78 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny and hot, with a high near 100. Light south wind becoming south southeast 5 to 10 mph in the afternoon.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 78. South southeast wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. South southeast wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 78. South southeast wind 5 to 10 mph.

    Low: 78 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. South wind around 5 mph.

    High: 99 °F

    Hot

Detailed Forecast

Today
Sunny and hot, with a high near 99. Heat index values as high as 105. South southwest wind around 5 mph becoming southeast in the afternoon.
Tonight
Clear, with a low around 78. South southeast wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 99. Heat index values as high as 104. Calm wind becoming east southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 78. East southeast wind around 5 mph becoming south southwest after midnight.
Labor Day
Sunny and hot, with a high near 100. Light south wind becoming south southeast 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 78. South southeast wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 100. South southeast wind 5 to 10 mph.
Tuesday Night
Clear, with a low around 78. South southeast wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 99. South wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Mostly clear, with a low around 78.
Friday
Sunny and hot, with a high near 99.
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ABOUT THIS FORECAST

 
Point Forecast:
Celina TX
 33.32°N 96.78°W (Elev. 682 ft)
6:06 am CDT Sep 5, 2026
11am CDT Sep 5, 2026-6pm CDT Sep 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database