Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

88°F

31°C

Humidity 48%
Wind Speed N 6 mph
Barometer 29.92 in (1012.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 26 Aug 9:53 pm CDT
Extended Forecast for

Celina TX

Heat Advisory August 26, 10:23pm until August 27, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 26, 10:23pm until August 27, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • Tonight

    Low: 77 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 99. Heat index values as high as 109. Northeast wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 76. East wind 5 to 10 mph.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 97. Heat index values as high as 106. East wind around 5 mph.

    High: 97 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

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

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 78. South southeast wind around 10 mph.

    Low: 78 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 98. South wind around 10 mph.

    High: 98 °F

    Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers before 1am. Mostly clear, with a low around 77. North wind around 5 mph.
Thursday
Mostly sunny and hot, with a high near 99. Heat index values as high as 109. Northeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 76. East wind 5 to 10 mph.
Friday
Sunny, with a high near 97. Heat index values as high as 106. East wind around 5 mph.
Friday Night
Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.
Saturday
Sunny and hot, with a high near 99. South wind around 5 mph.
Saturday Night
Clear, with a low around 78. South southeast wind around 10 mph.
Sunday
Sunny, with a high near 98. South wind around 10 mph.
Sunday Night
Clear, with a low around 77. South wind around 10 mph.
Monday
Sunny, with a high near 98.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny, with a high near 98.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
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)
9:26 pm CDT Aug 26, 2026
10pm CDT Aug 26, 2026-6pm CDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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