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Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

89°F

32°C

Humidity 50%
Wind Speed SE 8 mph
Barometer 29.95 in (1013.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 13 Sep 8:53 pm CDT
Extended Forecast for

Mc Kinney TX

Heat Advisory September 13, 09:07pm until September 14, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 13, 09:07pm until September 14, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Tonight

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 100. Heat index values as high as 103. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 79. South southeast wind 10 to 15 mph.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 79. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. South wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. Southeast wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 98. South wind 5 to 10 mph.

    High: 98 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 79. South wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 100. Heat index values as high as 103. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 79. South southeast wind 10 to 15 mph.
Tuesday
Sunny and hot, with a high near 100. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 79. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 99. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 78. Southeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 98. South wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 76. East southeast wind 5 to 10 mph becoming light south after midnight.
Friday
Sunny, with a high near 98.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny, with a high near 97.
Saturday Night
Mostly clear, with a low around 74.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mc Kinney TX
 33.21°N 96.65°W (Elev. 600 ft)
Last Update:
8:36 pm CDT Sep 13, 2026
Forecast Valid:
9pm CDT Sep 13, 2026-6pm CDT Sep 20, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation