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Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

87°F

31°C

Humidity 53%
Wind Speed SE 6 mph
Barometer 29.89 in (1011.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 6 Sep 9:53 pm CDT
Extended Forecast for

Princeton TX

Heat Advisory September 6, 10:26pm until September 7, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 6, 10:26pm until September 7, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Tonight

    Low: 78 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny and hot, with a high near 100. Heat index values as high as 105. Light south southeast wind becoming 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 around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. Heat index values as high as 103. South wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Tuesday Night

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

    Low: 78 °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. South southeast wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Sunny, with a high near 98. South wind around 5 mph becoming east southeast in the afternoon.

    High: 98 °F

    Sunny then
    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 78. South wind around 5 mph becoming calm after midnight.
Labor Day
Sunny and hot, with a high near 100. Heat index values as high as 105. Light south southeast wind becoming southeast 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 78. South southeast wind around 5 mph.
Tuesday
Sunny and hot, with a high near 100. Heat index values as high as 103. South wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 78. South wind 5 to 10 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. South southeast wind 5 to 10 mph.
Thursday
A 20 percent chance of showers after 1pm. Sunny, with a high near 98. South wind around 5 mph becoming east southeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 77. Southeast wind around 5 mph.
Friday
Mostly sunny, with a high near 98.
Friday Night
Mostly clear, with a low around 77.
Saturday
Sunny, with a high near 98.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Mostly sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Princeton TX
 33.19°N 96.49°W (Elev. 545 ft)
Last Update:
6:11 pm CDT Sep 6, 2026
Forecast Valid:
10pm CDT Sep 6, 2026-6pm CDT Sep 13, 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