Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

78°F

26°C

Humidity 79%
Wind Speed S 13 mph
Barometer 30.07 in (1017.6 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 11 Aug 7:53 am CDT
Extended Forecast for

Princeton TX

Heat Advisory August 11, 01:00pm until August 11, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny and hot, with a high near 99. Heat index values as high as 106. South wind around 10 mph, with gusts as high as 20 mph.

    High: 99 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 78. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100. Heat index values as high as 106. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 78. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100. South wind around 15 mph, with gusts as high as 25 mph.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 78. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. South wind around 15 mph, with gusts as high as 25 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 79. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 79 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. South wind around 10 mph, with gusts as high as 20 mph.

    High: 100 °F

    Hot

Detailed Forecast

Today
Sunny and hot, with a high near 99. Heat index values as high as 106. South wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 78. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 100. Heat index values as high as 106. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Clear, with a low around 78. South wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny and hot, with a high near 100. South wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
Clear, with a low around 78. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Sunny and hot, with a high near 100. South wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Clear, with a low around 79. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny and hot, with a high near 100. South wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 78.
Sunday
Sunny and hot, with a high near 100.
Sunday Night
Clear, with a low around 78.
Monday
Sunny and hot, with a high near 101.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Princeton TX
 33.17°N 96.51°W (Elev. 548 ft)
6:12 am CDT Aug 11, 2026
8am CDT Aug 11, 2026-6pm CDT Aug 17, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database