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Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

96°F

36°C

Humidity 37%
Wind Speed SW 10 mph
Barometer 30.03 in (1015.9 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 25 Jul 2:53 pm CDT
Extended Forecast for

4 Miles NNE Princeton TX

Heat Advisory July 26, 12:00pm until July 26, 08:00pm
Heat Advisory July 25, 03:21pm until July 25, 08:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory July 25, 03:21pm until July 25, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 98 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 79. South wind around 10 mph.

    Low: 79 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. Heat index values as high as 110. Southwest wind around 10 mph.

    High: 100 °F

    Hot

  • Sunday Night

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

    Low: 78 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 101. South southwest wind around 10 mph.

    High: 101 °F

    Hot

  • Monday Night

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

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102. South southwest wind around 10 mph.

    High: 102 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 80. South wind 5 to 10 mph.

    Low: 80 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 98. Heat index values as high as 109. South wind around 10 mph.
Tonight
Mostly clear, with a low around 79. South wind around 10 mph.
Sunday
Sunny and hot, with a high near 100. Heat index values as high as 110. Southwest wind around 10 mph.
Sunday Night
Clear, with a low around 78. South wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 101. South southwest wind around 10 mph.
Monday Night
Mostly clear, with a low around 79. South wind around 10 mph.
Tuesday
Sunny and hot, with a high near 102. South southwest wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 80. South wind 5 to 10 mph.
Wednesday
Mostly sunny and hot, with a high near 102. South southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 80.
Thursday
Mostly sunny and hot, with a high near 101.
Thursday Night
Mostly clear, with a low around 79.
Friday
Mostly sunny and hot, with a high near 101.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Princeton TX
 33.26°N 96.49°W (Elev. 554 ft)
Last Update:
1:26 pm CDT Jul 25, 2026
Forecast Valid:
3pm CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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