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Severe Thunderstorms in the Upper Midwest; Heat Continues in the Southwest

Scattered severe thunderstorms may produce damaging winds, large hail, a tornado or two, and heavy rain across parts of the Upper Midwest, mainly this evening through Saturday. Very hot temperatures will continue through today across the Desert Southwest, which could break daily high temperature records. Read More >

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

93°F

34°C

Humidity 47%
Wind Speed S 12 mph
Barometer 30.02 in (1015.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 8 Aug 10:53 am CDT
Extended Forecast for

Mc Kinney TX

Heat Advisory August 8, 11:56am until August 8, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 8, 11:56am until August 8, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • Today

    High: 102 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. Heat index values as high as 111. South wind around 10 mph.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 97. South wind 5 to 10 mph.

    High: 97 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 96. South wind around 5 mph.

    High: 96 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. East southeast wind around 5 mph.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 102. Heat index values as high as 111. South wind around 10 mph.
Tonight
Mostly clear, with a low around 79. South wind 5 to 10 mph.
Saturday
Sunny and hot, with a high near 100. Heat index values as high as 111. South wind around 10 mph.
Saturday Night
Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.
Sunday
Sunny, with a high near 97. South wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 96. South wind around 5 mph.
Monday Night
Mostly clear, with a low around 76. East southeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 96. Calm wind becoming south southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny, with a high near 97.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Mostly sunny, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mc Kinney TX
 33.19°N 96.65°W (Elev. 545 ft)
Last Update:
5:24 am CDT Aug 8, 2025
Forecast Valid:
11am CDT Aug 8, 2025-6pm CDT Aug 14, 2025
 
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