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Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

75°F

24°C

Humidity 84%
Wind Speed Calm
Barometer 30.04 in (1016.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 30 Jul 5:53 am CDT
Extended Forecast for

Allen TXSimilar City Names

Heat Advisory July 30, 06:43am until July 30, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 30, 06:43am until July 30, 07:00pm

    NOW until 7:00pm Wed

    Heat Advisory

  • Today

    High: 102 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 79. South wind around 5 mph.

    Low: 79 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 103. Heat index values as high as 107. South southwest wind around 5 mph becoming west in the afternoon.

    High: 103 °F

    Hot

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 77. East northeast wind around 5 mph.

    Low: 77 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 96. North northeast wind 5 to 10 mph.

    High: 96 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Northeast wind 5 to 10 mph.

    Low: 73 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 91. Northeast wind around 5 mph.

    High: 91 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74. East wind 5 to 10 mph.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny and hot, with a high near 102. Heat index values as high as 107. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 79. South wind around 5 mph.
Thursday
Mostly sunny and hot, with a high near 103. Heat index values as high as 107. South southwest wind around 5 mph becoming west in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 77. East northeast wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 96. North northeast wind 5 to 10 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Northeast wind 5 to 10 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 91. Northeast wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 74. East wind 5 to 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Southeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 76.
Monday
Mostly sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Allen TXSimilar City Names
 33.12°N 96.67°W (Elev. 653 ft)
Last Update:
5:24 am CDT Jul 30, 2025
Forecast Valid:
6am CDT Jul 30, 2025-6pm CDT Aug 5, 2025
 
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