National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

79°F

26°C

Humidity 85%
Wind Speed Calm
Barometer 30.07 in (1017.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 23 Jun 10:53 pm CDT
Extended Forecast for

Lucas TX

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a steady temperature around 81. South wind around 10 mph.

    Low: 81 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94. Heat index values as high as 101. South wind around 10 mph.

    High: 94 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South wind around 10 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Heat index values as high as 97. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 95. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 95 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 96. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 96 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. South wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a steady temperature around 81. South wind around 10 mph.
Wednesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94. Heat index values as high as 101. South wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 77. South wind around 10 mph.
Thursday
Sunny, with a high near 94. Heat index values as high as 97. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 77. South wind around 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 95. South wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 75. South wind around 15 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 96. South wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 75. South wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 77.
Monday
Sunny, with a high near 98.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny, with a high near 98.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lucas TX
 33.12°N 96.57°W (Elev. 551 ft)
Last Update:
9:46 pm CDT Jun 23, 2026
Forecast Valid:
11pm CDT Jun 23, 2026-6pm CDT Jun 30, 2026
 
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Additional Resources

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Chance of Precipitation