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.

Mostly Cloudy

80°F

27°C

Humidity 74%
Wind Speed S 16 G 22 mph
Barometer 29.76 in (1007.2 mb)
Dewpoint 71°F (22°C)
Visibility 8.00 mi
Heat Index83°F (28°C)
Last update 27 Apr 9:53 am CDT
Extended Forecast for

Lucas TX

  • Today

    Today: Mostly sunny, with a high near 90. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 71. South wind around 10 mph.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Some of the storms could be severe. Mostly cloudy, with a high near 87. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Severe
    Thunderstorms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 7pm. Some of the storms could be severe. Partly cloudy, with a low around 63. South wind around 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: A slight chance of thunderstorms before 7am. Some of the storms could be severe. Mostly cloudy, with a high near 74. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.

    High: 74 °F

    Severe
    Thunderstorms
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 58. North northeast wind around 10 mph.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 70. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 70 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 54. East northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 54 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 1pm. High near 63. East wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 63 °F

    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 90. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 71. South wind around 10 mph.
Tuesday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Some of the storms could be severe. Mostly cloudy, with a high near 87. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely, mainly before 7pm. Some of the storms could be severe. Partly cloudy, with a low around 63. South wind around 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A slight chance of thunderstorms before 7am. Some of the storms could be severe. Mostly cloudy, with a high near 74. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 58. North northeast wind around 10 mph.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 70. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 54. East northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Friday
Showers, with thunderstorms also possible after 1pm. High near 63. East wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 51.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Lucas TX
 33.1°N 96.59°W (Elev. 597 ft)
Last Update:
6:07 am CDT Apr 27, 2026
Forecast Valid:
10am CDT Apr 27, 2026-6pm CDT May 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation