Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

A Few Clouds

89°F

32°C

Humidity 61%
Wind Speed E 7 mph
Barometer 29.76 in (1007.0 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 18 Jun 7:53 pm CDT
Extended Forecast for

5 Miles NW Allen TX

Heat Advisory June 18, 08:26pm until June 18, 09:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory June 18, 08:26pm until June 18, 09:00pm

    NOW until 9:00pm Thu

    Heat Advisory

  • Tonight

    Low: 76 °F

    Mostly Cloudy
    then T-storms

  • Juneteenth

    Juneteenth: Showers and possibly a thunderstorm, mainly before 10am, then a chance of showers and thunderstorms after 10am.  High near 84. North northeast wind around 10 mph becoming east in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 84 °F

    T-storms then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 74. East wind 5 to 10 mph.  Chance of precipitation is 40%.

    Low: 74 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 90. Heat index values as high as 102. South southeast wind around 10 mph.

    High: 90 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: 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

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 78. South wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 78 °F

    Clear then
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 94. South wind around 15 mph, with gusts as high as 20 mph.

    High: 94 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms between 1am and 4am, then showers and possibly a thunderstorm after 4am. Low around 76. East southeast wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Showers and possibly a thunderstorm, mainly before 10am, then a chance of showers and thunderstorms after 10am. High near 84. North northeast wind around 10 mph becoming east in the afternoon. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. East wind 5 to 10 mph. Chance of precipitation is 40%.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Heat index values as high as 102. South southeast wind around 10 mph.
Saturday Night
Partly cloudy, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 95. South wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 78. South wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94. South wind around 15 mph, with gusts as high as 20 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. South wind 10 to 15 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 92.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Allen TX
 33.16°N 96.73°W (Elev. 673 ft)
6:06 pm CDT Jun 18, 2026
8pm CDT Jun 18, 2026-6pm CDT Jun 25, 2026
 
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