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Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

74°F

23°C

Humidity 91%
Wind Speed Calm
Barometer 30.05 in (1016.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 30 Jul 6:53 am CDT
Extended Forecast for

Van Alstyne TX

Heat Advisory July 30, 07:04am until July 30, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 30, 07:04am until July 30, 07:00pm

    NOW until 7:00pm Wed

    Heat Advisory

  • Today

    High: 101 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 78. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 78 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 101. Heat index values as high as 104. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 101 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 10pm.  Mostly cloudy, with a low around 74. Northeast wind around 5 mph.

    Low: 74 °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 93. North northeast wind 5 to 10 mph.

    High: 93 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 71. Northeast wind 5 to 10 mph.

    Low: 71 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 88. East northeast wind around 5 mph.

    High: 88 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. East wind around 5 mph.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny and hot, with a high near 101. Heat index values as high as 106. Calm wind becoming west southwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 78. Southeast wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 101. Heat index values as high as 104. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 74. Northeast wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. North northeast wind 5 to 10 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 71. Northeast wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. East northeast wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 71. East wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Southeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 74.
Monday
Mostly sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny, with a high near 95.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Van Alstyne TX
 33.42°N 96.57°W (Elev. 761 ft)
5:24 am CDT Jul 30, 2025
7am CDT Jul 30, 2025-6pm CDT Aug 5, 2025
 
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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