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.

Overcast

71°F

22°C

Humidity 90%
Wind Speed E 12 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 24 May 9:53 am CDT
Extended Forecast for

Van Alstyne TX

  • Today

    Today: Sunny, with a high near 82. Northeast wind around 5 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. Northeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 83. East northeast wind around 5 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. East wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 83. South wind around 5 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. Southeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 79. South southeast wind 5 to 10 mph. Chance of precipitation is 90%.

    High: 79 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. South southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. South southeast wind around 5 mph becoming north in the afternoon.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 82. Northeast wind around 5 mph.
Tonight
Mostly clear, with a low around 65. Northeast wind around 5 mph becoming calm in the evening.
Memorial Day
Sunny, with a high near 83. East northeast wind around 5 mph.
Monday Night
Mostly clear, with a low around 65. East wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 83. South wind around 5 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. Southeast wind around 5 mph. Chance of precipitation is 60%.
Wednesday
Showers and possibly a thunderstorm. High near 79. South southeast wind 5 to 10 mph. Chance of precipitation is 90%.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. South southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. South southeast wind around 5 mph becoming north in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Van Alstyne TX
 33.42°N 96.57°W (Elev. 761 ft)
Last Update:
6:12 am CDT May 24, 2026
Forecast Valid:
10am CDT May 24, 2026-6pm CDT May 30, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation