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

76°F

24°C

Humidity 33%
Wind Speed S 12 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 3 May 7:53 pm CDT
Extended Forecast for

Van Alstyne TX

  • Tonight

    Tonight: Mostly clear, with a low around 59. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. Breezy, with a south wind 15 to 25 mph, with gusts as high as 30 mph.

    High: 82 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Increasing clouds, with a low around 68. South wind around 20 mph, with gusts as high as 30 mph.

    Low: 68 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 88. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 88 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 59. West northwest wind 10 to 15 mph becoming north northeast in the evening. Winds could gust as high as 20 mph.

    Low: 59 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly cloudy, with a high near 77. North wind around 10 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50. North wind around 15 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70. North northeast wind 10 to 15 mph.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. East wind around 5 mph becoming south southeast after midnight.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 59. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 82. Breezy, with a south wind 15 to 25 mph, with gusts as high as 30 mph.
Monday Night
Increasing clouds, with a low around 68. South wind around 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly cloudy, with a high near 88. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 59. West northwest wind 10 to 15 mph becoming north northeast in the evening. Winds could gust as high as 20 mph.
Wednesday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly cloudy, with a high near 77. North wind around 10 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 50. North wind around 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 70. North northeast wind 10 to 15 mph.
Thursday Night
Partly cloudy, with a low around 53. East wind around 5 mph becoming south southeast after midnight.
Friday
Mostly sunny, with a high near 79.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
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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:
6:07 pm CDT May 3, 2026
Forecast Valid:
8pm CDT May 3, 2026-6pm CDT May 10, 2026
 
Forecast Discussion
 
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Additional Resources

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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