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.

A Few Clouds

65°F

18°C

Humidity 93%
Wind Speed SE 5 mph
Barometer 30.18 in (1021.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 11 Apr 2:53 am CDT
Extended Forecast for

Van Alstyne TX

  • Overnight

    Overnight: Partly cloudy, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 80 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 65. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 77. South wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 67. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 67 °F

    Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 82. South wind around 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. South wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 79 °F

    Cloudy then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 63. South wind around 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 65. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and possibly a thunderstorm. High near 77. South wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 67. South wind around 15 mph, with gusts as high as 25 mph.
Monday
Partly sunny, with a high near 82. South wind around 15 mph, with gusts as high as 25 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. South wind 15 to 20 mph, with gusts as high as 25 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 79.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 65.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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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:
1:26 am CDT Apr 11, 2026
Forecast Valid:
3am CDT Apr 11, 2026-6pm CDT Apr 17, 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