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

57°F

14°C

Humidity 69%
Wind Speed Calm
Barometer 30.11 in (1019.9 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 8 Apr 12:53 am CDT
Extended Forecast for

Van Alstyne TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 51. Calm wind becoming east southeast around 5 mph.

    Low: 51 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 76. East southeast wind 5 to 10 mph becoming south in the afternoon.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56. South southeast wind 5 to 10 mph.

    Low: 56 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 79. South southeast wind 5 to 15 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. South southeast wind around 10 mph.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79. South wind around 10 mph.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. South southeast wind 5 to 10 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 51. Calm wind becoming east southeast around 5 mph.
Wednesday
Sunny, with a high near 76. East southeast wind 5 to 10 mph becoming south in the afternoon.
Wednesday Night
Clear, with a low around 56. South southeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 79. South southeast wind 5 to 15 mph.
Thursday Night
Partly cloudy, with a low around 61. South southeast wind around 10 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79. South wind around 10 mph.
Friday Night
Partly cloudy, with a low around 61. South southeast wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 15 mph, with gusts as high as 25 mph.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
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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 8, 2026
Forecast Valid:
1am CDT Apr 8, 2026-6pm CDT Apr 14, 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