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 and Breezy

73°F

23°C

Humidity 64%
Wind Speed S 22 G 30 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 3 Mar 10:53 am CST
Extended Forecast for

Van Alstyne TX

  • Today

    Today: Sunny, with a high near 80. South wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 74. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Low around 63. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    T-storms then
    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 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

    Slight Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 78. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    High: 78 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 62. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 71. South wind around 10 mph becoming north in the afternoon. Chance of precipitation is 80%.

    High: 71 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 80. South wind 15 to 20 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 74. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Low around 63. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 20 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.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 78. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Friday Night
Showers and possibly a thunderstorm. Low around 62. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 71. South wind around 10 mph becoming north in the afternoon. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 54. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 69.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Monday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
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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:
5:13 am CST Mar 3, 2026
Forecast Valid:
11am CST Mar 3, 2026-6pm CDT Mar 9, 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