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

58°F

14°C

Humidity 70%
Wind Speed N 9 mph
Barometer 30.11 in (1019.8 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 2 Mar 10:53 am CST
Extended Forecast for

Van Alstyne TX

  • Today

    Today: Partly sunny, with a high near 73. North northwest wind 5 to 10 mph becoming south southeast in the afternoon.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 81. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 81 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 64. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 77. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 77 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 63. South wind around 10 mph. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 78. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 65 °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

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Today
Partly sunny, with a high near 73. North northwest wind 5 to 10 mph becoming south southeast in the afternoon.
Tonight
Mostly cloudy, with a low around 61. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 81. South wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 64. South wind around 15 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 77. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 63. South wind around 10 mph. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 78. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. 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 59. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 70.
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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:
5:12 am CST Mar 2, 2026
Forecast Valid:
11am CST Mar 2, 2026-6pm CDT Mar 8, 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