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Hazardous Weather Conditions
Current conditions at
McKinney - McKinney National Airport (KTKI)
Lat: 33.18°NLon: 96.59°WElev: 584ft.
Fair
98°F
37°C
| Humidity | 34% |
| Wind Speed | SE 10 G 21 mph |
| Barometer | 30.12 in (1019.2 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 101°F (38°C) |
| Last update | 16 Sep 3:53 pm CDT |
Extended Forecast for
Van Alstyne TX
Heat Advisory September 16, 04:20pm until September 16, 08:00pm
NOW until 8:00pm Wed

Heat Advisory
Tonight

Low: 76 °F
Mostly Clear
Thursday

High: 97 °F
Mostly Sunny
Thursday Night

Low: 75 °F
Mostly Clear
Friday

High: 98 °F
Sunny
Friday Night

Low: 74 °F
Mostly Clear
Saturday

High: 98 °F
Sunny
Saturday Night

Low: 74 °F
Clear
Sunday

High: 97 °F
Sunny
Detailed Forecast
Tonight
Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 97. Heat index values as high as 102. South southeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 75. Southeast wind around 5 mph.
Friday
Sunny, with a high near 98. Light south southeast wind becoming south 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 74. South southeast wind around 5 mph.
Saturday
Sunny, with a high near 98. South wind 5 to 10 mph.
Saturday Night
Clear, with a low around 74. South wind 5 to 10 mph.
Sunday
Sunny, with a high near 97. South southwest wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 74. South southeast wind around 5 mph.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 92. Chance of precipitation is 40%.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 70.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 93.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Van Alstyne TX
33.42°N 96.57°W (Elev. 761 ft)
33.42°N 96.57°W (Elev. 761 ft)
1:26 pm CDT Sep 16, 2026
4pm CDT Sep 16, 2026-6pm CDT Sep 23, 2026



