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Hazardous Weather Conditions
Current conditions at
McKinney - McKinney National Airport (KTKI)
Lat: 33.18°NLon: 96.59°WElev: 584ft.
Fair
94°F
34°C
| Humidity | 43% |
| Wind Speed | S 9 mph |
| Barometer | 30.20 in (1021.6 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 99°F (37°C) |
| Last update | 16 Sep 11:53 am CDT |
Extended Forecast for
Collin County Regional Airport TX
Heat Advisory September 16, 12:41pm until September 16, 08:00pm
NOW until 8:00pm Wed
Heat Advisory
This Afternoon
High: 99 °F
Hot
Tonight
Low: 78 °F
Mostly Clear
Thursday
High: 99 °F
Hot
Thursday Night
Low: 77 °F
Partly Cloudy
Friday
High: 99 °F
Hot
Friday Night
Low: 76 °F
Mostly Clear
Saturday
High: 100 °F
Hot
Saturday Night
Low: 75 °F
Mostly Clear
Detailed Forecast
This Afternoon
Sunny and hot, with a high near 99. Heat index values as high as 102. South southeast wind around 10 mph.
Tonight
Mostly clear, with a low around 78. Southeast wind 5 to 10 mph.
Thursday
Mostly sunny and hot, with a high near 99. Heat index values as high as 102. Southeast wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 77. East southeast wind around 5 mph.
Friday
Sunny and hot, with a high near 99. Light south wind increasing to 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 76. South southeast wind 5 to 10 mph.
Saturday
Sunny and hot, with a high near 100. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 75. South southeast wind around 10 mph.
Sunday
Sunny and hot, with a high near 99. South southwest wind around 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Collin County Regional Airport TX
33.17°N 96.59°W (Elev. 551 ft)
33.17°N 96.59°W (Elev. 551 ft)
12:07 pm CDT Sep 16, 2026
12pm CDT Sep 16, 2026-6pm CDT Sep 22, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
