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Hazardous Weather Conditions
Current conditions at
McKinney - McKinney National Airport (KTKI)
Lat: 33.18°NLon: 96.59°WElev: 584ft.
Fair
89°F
32°C
| Humidity | 55% |
| Wind Speed | S 10 mph |
| Barometer | 29.94 in (1013.0 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 95°F (35°C) |
| Last update | 7 Sep 10:53 pm CDT |
Extended Forecast for
Mc Kinney TX
Heat Advisory September 7, 11:50pm until September 8, 08:00pm
NOW until 8:00pm Tue

Heat Advisory
Tonight

Low: 80 °F
Mostly Clear
Tuesday
High: 100 °F
Sunny then
Slight Chance
T-stormsTuesday Night

Low: 79 °F
Mostly Clear
Wednesday

High: 101 °F
Hot
Wednesday Night

Low: 79 °F
Mostly Clear
Thursday

High: 98 °F
Sunny
Thursday Night

Low: 78 °F
Partly Cloudy
Friday

High: 99 °F
Hot
Detailed Forecast
Tonight
Mostly clear, with a low around 80. South southeast wind around 5 mph.
Tuesday
A 10 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 100. Heat index values as high as 106. South southeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 79. South southeast wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 101. Heat index values as high as 106. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 79. South southeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 98. South wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 78. East southeast wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 99. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 78. South southeast wind around 10 mph.
Saturday
Sunny and hot, with a high near 100.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny, with a high near 98.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny, with a high near 97.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mc Kinney TX
33.21°N 96.68°W (Elev. 554 ft)
33.21°N 96.68°W (Elev. 554 ft)
6:11 pm CDT Sep 7, 2026
11pm CDT Sep 7, 2026-6pm CDT Sep 14, 2026



