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Hazardous Weather Conditions
Current conditions at
McKinney - McKinney National Airport (KTKI)
Lat: 33.18°NLon: 96.59°WElev: 584ft.
A Few Clouds
96°F
36°C
| Humidity | 40% |
| Wind Speed | S 8 mph |
| Barometer | 30.16 in (1020.5 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 101°F (38°C) |
| Last update | 17 Sep 2:53 pm CDT |
Extended Forecast for
3 Miles W Melissa TX
This Afternoon

High: 99 °F
Slight Chance
ShowersTonight

Low: 78 °F
Mostly Clear
Friday

High: 99 °F
Hot
Friday Night

Low: 75 °F
Clear
Saturday

High: 100 °F
Hot
Saturday Night

Low: 75 °F
Mostly Clear
Sunday

High: 99 °F
Hot
Sunday Night
Low: 76 °F
Partly Cloudy
then Slight
Chance
T-stormsMonday

High: 97 °F
Chance
T-storms
Detailed Forecast
This Afternoon
A 10 percent chance of showers after 4pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 103. Southeast wind around 5 mph.
Tonight
Mostly clear, with a low around 78. East southeast wind around 5 mph becoming calm after midnight.
Friday
Sunny and hot, with a high near 99. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Clear, with a low around 75. South southeast wind around 5 mph.
Saturday
Sunny and hot, with a high near 100. South wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.
Sunday
Mostly sunny and hot, with a high near 99. South wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. South southeast wind around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 97. South southwest wind around 5 mph.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 95.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles W Melissa TX
33.28°N 96.62°W (Elev. 597 ft)
33.28°N 96.62°W (Elev. 597 ft)
3:16 pm CDT Sep 17, 2026
3pm CDT Sep 17, 2026-6pm CDT Sep 23, 2026



