Dangerous Heat and Possible Flooding
Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >
Hazardous Weather Conditions
Current conditions at
McKinney - McKinney National Airport (KTKI)
Lat: 33.18°NLon: 96.59°WElev: 584ft.
Fair
74°F
23°C
| Humidity | 76% |
| Wind Speed | N 3 mph |
| Barometer | 30.04 in (1016.6 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 28 Aug 6:53 am CDT |
Extended Forecast for
Allen TXSimilar City Names
Today
High: 100 °F
Hot
Tonight
Low: 76 °F
Clear
Saturday
High: 100 °F
Hot
Saturday Night
Low: 78 °F
Clear
Sunday
High: 101 °F
Hot
Sunday Night
Low: 79 °F
Clear
Monday
High: 100 °F
Hot
Monday Night
Low: 79 °F
Mostly Clear
Tuesday
High: 99 °F
Hot
Detailed Forecast
Today
Sunny and hot, with a high near 100. Calm wind becoming east northeast around 5 mph in the afternoon.
Tonight
Clear, with a low around 76. East wind 5 to 10 mph.
Saturday
Sunny and hot, with a high near 100. Southeast wind around 5 mph.
Saturday Night
Clear, with a low around 78. Southeast wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 101. South wind 5 to 10 mph.
Sunday Night
Clear, with a low around 79. South southeast wind around 10 mph.
Monday
Sunny and hot, with a high near 100. South wind around 10 mph.
Monday Night
Mostly clear, with a low around 79. South southeast wind around 10 mph.
Tuesday
Sunny and hot, with a high near 99. South wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 79.
Wednesday
Sunny and hot, with a high near 100.
Wednesday Night
Mostly clear, with a low around 79.
Thursday
Sunny and hot, with a high near 101.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Allen TXSimilar City Names
33.12°N 96.67°W (Elev. 653 ft)
33.12°N 96.67°W (Elev. 653 ft)
6:06 am CDT Aug 28, 2026
7am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
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