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
79°F
26°C
| Humidity | 62% |
| Wind Speed | Calm |
| Barometer | 30.02 in (1015.6 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 28 Aug 12:53 am CDT |
Extended Forecast for
4 Miles W Farmersville TX
Overnight
Low: 75 °F
Clear
Friday
High: 99 °F
Hot
Friday Night
Low: 74 °F
Clear
Saturday
High: 99 °F
Hot
Saturday Night
Low: 76 °F
Mostly Clear
Sunday
High: 99 °F
Hot
Sunday Night
Low: 77 °F
Mostly Clear
Monday
High: 99 °F
Hot
Monday Night
Low: 77 °F
Mostly Clear
Detailed Forecast
Overnight
Clear, with a low around 75. East southeast wind around 5 mph becoming calm.
Friday
Sunny and hot, with a high near 99. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Clear, with a low around 74. East northeast wind around 5 mph.
Saturday
Sunny and hot, with a high near 99. Southeast wind around 5 mph.
Saturday Night
Mostly clear, with a low around 76. Southeast wind around 5 mph.
Sunday
Sunny and hot, with a high near 99. South wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 99. South wind around 10 mph.
Monday Night
Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 97.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Sunny, with a high near 98.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny and hot, with a high near 99.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles W Farmersville TX
33.17°N 96.43°W (Elev. 489 ft)
33.17°N 96.43°W (Elev. 489 ft)
1:26 am CDT Aug 28, 2026
1am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
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