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Current Weather Conditions for Mckinney, TX

A slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 97. Heat index values as high as 104. South wind 5 to 10 mph.
97°F

Conditions

Wind: 5 mph S
Humidity: 42%
Probability of Precipitation: 4%

Hourly Forcast (next 12 hours)

6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM
97° 97° 97° 97° 97° 97° 96° 94° 90° 88° 86° 85° 84°

Upcoming Week

Day Forecast High Low
Independence Day
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 97. Heat index values as high as 104. South wind 5 to 10 mph.
99°F 88°F
Tonight
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 7pm. Partly cloudy. Low around 79, with temperatures rising to around 81 overnight. Heat index values as high as 101. South southeast wind 5 to 10 mph.
99°F 88°F
Sunday
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 98. Heat index values as high as 103. South southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
99°F 88°F
Sunday Night
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy. Low around 77, with temperatures rising to around 79 overnight. Heat index values as high as 101. Southeast wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
99°F 88°F
Monday
Mostly Sunny
Mostly sunny, with a high near 96. Southeast wind 0 to 10 mph.
99°F 88°F
Monday Night
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy. Low around 76, with temperatures rising to around 78 overnight. East southeast wind 0 to 10 mph. Chance of precipitation is 20%.
99°F 88°F
Tuesday
Mostly Sunny
Mostly sunny, with a high near 95. Southeast wind 0 to 10 mph.
99°F 88°F
Tuesday Night
Mostly Clear
Mostly clear, with a low around 78. Southeast wind 5 to 10 mph.
99°F 88°F
Wednesday
Sunny
Sunny, with a high near 99. South wind 5 to 10 mph.
99°F 88°F
Wednesday Night
Mostly Clear
Mostly clear, with a low around 81.
99°F 88°F
Thursday
Sunny
Sunny, with a high near 101.
99°F 88°F
Thursday Night
Mostly Clear
Mostly clear, with a low around 82.
99°F 88°F
Friday
Sunny
Sunny, with a high near 101.
99°F 88°F
Friday Night
Mostly Clear
Mostly clear, with a low around 81.
99°F 88°F
Data provided by weather.gov