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Current Weather Conditions for Mckinney, TX

Sunny, with a high near 91. Heat index values as high as 100. South wind around 20 mph, with gusts as high as 30 mph.
91°F

Conditions

Wind: 20 mph S
Humidity: 56%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM 7 AM 8 AM 9 AM
91° 90° 89° 88° 86° 85° 84° 82° 81° 80° 79° 79° 77°

Upcoming Week

Day Forecast High Low
This Afternoon
Sunny
Sunny, with a high near 91. Heat index values as high as 100. South wind around 20 mph, with gusts as high as 30 mph.
91°F 80°F
Tonight
Mostly Clear
Mostly clear, with a low around 76. Heat index values as high as 97. South southeast wind 10 to 20 mph, with gusts as high as 25 mph.
91°F 80°F
Thursday
Mostly Sunny
Mostly sunny, with a high near 96. Heat index values as high as 107. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
91°F 80°F
Thursday Night
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 78. Heat index values as high as 106. East southeast wind 5 to 15 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
91°F 80°F
Juneteenth
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a high near 90. Southeast wind 5 to 15 mph. Chance of precipitation is 50%.
91°F 80°F
Friday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 76. Southeast wind 10 to 15 mph. Chance of precipitation is 60%.
91°F 80°F
Saturday
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 91. South wind 10 to 15 mph. Chance of precipitation is 60%.
91°F 80°F
Saturday Night
Chance Showers And Thunderstorms then Partly Cloudy
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
91°F 80°F
Sunday
Mostly Sunny
Mostly sunny, with a high near 95. South southwest wind 15 to 20 mph, with gusts as high as 35 mph.
91°F 80°F
Sunday Night
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 79. Chance of precipitation is 20%.
91°F 80°F
Monday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
91°F 80°F
Monday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 40%.
91°F 80°F
Tuesday
Slight Chance Showers And Thunderstorms
A chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 92. Chance of precipitation is 40%.
91°F 80°F
Tuesday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
91°F 80°F
Data provided by weather.gov