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Current Weather Conditions for Mckinney, TX

Sunny, with a high near 98. Heat index values as high as 103. South wind around 10 mph.
88°F

Conditions

Wind: 10 mph SSW
Humidity: 55%
Probability of Precipitation: 1%

Hourly Forcast (next 12 hours)

3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM
88° 91° 93° 95° 96° 97° 97° 98° 97° 96° 94° 90° 88°

Upcoming Week

Day Forecast High Low
Today
Sunny
Sunny, with a high near 98. Heat index values as high as 103. South wind around 10 mph.
98°F 88°F
Tonight
Mostly Clear
Mostly clear. Low around 78, with temperatures rising to around 80 overnight. Heat index values as high as 101. South wind 5 to 10 mph.
98°F 88°F
Sunday
Chance Showers And Thunderstorms
A slight chance of rain showers between 10am and 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 96. Heat index values as high as 105. South southwest wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
98°F 88°F
Sunday Night
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy. Low around 75, with temperatures rising to around 77 overnight. Heat index values as high as 101. Southeast wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
98°F 88°F
Monday
Slight Chance Showers And Thunderstorms
A chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. East wind 0 to 5 mph. Chance of precipitation is 40%.
98°F 88°F
Monday Night
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 1am. Partly cloudy. Low around 74, with temperatures rising to around 76 overnight. South southeast wind 0 to 5 mph. Chance of precipitation is 20%.
98°F 88°F
Tuesday
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Southeast wind 0 to 10 mph. Chance of precipitation is 20%.
98°F 88°F
Tuesday Night
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. South wind 0 to 10 mph. Chance of precipitation is 20%.
98°F 88°F
Wednesday
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. South southwest wind around 5 mph. Chance of precipitation is 20%.
98°F 88°F
Wednesday Night
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. Chance of precipitation is 20%.
98°F 88°F
Thursday
Mostly Sunny
Mostly sunny, with a high near 96.
98°F 88°F
Thursday Night
Mostly Clear
Mostly clear, with a low around 78.
98°F 88°F
Friday
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 98. Chance of precipitation is 20%.
98°F 88°F
Friday Night
Slight Chance Showers And Thunderstorms then Mostly Clear
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 79. Chance of precipitation is 20%.
98°F 88°F
Data provided by weather.gov