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Current Weather Conditions for Mckinney, TX

Sunny, with a high near 100. Heat index values as high as 104. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
83°F

Conditions

Wind: 10 mph SSW
Humidity: 61%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

2 PM 3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM
83° 87° 91° 94° 96° 97° 99° 100° 100° 99° 97° 96° 92°

Upcoming Week

Day Forecast High Low
Today
Sunny
Sunny, with a high near 100. Heat index values as high as 104. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
100°F 83°F
Tonight
Mostly Clear
Mostly clear. Low around 79, with temperatures rising to around 81 overnight. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 25 mph.
100°F 83°F
Saturday
Sunny
Sunny, with a high near 98. Heat index values as high as 102. South wind around 10 mph.
100°F 83°F
Saturday Night
Mostly Clear
Mostly clear, with a low around 79. Heat index values as high as 101. South wind 5 to 10 mph.
100°F 83°F
Sunday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 7am. Mostly sunny. High near 95, with temperatures falling to around 92 in the afternoon. South southwest wind around 5 mph. Chance of precipitation is 40%.
100°F 83°F
Sunday Night
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy. Low around 75, with temperatures rising to around 77 overnight. South southeast wind 0 to 10 mph. Chance of precipitation is 60%.
100°F 83°F
Monday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 91. East wind 0 to 10 mph. Chance of precipitation is 50%.
100°F 83°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 74. Southeast wind 0 to 10 mph. Chance of precipitation is 30%.
100°F 83°F
Tuesday
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 91. East southeast wind 5 to 10 mph. Chance of precipitation is 30%.
100°F 83°F
Tuesday Night
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. Chance of precipitation is 20%.
100°F 83°F
Wednesday
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
100°F 83°F
Wednesday Night
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. Chance of precipitation is 20%.
100°F 83°F
Thursday
Mostly Sunny
Mostly sunny, with a high near 95.
100°F 83°F
Thursday Night
Mostly Clear
Mostly clear, with a low around 77.
100°F 83°F
Data provided by weather.gov