Forecast — McKinney

National Weather Service forecast for McKinney’s own grid point, not a regional average.

Tonight77°F
Slight Chance Rain Showers then Mostly Clear
Wind 5 to 10 mph · 11% chance of precipitation

A slight chance of rain showers before 10pm. Mostly clear. Low around 77, with temperatures rising to around 79 overnight. Heat index values as high as 98. Southeast wind 5 to 10 mph.

Wednesday97°F
Sunny then Slight Chance Showers And Thunderstorms
Wind 5 to 10 mph · 14% chance of precipitation

A slight chance of showers and thunderstorms after 1pm. Sunny. High near 97, with temperatures falling to around 93 in the afternoon. Heat index values as high as 105. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.

Wednesday Night76°F
Chance Showers And Thunderstorms
Wind 5 to 10 mph · 43% chance of precipitation

A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Heat index values as high as 101. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday94°F
Chance Showers And Thunderstorms
Wind 10 mph · 41% chance of precipitation

A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Partly sunny. High near 94, with temperatures falling to around 84 in the afternoon. Heat index values as high as 101. South southeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night76°F
Slight Chance Showers And Thunderstorms then Mostly Clear
Wind 5 to 15 mph · 18% chance of precipitation

A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Friday97°F
Slight Chance Rain Showers
Wind 5 to 10 mph · 11% chance of precipitation

A slight chance of rain showers between 7am and 1pm. Sunny, with a high near 97. South wind 5 to 10 mph.

Friday Night77°F
Mostly Clear
Wind 5 to 10 mph · 4% chance of precipitation

Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.

Saturday99°F
Sunny
Wind 0 to 5 mph · 6% chance of precipitation

Sunny, with a high near 99. South wind 0 to 5 mph.

Issued by NWS office FWD. For warnings see active alerts.

More from McKinney

Local guides, business directory, and how to reach our readers.

McKinney GuideComplete McKinney GuideDemographics, schools, things to doLocal PicksBest Restaurants in McKinneyCurated picksLocal PicksBest Parks in McKinneyGreen spaces & trailsLocal PicksBest Breakfast in McKinneyLocal favoritesLocal PicksFamily-Friendly FavoritesThings to do with kidsNetworkAbout Nexcom MediaAbout our publisher