National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Weather, Excessive Rainfall and Heat Concerns This Weekend

Clusters of showers and strong to severe thunderstorms are expected across portions of the southern Plains today, then tracking into the Lower Mississippi Valley. The greatest hazards today will be from large hail and damaging wind gusts. Elsewhere, excessive rainfall and flooding concerns across portions of the Plains and Midwest today. Excessive heat continues across Puerto Rico this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

86°F

30°C

Humidity 55%
Wind Speed E 10 mph
Barometer 29.70 in (1005.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 10 Jun 3:53 pm CDT
Extended Forecast for

Mc Kinney TX

  • This
    Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe. Mostly sunny, with a high near 93. Heat index values as high as 97. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Severe
    Thunderstorms

    High: 93 °F

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 9pm. Some of the storms could be severe. Partly cloudy, with a low around 70. South southeast wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Severe
    Thunderstorms
    then Mostly
    Clear

    Low: 70 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 96. Heat index values as high as 100. South wind 5 to 10 mph becoming north in the afternoon.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 96 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 71. Northeast wind around 10 mph.

    Slight Chance
    T-storms

    Low: 71 °F

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90. East wind 10 to 15 mph, with gusts as high as 20 mph.

    Chance
    T-storms

    High: 90 °F

  • Monday
    Night

    Monday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Chance
    T-storms

    Low: 72 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95. South wind 15 to 20 mph, with gusts as high as 30 mph.

    Mostly Sunny

    High: 95 °F

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 73. South wind 15 to 20 mph, with gusts as high as 30 mph.

    Slight Chance
    T-storms

    Low: 73 °F

  • Wednesday

    Wednesday: Sunny, with a high near 97. South southeast wind around 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

    Sunny

    High: 97 °F

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe. Mostly sunny, with a high near 93. Heat index values as high as 97. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 9pm. Some of the storms could be severe. Partly cloudy, with a low around 70. South southeast wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 96. Heat index values as high as 100. South wind 5 to 10 mph becoming north in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 71. Northeast wind around 10 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90. East wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 95. South wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 73. South wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 97. South southeast wind around 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Mostly clear, with a low around 76.
Friday
Sunny and hot, with a high near 100.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Saturday
Mostly sunny and hot, with a high near 99.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Mc Kinney TX
 33.21°N 96.65°W (Elev. 600 ft)
Last Update:
4:29 pm CDT Jun 10, 2023
Forecast Valid:
4pm CDT Jun 10, 2023-6pm CDT Jun 17, 2023
 
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