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Severe Storms and Flash Flooding in the Southern Plains

A slow moving storm system is expected to produce a multi-day heavy rainfall and flash flooding event across much of the Central to Southern Plains and Lower Mississippi Valley regions. Severe weather may produce large hail and high winds, but also a threat of tornadoes, across Texas and spreading on Wednesday into the Lower Mississippi, Tennessee and Ohio Valleys. Read More >

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

A Few Clouds

66°F

19°C

Humidity 84%
Wind Speed SE 12 G 24 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 24 May 12:53 am CDT
Extended Forecast for

Mc Kinney TX

  • Overnight

    Overnight: Showers and thunderstorms likely, mainly after 5am. Cloudy, with a low around 67. East southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely

    Low: 67 °F

  • Tuesday

    Tuesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 78. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    T-storms

    High: 78 °F

  • Tuesday
    Night

    Tuesday Night: Showers and thunderstorms, mainly before 2am. Some of the storms could produce heavy rainfall. Low around 62. South southeast wind 15 to 20 mph becoming west northwest in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain

    Low: 62 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 8am. Cloudy, then gradually becoming mostly sunny, with a high near 74. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Slight Chance
    T-storms

    High: 74 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 55. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 55 °F

  • Thursday

    Thursday: Sunny, with a high near 80. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Sunny

    High: 80 °F

  • Thursday
    Night

    Thursday Night: Clear, with a low around 61. West northwest wind 5 to 15 mph becoming south in the evening. Winds could gust as high as 20 mph.

    Clear

    Low: 61 °F

  • Friday

    Friday: Sunny, with a high near 87. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Sunny

    High: 87 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 67. South wind around 15 mph, with gusts as high as 20 mph.

    Mostly Clear

    Low: 67 °F

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly after 5am. Cloudy, with a low around 67. East southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 78. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Tuesday Night
Showers and thunderstorms, mainly before 2am. Some of the storms could produce heavy rainfall. Low around 62. South southeast wind 15 to 20 mph becoming west northwest in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
A 20 percent chance of showers and thunderstorms after 8am. Cloudy, then gradually becoming mostly sunny, with a high near 74. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 55. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 80. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Clear, with a low around 61. West northwest wind 5 to 15 mph becoming south in the evening. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 87. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 67. South wind around 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 71.
Memorial Day
Mostly sunny, with a high near 92. Breezy.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Mc Kinney TX
 33.21°N 96.65°W (Elev. 600 ft)
Last Update:
12:34 am CDT May 24, 2022
Forecast Valid:
1am CDT May 24, 2022-6pm CDT May 30, 2022
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation