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

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Mostly Cloudy

88°F

31°C

Humidity 54%
Wind Speed S 6 mph
Barometer 29.97 in (1014.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 13 Jul 4:53 pm CDT
Extended Forecast for

Allen TX

Flood Watch July 13, 05:32pm until July 13, 07:00pm
Click here for hazard details and duration
...
  •  
    Flood Watch July 13, 05:32pm until July 13, 07:00pm

    NOW until 7:00pm Sun

    Flood Watch

  • Tonight

    Low: 73 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. South southwest wind 5 to 10 mph.

    High: 88 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 74. South wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 102. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 94. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 94 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96. South wind around 10 mph.

    High: 96 °F

    Sunny

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 73. South wind 5 to 10 mph.
Monday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. South southwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 74. South wind around 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 102. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 75. South wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 94. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 76. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 96. South wind around 10 mph.
Thursday Night
Mostly clear, with a low around 75. South wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 76.
Saturday
Mostly sunny, with a high near 96.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
Mostly sunny, with a high near 97.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Allen TX
 33.1°N 96.67°W (Elev. 656 ft)
Last Update:
5:25 pm CDT Jul 13, 2025
Forecast Valid:
5pm CDT Jul 13, 2025-6pm CDT Jul 20, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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