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

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Heavy Rain Fog/Mist

68°F

20°C

Humidity 90%
Wind Speed SW 12 G 20 mph
Barometer 29.84 in (1010.2 mb)
Dewpoint 65°F (18°C)
Visibility 5.00 mi
Last update 2 Apr 4:53 am CDT
Extended Forecast for

Allen TX

  • Overnight

    Overnight: Showers and thunderstorms. Low around 66. South wind around 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    T-storms

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 7am. High near 85. South southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    T-storms then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 68. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 82. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 82 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms. Low around 57. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 57 °F

    T-storms
    Likely then
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rainfall. High near 69. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 69 °F

    Heavy Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49. North wind 5 to 10 mph.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 70. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50. North northeast wind 5 to 10 mph.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers and thunderstorms. Low around 66. South wind around 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms, mainly before 7am. High near 85. South southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly cloudy, with a low around 68. South wind around 15 mph, with gusts as high as 25 mph.
Friday
A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 82. South wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Showers and thunderstorms. Low around 57. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Saturday
Showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rainfall. High near 69. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday Night
Mostly cloudy, with a low around 49. North wind 5 to 10 mph.
Sunday
Mostly cloudy, with a high near 70. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 50. North northeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Allen TX
 33.12°N 96.67°W (Elev. 653 ft)
Last Update:
1:26 am CDT Apr 2, 2026
Forecast Valid:
5am CDT Apr 2, 2026-6pm CDT Apr 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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