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

Severe Thunderstorms and Heavy Rain in the Central Plains to Upper Midwest; Extreme Heat in Parts of the South

Thunderstorms with severe wind gusts and hail will be possible today across parts of the central Plains, and from the Missouri Valley into the upper Mississippi Valley. Heavy rain associated with the thunderstorms may also produce flash/urban flooding. Critical fire weather conditions expected in the Great Basin and interior Northwest. Dangerous heat continues across the Southwest and Southeast. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

93°F

34°C

Humidity 49%
Wind Speed S 7 mph
Barometer 30.06 in (1017.2 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 8 Jul 11:53 am CDT
Extended Forecast for

2 Miles ESE Allen TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 98. Heat index values as high as 103. South wind 5 to 10 mph.

    High: 98 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 79. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99. Heat index values as high as 102. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 78. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 98. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 98 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 79. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97. South southwest wind around 10 mph.

    High: 97 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 77. South southeast wind around 10 mph.

    Low: 77 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 97. South southwest wind 5 to 10 mph.

    High: 97 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 98. Heat index values as high as 103. South wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 79. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny and hot, with a high near 99. Heat index values as high as 102. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Clear, with a low around 78. South wind around 15 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 98. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 79. South wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 97. South southwest wind around 10 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 77. South southeast wind around 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 97. South southwest wind 5 to 10 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 78.
Tuesday
Sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Allen TX
 33.1°N 96.65°W (Elev. 633 ft)
Last Update:
6:06 am CDT Jul 8, 2026
Forecast Valid:
12pm CDT Jul 8, 2026-6pm CDT Jul 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation