Widespread Damaging Winds Likely in the Northern Plains; Heat Continues in the Central and Southeast U.S.

Severe thunderstorms, heavy rainfall, and flooding are possible from the northern Rockies into the Upper Midwest. A derecho is likely across portions of the northern Plains, with several gusts expected to exceed 75 mph. Extreme heat is expected to intensify across much of the Southeast and Tennessee Valley, continuing through much of this week. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

87°F

31°C

Humidity 65%
Wind Speed SW 10 mph
Barometer 30.21 in (1022.1 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 28 Jul 9:53 am CDT
Extended Forecast for

3 Miles SE Prosper TX

Heat Advisory July 28, 12:00pm until July 29, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny, with a high near 98. Heat index values as high as 105. South wind 5 to 10 mph.

    High: 98 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 78. South wind 5 to 10 mph.

    Low: 78 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. Heat index values as high as 105. Southwest wind around 5 mph.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 77. South southeast wind around 5 mph.

    Low: 77 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. Southwest wind around 5 mph.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. South southeast wind around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100. Southwest wind around 5 mph becoming north in the afternoon.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 76. East northeast wind 5 to 10 mph.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 96. Northeast wind 5 to 10 mph.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 98. Heat index values as high as 105. South wind 5 to 10 mph.
Tonight
Clear, with a low around 78. South wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 100. Heat index values as high as 105. Southwest wind around 5 mph.
Tuesday Night
Clear, with a low around 77. South southeast wind around 5 mph.
Wednesday
Sunny and hot, with a high near 101. Southwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 78. South southeast wind around 5 mph.
Thursday
Sunny and hot, with a high near 100. Southwest wind around 5 mph becoming north in the afternoon.
Thursday Night
Partly cloudy, with a low around 76. East northeast wind 5 to 10 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Northeast wind 5 to 10 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 74.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Prosper TX
 33.21°N 96.73°W (Elev. 699 ft)
7:46 am CDT Jul 28, 2025
10am CDT Jul 28, 2025-6pm CDT Aug 3, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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