Air Quality Concerns; Fire Weather in the West; Flash Flooding in the Southeast

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Severe thunderstorms continue across the Northern Plains Read More >

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

72°F

22°C

Humidity 97%
Wind Speed Calm
Barometer 30.06 in (1017.5 mb)
Dewpoint 71°F (22°C)
Visibility 7.00 mi
Last update 5 Aug 4:53 am CDT
Extended Forecast for

Prosper TX

  • Today

    Today: Sunny, with a high near 94. Heat index values as high as 99. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 74. Southeast wind around 5 mph.

    Low: 74 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. Heat index values as high as 103. South wind around 5 mph.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 76. South southeast wind 5 to 10 mph.

    Low: 76 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 98. South wind around 5 mph.

    High: 98 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. South southeast wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. South wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 78. South southeast wind around 10 mph.

    Low: 78 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 98. South wind around 10 mph.

    High: 98 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 94. Heat index values as high as 99. Calm wind becoming east southeast around 5 mph in the afternoon.
Tonight
Clear, with a low around 74. Southeast wind around 5 mph.
Wednesday
Sunny, with a high near 96. Heat index values as high as 103. South wind around 5 mph.
Wednesday Night
Clear, with a low around 76. South southeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 98. South wind around 5 mph.
Thursday Night
Mostly clear, with a low around 78. South southeast wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 99. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 78. South southeast wind around 10 mph.
Saturday
Sunny, with a high near 98. South wind around 10 mph.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Prosper TX
 33.23°N 96.78°W (Elev. 748 ft)
5:24 am CDT Aug 5, 2025
5am CDT Aug 5, 2025-6pm CDT Aug 11, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database