Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

76°F

24°C

Humidity 74%
Wind Speed N 3 mph
Barometer 29.99 in (1014.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 23 Aug 12:53 am CDT
Extended Forecast for

Melissa TX

  • Overnight

    Overnight: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97. Heat index values as high as 100. Light north wind increasing to 5 to 10 mph in the afternoon.

    High: 97 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. Northeast wind 5 to 10 mph becoming light  in the evening.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 95. Heat index values as high as 100. Northeast wind around 5 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. East northeast wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 94. South southeast wind 5 to 10 mph.

    High: 94 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 69. East wind 5 to 10 mph.

    Low: 69 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 82. East northeast wind 5 to 10 mph.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 65. East northeast wind 5 to 10 mph.  Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 73. Calm wind.
Saturday
Sunny, with a high near 97. Heat index values as high as 100. Light north wind increasing to 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 74. Northeast wind 5 to 10 mph becoming light in the evening.
Sunday
Sunny, with a high near 95. Heat index values as high as 100. Northeast wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 74. East northeast wind around 5 mph.
Monday
Mostly sunny, with a high near 94. South southeast wind 5 to 10 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. East wind 5 to 10 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. East northeast wind 5 to 10 mph.
Tuesday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. East northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Melissa TX
 33.28°N 96.59°W (Elev. 597 ft)
12:24 am CDT Aug 23, 2025
1am CDT Aug 23, 2025-6pm CDT Aug 29, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database