Hazardous Weather Conditions

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 30.23 in (1022.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 17 Sep 11:53 am CDT
Extended Forecast for

Melissa TX

  • This Afternoon

    This Afternoon: A 10 percent chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 98. Heat index values as high as 101. Southeast wind around 10 mph.

    High: 98 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. Heat index values as high as 102. Light south southeast wind increasing to 5 to 10 mph in the afternoon.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 74. South southeast wind around 5 mph.

    Low: 74 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. South southeast wind around 10 mph.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 98. South wind 5 to 10 mph.

    High: 98 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 75. South southeast wind around 5 mph.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers.  Mostly sunny, with a high near 95. South southwest wind around 5 mph.

    High: 95 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
A 10 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 98. Heat index values as high as 101. Southeast wind around 10 mph.
Tonight
Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 99. Heat index values as high as 102. Light south southeast wind increasing to 5 to 10 mph in the afternoon.
Friday Night
Clear, with a low around 74. South southeast wind around 5 mph.
Saturday
Sunny and hot, with a high near 99. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 75. South southeast wind around 10 mph.
Sunday
Sunny, with a high near 98. South wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 75. South southeast wind around 5 mph.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 95. South southwest wind around 5 mph.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 72.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Melissa TX
 33.28°N 96.57°W (Elev. 646 ft)
6:06 am CDT Sep 17, 2026
12pm CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database