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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

61°F

16°C

Humidity 90%
Wind Speed Calm
Barometer 29.99 in (1015.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 10 Oct 7:53 am CDT
Extended Forecast for

Mc Kinney TX

  • Today

    Today: Sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 67. South southeast wind around 5 mph.

    Low: 67 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 91. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 70. South wind around 10 mph.

    Low: 70 °F

    Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 89. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 73. South wind 5 to 10 mph.

    Low: 73 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 92 °F

    Sunny

  • Tuesday Night

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

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Clear, with a low around 67. South southeast wind around 5 mph.
Sunday
Sunny, with a high near 91. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Clear, with a low around 70. South wind around 10 mph.
Columbus Day
Sunny, with a high near 89. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Clear, with a low around 73. South wind 5 to 10 mph.
Tuesday
Sunny, with a high near 92. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 75. South wind around 10 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 72.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mc Kinney TX
 33.19°N 96.65°W (Elev. 545 ft)
Last Update:
6:06 am CDT Oct 10, 2026
Forecast Valid:
7am CDT Oct 10, 2026-6pm CDT Oct 16, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation