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

Heavy Rainfall in Southern California and in the Southern Plains; Heavy Snow in the Sierra Nevada Mountains and Rockies

A Pacific storm will bring coastal/lower elevation heavy to excessive rainfall to southern California and the Southern Rockies today, with localized flash flooding possible, especially near recent burn scars. Heavy snow is forecast over parts of the Sierra Nevada Mountains today and over the Northern Rockies on Wednesday. Several inches of snowfall accumulation is possible. Read More >

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

83°F

28°C

Humidity 41%
Wind Speed SE 8 mph
Barometer 30.17 in (1021.4 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 14 Oct 11:53 am CDT
Extended Forecast for

Mc Kinney TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. East southeast wind 5 to 10 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 62. East wind around 5 mph.

    Low: 62 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. East wind around 5 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. East wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 86. South southeast wind 5 to 10 mph.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66. South southeast wind around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 87. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 69. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 88. East southeast wind 5 to 10 mph.
Tonight
Clear, with a low around 62. East wind around 5 mph.
Wednesday
Sunny, with a high near 87. East wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 60. East wind around 5 mph.
Thursday
Mostly sunny, with a high near 86. South southeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 66. South southeast wind around 5 mph.
Friday
Sunny, with a high near 87. South wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 69. South wind around 10 mph, with gusts as high as 20 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Kinney TX
 33.21°N 96.65°W (Elev. 600 ft)
Last Update:
5:07 am CDT Oct 14, 2025
Forecast Valid:
12pm CDT Oct 14, 2025-6pm CDT Oct 20, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation