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

Heavy Rainfall for Portions of the West and Central U.S.; Monitoring Fire Weather Conditions for New England

Tropical moisture continues to flow across portions of the Great Basin, desert Southwest and California. Isolated instances of flash flooding remains possible. Meanwhile, a storm and associated frontal boundary will focus showers and thunderstorms for the center of the nation. For New England, dry and breezy conditions could enhance favorable fire weather conditions. Read More >

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

75°F

24°C

Humidity 82%
Wind Speed SE 6 mph
Barometer 30.01 in (1015.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 20 Sep 12:53 am CDT
Extended Forecast for

Mc Kinney TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 72. South southeast wind around 5 mph.

    Low: 72 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 93. South wind 5 to 10 mph.

    High: 93 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. South wind 5 to 10 mph.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 91. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 73. South southeast wind around 10 mph. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 4pm. Sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms, then a chance of showers after 7pm. Mostly clear, with a low around 74. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers. Mostly sunny, with a high near 93. South wind around 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. South wind 5 to 10 mph becoming northwest after midnight.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 72. South southeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 93. South wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 72. South wind 5 to 10 mph.
Sunday
A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 91. South wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 73. South southeast wind around 10 mph. Chance of precipitation is 20%.
Monday
A slight chance of showers, with thunderstorms also possible after 4pm. Sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms, then a chance of showers after 7pm. Mostly clear, with a low around 74. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tuesday
A 50 percent chance of showers. Mostly sunny, with a high near 93. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. South wind 5 to 10 mph becoming northwest after midnight.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 65.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 64.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 84.
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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:
12:24 am CDT Sep 20, 2025
Forecast Valid:
1am CDT Sep 20, 2025-6pm CDT Sep 26, 2025
 
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