Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Mostly Cloudy

66°F

19°C

Humidity 93%
Wind Speed SE 5 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 20 Nov 2:53 pm CST
Extended Forecast for

4 Miles N Mc Kinney TX

Flood Watch November 20, 03:39pm until November 21, 06:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch November 20, 03:39pm until November 21, 06:00am

    NOW until 6:00am Fri

    Flood Watch

  • This Afternoon

    High: 68 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before midnight, then a chance of showers.  Low around 61. North northwest wind 5 to 10 mph becoming south southeast in the evening.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 9am.  Mostly cloudy through mid morning, then gradual clearing, with a high near 74. West southwest wind 5 to 10 mph.

    High: 74 °F

    Slight Chance
    Showers then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49. West southwest wind around 5 mph becoming north northwest after midnight.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 68. North northwest wind 5 to 10 mph.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49. North northeast wind around 5 mph becoming calm  in the evening.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 69. Southeast wind 5 to 10 mph.  Chance of precipitation is 40%.

    High: 69 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm.  Low around 57. South southeast wind 5 to 10 mph.  Chance of precipitation is 90%.

    Low: 57 °F

    T-storms then
    Showers

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Steady temperature around 68. South wind around 10 mph becoming west northwest. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms before midnight, then a chance of showers. Low around 61. North northwest wind 5 to 10 mph becoming south southeast in the evening. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A 20 percent chance of showers before 9am. Mostly cloudy through mid morning, then gradual clearing, with a high near 74. West southwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 49. West southwest wind around 5 mph becoming north northwest after midnight.
Saturday
Mostly sunny, with a high near 68. North northwest wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 49. North northeast wind around 5 mph becoming calm in the evening.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 69. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Sunday Night
Showers and possibly a thunderstorm. Low around 57. South southeast wind 5 to 10 mph. Chance of precipitation is 90%.
Monday
Showers likely, mainly before noon. Mostly sunny, with a high near 70. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Mc Kinney TX
 33.26°N 96.65°W (Elev. 597 ft)
1:46 pm CST Nov 20, 2025
3pm CST Nov 20, 2025-6pm CST Nov 26, 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