• Today

    Apr 18

    74°Lo 51°

    Decreasing clouds

    Neutral weather for asthma
    • Hi
      RealFeel
      82°
    • UV
      9 - Very High
    • Air Qual.
      Moderate
  • Sat

    Apr 19

    76°Lo 56°

    Sunshine and some clouds

    Neutral weather for asthma
    • Hi
      RealFeel
      80°
    • UV
      8 - Very High
    • Air Qual.
      Moderate
    more
  • Sun

    Apr 20

    78°Lo 61°

    A p.m. t-storm in spots

    Neutral weather for asthma
    • Hi
      RealFeel
      77°
    • UV
      6 - High
    • Air Qual.
      Good
    more
  • Mon

    Apr 21

    78°Lo 60°

    Some sun returning, a t-storm

    At Risk weather for asthma
    • Hi
      RealFeel
      80°
    • UV
      7 - High
    • Cloud
      Cover
      60%
    more
  • Tue

    Apr 22

    83°Lo 57°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      85°
    • UV
      9 - Very High
    • Cloud
      Cover
      26%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
4pm
5pm 6pm 7pm 8pm 9pm 10pm 11pm
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Forecast
Sunny
Sunny
Sunny
Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 73° 74° 72° 71° 67° 65° 61° 58°
RealFeel® 79° 76° 70° 67° 64° 63° 60° 56°
Humidity 39% 40% 41% 44% 51% 60% 67% 72%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Wind (mph) 3 ENE 3 ENE 3 ENE 3 ENE 3 ENE 2 E 2 ENE 3 ESE
UV Index 5 3 1 0 0 0 0 0
Cloud Cover 0% 0% 0% 0% 23% 25% 25% 25%
Dew Point 47° 48° 47° 48° 49° 50° 50° 49°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2013
High 74° 72° N/A 75°
Low 51° 51° N/A 41°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:53 AM with 13:06 of sunlight, then sets at 7:59 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:39 PM with 10:39 of moolight, then sets at 10:18 AM

Top Story

McKinney Weather Report

Clouds to Linger Across Dallas into the Weekend

April 18, 2014; 4:03 AM ET

Dry weather will return Friday and Saturday with clouds and sunshine each day and into the afternoon. more >

Is it a Cold or the Flu?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Fri. Air Quality

Fri. Asthma Risk

Fri. UV Index