• Tonight

    Aug 21

    Lo 76°

    Mainly clear and humid

    Frizz Forecast Weather
    • Wind
      Gust
      20 mph
    • Precip
      5%
    • Hours of Precip
      0
  • Fri

    Aug 22

    95°Lo 74°

    Mostly sunny

    Frizz Forecast Weather
    • Wind
      Gust
      14 mph
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Sat

    Aug 23

    95°Lo 73°

    Mostly sunny and seasonable

    Frizz Forecast Weather
    • Wind
      Gust
      12 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Sun

    Aug 24

    96°Lo 73°

    Mostly sunny and seasonable

    Frizz Forecast Weather
    • Wind
      Gust
      11 mph
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Mon

    Aug 25

    97°Lo 74°

    Hot with plenty of sun

    Frizz Forecast Weather
    • Wind
      Gust
      10 mph
    • Precip
      5%
    • Hours of Precip
      0
    more
Next Previous
Next 8 hours >
  Thu
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Mostly Sunny
Temp (°F) 82° 81° 80° 80° 79° 78° 76° 75°
RealFeel® 80° 82° 81° 81° 81° 81° 79° 78°
Humidity 67% 71% 76% 76% 82% 84% 90% 89%
   
  12am 1am 2am 3am 4am 5am 6am 7am
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%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 14 S 7 SW 12 S 10 S 10 S 7 S 7 S 7 S
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 0% 0% 0% 0% 0% 0% 17%
Dew Point 70° 71° 72° 72° 73° 73° 73° 72°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 97° 92° N/A 96°
Low 76° 69° N/A 72°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:53 AM with 13:12 of sunlight, then sets at 8:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:30 AM with 14:00 of moolight, then sets at 5:30 PM

Top Story

Mckinney Weather Report

Dallas: Sunshine and Warmth to Remain into Next Week

August 21, 2014; 8:56 PM ET

A seasonably hot weather pattern across the Dallas area will remain through the weekend with a large ridge of high pressure in place across the Deep South. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Thu. Hair Frizz

Thu. Wind Maps

Thu. UV Index