• Sun

    Aug 9

    103°Lo 78°

    Hot with plenty of sun

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Mon

    Aug 10

    103°Lo 78°

    Hot with sunshine

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Tue

    Aug 11

    103°Lo 78°

    Sunshine and hot

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Wed

    Aug 12

    102°Lo 78°

    A t-storm around in the a.m.

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Thu

    Aug 13

    101°Lo 82°

    Sunny and hot

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 103° RealFeel® 103° Precipitation 5%

Day

N

E

S

W

  • S 10 mph
  • Gusts: 14 mph

Hot with plenty of sun

  • Max UV Index: 10 (Extreme)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 78° RealFeel® 78° Precipitation 3%

Night

N

E

S

W

  • SSW 5 mph
  • Gusts: 10 mph

Clear and warm

  • Max UV Index: N/A
  • Thunderstorms: 12%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 9

more Historical Weather Data >
  Today Normal Record 8/9/2014
High 103° 94° N/A 100°
Low 78° 70° N/A 75°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:45 AM with 13:33 of sunlight, then sets at 8:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:23 AM with 14:06 of moolight, then sets at 4:29 PM

Mckinney Weather Report

Dallas: Sizzling Heat to Persist Into Late Week

August 4, 2015; 4:53 AM ET

Sunny skies and very warm conditions will persist through the week in the Dallas-Fort Worth Metroplex. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.