• Tonight

    Apr 18

    Lo 59°

    A strong evening thunderstorm

    Sinus Headache Weather
    • Hi
      RealFeel
      87°
    • UV
      9 - Very High
    • Cloud
      Cover
      30%
  • Sun

    Apr 19

    80°Lo 50°

    Mostly sunny

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      81°
    • UV
      9 - Very High
    • Cloud
      Cover
      11%
    more
  • Mon

    Apr 20

    71°Lo 47°

    Partly sunny and pleasant

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      75°
    • UV
      9 - Very High
    • Cloud
      Cover
      26%
    more
  • Tue

    Apr 21

    71°Lo 54°

    A thunderstorm in the area

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      72°
    • UV
      7 - High
    • Cloud
      Cover
      65%
    more
  • Wed

    Apr 22

    76°Lo 61°

    A thunderstorm in the area

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      76°
    • UV
      5 - Moderate
    • Cloud
      Cover
      82%
    more
Next Previous
Hi 79° RealFeel® 87° Precipitation 35%

Day

N

E

S

W

  • SE 5 mph
  • Gusts: 9 mph

Turning cloudy; storms can bring downpours, large hail, damaging winds, and a tornado

  • Max UV Index: 9 (Very High)
  • Thunderstorms: 95%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 59° RealFeel® 57° Precipitation 55%

Night

N

E

S

W

  • SSE 6 mph
  • Gusts: 12 mph

A strong evening t-storm; otherwise, mainly cloudy; storms can bring downpours and damaging winds

  • Max UV Index: N/A
  • Thunderstorms: 95%
  • Precipitation: 0.15 in
  • Rain: 0.15 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2014
High 79° 72° N/A 75°
Low 59° 51° N/A 52°

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 6:51 AM with 13:18 of moolight, then sets at 8:09 PM

Mckinney Weather Report

Dallas: Severe Thunderstorm Threat to Loom Into Weekend

April 18, 2015; 1:42 PM ET

The threat for severe thunderstorms will return across the Dallas area for the first half of the weekend before skies begin to clear at the start of the new week. more >

New Year, New You

Dec 24, 2012; 5:00 AM ET Start 2013 right with these tips on how to set realistic New Year's resolutions!

Sat. Sinus Headache

Sat. UV Index