• Today

    Apr 18

    78°Lo 60°

    A severe afternoon t-storm

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      650 - High
    more
  • Sun

    Apr 19

    79°Lo 50°

    Sunny; breezy in the p.m.

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      650 - High
    more
  • Mon

    Apr 20

    72°Lo 48°

    Partly sunny and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      650 - High
    more
  • Tue

    Apr 21

    69°Lo 54°

    A thunderstorm in the area

    Low ragweed pollen levels
    • Precip
      40%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      65%
  • Wed

    Apr 22

    76°Lo 61°

    A thunderstorm in the area

    Ragweed Pollen Weather
    • Precip
      40%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      82%
    more
Next Previous
Hi 69° RealFeel® 70° Precipitation 40%

Day

N

E

S

W

  • SSE 10 mph
  • Gusts: 17 mph

Times of clouds and sun with a shower or thunderstorm around

  • Max UV Index: 7 (High)
  • Thunderstorms: 40%
  • Precipitation: 0.08 in
  • Rain: 0.08 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 54° RealFeel® 47° Precipitation 40%

Night

N

E

S

W

  • S 7 mph
  • Gusts: 13 mph

Mainly cloudy with a strong thunderstorm in spots late

  • Max UV Index: N/A
  • Thunderstorms: 95%
  • Precipitation: 0.1 in
  • Rain: 0.1 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 69° 73° N/A 81°
Low 54° 52° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:50 AM with 13:11 of sunlight, then sets at 8:01 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:13 AM with 14:06 of moolight, then sets at 11:19 PM

Mckinney Weather Report

Dallas: Severe Thunderstorm Threat to Loom Into Weekend

April 18, 2015; 4:42 AM 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 >

Tue. Dust & Dander

Tue. Wind Maps