• Today

    Aug 20

    86°Lo 70°

    Times of clouds and sun

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
  • Thu

    Aug 21

    88°Lo 72°

    An a.m. t-storm; partly sunny

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Aug 22

    90°Lo 72°

    A thunderstorm in the area

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Aug 23

    91°Lo 70°

    Clouds and sun, hot and humid

    Moderate ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      46%
    more
  • Sun

    Aug 24

    93°Lo 68°

    Periods of sun; hot, humid

    Ragweed Pollen Weather
    • Precip
      17%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      46%
    more
Next Previous
A strong thunderstorm 79° Lo 73° RealFeel® 82° / 73°

N

E

S

W

  • Precipitation: 53%
  • Rain: 0.15 in
  • Snow: 0 in
  • Humidity: 85%
  • Cloud Cover: 66%
  • Dew Point: 70° F
  • Visibility: 9 mi
3 mph

Temperature History - Aug 20

more Historical Weather Data >
  Today Normal Record 8/20/2013
High 86° 83° 101° (1947) 88°
Low 70° 62° 43° (1950) 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:09 AM with 13:39 of sunlight, then sets at 7:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:49 AM with 14:44 of moolight, then sets at 4:33 PM

Top Story

Ottawa Weather Report

Chicago: Showers, Thunderstorms to Return Thursday

August 20, 2014; 3:53 AM ET

There will be an uptick in humidity and storms in Chicago for much of this week. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps