• Today

    Jul 31

    80°Lo 60°

    A thunderstorm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Aug 1

    81°Lo 59°

    A t-storm in the afternoon

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Sat

    Aug 2

    80°Lo 57°

    Partly sunny with a t-storm

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

    Aug 3

    82°Lo 59°

    Mostly sunny and nice

    Low ragweed pollen levels
    • Precip
      7%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      25%
    more
  • Mon

    Aug 4

    84°Lo 63°

    Partly sunny and beautiful

    Ragweed Pollen Weather
    • Precip
      10%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      46%
    more
Next Previous
Partly to mostly cloudy 63° Lo 59° RealFeel® 63° / 60°

N

E

S

W

  • Precipitation: 10%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 91%
  • Cloud Cover: 47%
  • Dew Point: 59° F
  • Visibility: 10 mi
1 mph

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2013
High 81° 83° 101° (1894) 80°
Low 59° 64° 48° (1947) 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:50 AM with 14:23 of sunlight, then sets at 8:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:19 AM with 11:33 of moolight, then sets at 10:52 PM

Top Story

Ottawa Weather Report

Late-Week Thunderstorms in Store for Chicago

July 31, 2014; 2:58 AM ET

Thunderstorms will move into the Chicago area later this week, and the threat for storms will remain into the weekend. more >

Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps