• Today

    Sep 17

    69°Lo 47°

    Mostly sunny and pleasant

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

    Sep 18

    67°Lo 48°

    Mostly sunny and pleasant

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

    Sep 19

    73°Lo 61°

    Times of clouds and sun

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

    Sep 20

    78°Lo 58°

    A couple of p.m. t-storms

    Moderate ragweed pollen levels
    • Precip
      63%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      78%
    more
  • Sun

    Sep 21

    74°Lo 53°

    A morning shower possible

    Ragweed Pollen Weather
    • Precip
      30%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      51%
Next Previous
Hi 74° RealFeel® 73° Precipitation 30%

Day

N

E

S

W

  • WNW 9 mph
  • Gusts: 16 mph

A shower possible in the morning; otherwise, clouds giving way to some sun

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 15%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 53° RealFeel® 48° Precipitation 14%

Night

N

E

S

W

  • NNW 5 mph
  • Gusts: 9 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 10%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 74° 73° N/A 68°
Low 53° 52° N/A 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 12:14 of sunlight, then sets at 6:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:11 AM with 13:19 of moolight, then sets at 5:30 PM

Top Story

Algonquin Weather Report

Chicago: Cooler, Fall-Like Temperatures to Linger

September 17, 2014; 1:12 AM ET

The cooler, below-average conditions responsible for the fall-like feel will hold through the end of the week over the Chicago area. more >

Sun. Dust & Dander

Sun. Wind Maps