• Early AM

    Sep 18

    Lo 47°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Sep 18

    69°Lo 49°

    Mostly sunny and pleasant

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

    Sep 19

    74°Lo 60°

    Times of sun and clouds

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

    Sep 20

    81°Lo 58°

    A couple of p.m. t-storms

    Moderate ragweed pollen levels
    • Precip
      76%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      78%
    more
  • Sun

    Sep 21

    72°Lo 48°

    Clouds breaking; less humid

    Moderate ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      54%
    more
Next Previous
Hi 74° RealFeel® 72° Precipitation 5%

Day

N

E

S

W

  • SSE 9 mph
  • Gusts: 20 mph

Times of clouds and sun; pleasant in the afternoon

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 7%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 60° RealFeel® 55° Precipitation 19%

Night

N

E

S

W

  • S 8 mph
  • Gusts: 13 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 22%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Algonquin Pollen Levels - September 19

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Moderate

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 74° 74° N/A 90°
Low 60° 53° N/A 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 12:19 of sunlight, then sets at 6:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:19 AM with 14:08 of moolight, then sets at 4:27 PM

Top Story

Algonquin Weather Report

Chicago: Cooler, Fall-Like Temperatures to Linger

September 17, 2014; 1:12 PM 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 >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps