• Today

    Sep 17

    70°Lo 48°

    Mostly sunny and pleasant

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

    Sep 18

    68°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 60°

    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

    79°Lo 59°

    A couple of p.m. t-storms

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

    Sep 21

    75°Lo 53°

    A morning shower possible

    Ragweed Pollen Weather
    • Precip
      30%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      51%
    more
Next Previous
Hi 70° RealFeel® 74° Precipitation 3%

Day

N

E

S

W

  • WSW 3 mph
  • Gusts: 5 mph

Mostly sunny and pleasant

  • 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 48° RealFeel® 46° Precipitation 2%

Night

N

E

S

W

  • N 1 mph
  • Gusts: 6 mph

Mainly clear

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • 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 17

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

    Pollen

    Low

  • Weed

    Pollen

    Moderate

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 70° 75° N/A 71°
Low 48° 54° N/A 44°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 12:25 of sunlight, then sets at 7:00 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:30 AM with 14:43 of moolight, then sets at 3:13 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 >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps