• Early AM

    Sep 2

    Lo 65°

    A brief shower or two

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Sep 2

    81°Lo 63°

    Clouds and sun; less humid

    High ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
    more
  • Wed

    Sep 3

    84°Lo 70°

    Partly sunny

    High ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
  • Thu

    Sep 4

    89°Lo 72°

    Partly sunny, warm and humid

    High ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      68%
    more
  • Fri

    Sep 5

    77°Lo 61°

    Not as warm with t-storms

    High ragweed pollen levels
    • Precip
      64%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      76%
    more
Next Previous
Hi 84° RealFeel® 85° Precipitation 11%

Day

N

E

S

W

  • SSW 7 mph
  • Gusts: 14 mph

Partly sunny

  • Max UV Index: 6 (High)
  • Thunderstorms: 14%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 70° RealFeel® 65° Precipitation 55%

Night

N

E

S

W

  • S 7 mph
  • Gusts: 11 mph

Mainly cloudy, warm and humid; occasional late-night rain and a thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.11 in
  • Rain: 0.11 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Mount Prospect Pollen Levels - September 3

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

    Pollen

    Low

  • Weed

    Pollen

    High

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2013
High 84° 79° 97° (1953) 77°
Low 70° 60° 47° (1974) 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:19 AM with 13:03 of sunlight, then sets at 7:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:07 PM with 10:01 of moolight, then sets at 1:08 AM

Top Story

Mount Prospect Weather Report

Chicago: Cooler, Less Humid Air to Return by Late Week

September 2, 2014; 4:05 AM ET

While Labor Day marks an unofficial end to the summer, the Chicago area will see warm, humid conditions continue before temperatures slide late in the week. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps