• Early AM

    Aug 21

    Lo 70°

    A shower or thunderstorm

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

    Aug 21

    86°Lo 74°

    A couple of thunderstorms

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

    Aug 22

    92°Lo 72°

    Clouds and sun with a t-storm

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

    Aug 23

    85°Lo 70°

    Clouds and sun with a t-storm

    Moderate ragweed pollen levels
    • Precip
      65%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      46%
    more
  • Sun

    Aug 24

    90°Lo 72°

    Periods of sun, hot and humid

    Ragweed Pollen Weather
    • Precip
      23%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      46%
    more
Next Previous
Hi 86° RealFeel® 93° Precipitation 60%

Day

N

E

S

W

  • SW 7 mph
  • Gusts: 13 mph

Mostly cloudy and humid with a couple of showers and a thunderstorm

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 44%
  • Precipitation: 0.2 in
  • Rain: 0.2 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 74° RealFeel® 75° Precipitation 61%

Night

N

E

S

W

  • SSW 5 mph
  • Gusts: 10 mph

Clouds breaking with a couple of thunderstorms; thunderstorms can bring hail and damaging winds

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.25 in
  • Rain: 0.25 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs

Mount Prospect Pollen Levels - August 21

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

    Pollen

    Low

  • Weed

    Pollen

    Moderate

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 86° 82° 99° (1955) 90°
Low 74° 63° 46° (1950) 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:04 AM with 13:41 of sunlight, then sets at 7:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:43 AM with 14:48 of moolight, then sets at 4:31 PM

Top Story

Mount Prospect Weather Report

Chicago: Threat of Thunderstorms Lingers After Heavy Rains Flood Wrigley Field

August 21, 2014; 1:30 AM ET

While there may be a mix of sunshine and clouds over the area, Chicago is facing more rounds of thunderstorms over the next several days. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps