• Early AM

    Sep 3

    Lo 70°

    A shower or thunderstorm

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Today

    Sep 3

    89°Lo 68°

    A thunderstorm this afternoon

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Fri

    Sep 4

    85°Lo 67°

    Partly sunny with a t-storm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Sep 5

    87°Lo 71°

    Partly sunny, warm and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Sep 6

    90°Lo 73°

    Partly sunny and very warm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Mostly Cloudy
Mostly Cloudy
T-storms
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 73° 72° 70° 71° 74° 77° 80° 83°
RealFeel® 74° 72° 66° 72° 77° 81° 87° 90°
Humidity 81% 81% 84% 83% 81% 76% 71% 66%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
20%
 
47%
 
51%
 
47%
 
23%
 
23%
 
22%
 
20%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 5 SSW 5 SSW 5 SSW 5 SSW 6 SSW 6 SSW 7 S 8 SSW
UV Index 0 0 0 0 1 2 3 4
Cloud Cover 85% 87% 81% 69% 49% 46% 46% 46%
Dew Point 67° 66° 65° 66° 68° 69° 70° 70°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 89° 79° N/A 83°
Low 68° 60° N/A 61°

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 10:41 PM with 14:27 of moolight, then sets at 1:08 PM

Mount Prospect Weather Report

Chicago: Sun, Humidity to Grip Region Before Stormy Labor Day

September 3, 2015; 3:20 AM ET

As the Labor Day weekend shapes up, Chicago residents will see mostly sunny and humid conditions until the holiday itself on Monday. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps