• Today

    Sep 2

    90°Lo 70°

    Partly sunny and hot

    Excellent for driving
    • Precip
      13%
    • Hours of Precip
      1.5
    • Rain
      0.17 in
    more
  • Thu

    Sep 3

    88°Lo 67°

    Clouds and sun with a t-storm

    Good for driving
    • Precip
      55%
    • Hours of Precip
      1.5
    • Rain
      0.11 in
    more
  • Fri

    Sep 4

    87°Lo 67°

    Mostly sunny with a t-storm

    Excellent for driving
    • Precip
      55%
    • Hours of Precip
      1.5
    • Rain
      0.10 in
  • Sat

    Sep 5

    87°Lo 69°

    A p.m. t-storm in spots

    Good for driving
    • Precip
      49%
    • Hours of Precip
      1
    • Rain
      0.21 in
    more
  • Sun

    Sep 6

    89°Lo 71°

    Partly sunny and very warm

    Excellent for driving
    • Precip
      11%
    • Hours of Precip
      0.5
    • Rain
      0.03 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
T-storms
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 74° 78° 81° 83° 85° 86° 87° 85°
RealFeel® 78° 82° 92° 93° 96° 96° 97° 94°
Humidity 74% 73% 67% 60% 57% 55% 56% 58%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
47%
 
51%
 
23%
 
18%
 
23%
 
34%
 
34%
 
37%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 4 SW 5 SW 5 SW 5 SSW 5 SSW 5 S 5 SSE 5 SE
UV Index 2 3 4 5 6 5 4 3
Cloud Cover 25% 25% 25% 25% 20% 19% 21% 25%
Dew Point 66° 68° 69° 68° 68° 68° 70° 69°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2014
High 87° 79° N/A 85°
Low 67° 59° N/A 71°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:20 AM with 13:01 of sunlight, then sets at 7:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:27 PM with 14:41 of moolight, then sets at 2:08 PM

Mount Prospect Weather Report

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

September 2, 2015; 7:34 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 >

Travel Weather Forecast

Sep 02, 2015; 8:55 AM ET United States travel weather forecast

Fri. Driving Weather