• Tonight

    Sep 4

    Lo 67°

    Patchy clouds, warm and humid

    Stargazing Weather
    • Cloud
      Cover
      40%
    • Precip
      25%
    • Hours of Precip
      0
  • Sat

    Sep 5

    90°Lo 72°

    Partly sunny, hot and humid

    Good for stargazing
    • Cloud
      Cover
      26%
    • Precip
      12%
    • Hours of Precip
      0
    more
  • Sun

    Sep 6

    92°Lo 74°

    Partly sunny, hot and humid

    Fair for stargazing
    • Cloud
      Cover
      73%
    • Precip
      18%
    • Hours of Precip
      0
    more
  • Mon

    Sep 7

    86°Lo 70°

    A t-storm in the afternoon

    Poor for stargazing
    • Cloud
      Cover
      98%
    • Precip
      60%
    • Hours of Precip
      2
    more
  • Tue

    Sep 8

    79°Lo 65°

    Mostly cloudy with t-storms

    Poor for stargazing
    • Cloud
      Cover
      90%
    • Precip
      25%
    • Hours of Precip
      4
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
11pm
Sat
12am
1am 2am 3am 4am 5am 6am
  11pm 12am 1am 2am 3am 4am 5am 6am
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Mostly Clear
Temp (°F) 70° 69° 69° 69° 69° 69° 69° 67°
RealFeel® 72° 71° 70° 71° 71° 70° 70° 68°
Humidity 92% 93% 93% 93% 93% 93% 93% 97%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Rain
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Wind (mph) 5 E 5 E 5 E 5 E 4 ESE 4 SE 4 SE 4 SE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 44% 45% 45% 45% 45% 45% 42% 26%
Dew Point 68° 67° 67° 67° 67° 67° 67° 66°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2014
High 84° 79° N/A 85°
Low 67° 59° N/A 71°

Solunar Information for Mount Prospect, IL

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

Sat, Sep 5
Last
Sun, Sep 13
New
Mon, Sep 21
First
Mon, Sep 28
Full

Mount Prospect Weather Report

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

September 4, 2015; 8:03 PM ET

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

Curiosity Tastes Mars

Dec 14, 2012; 5:00 AM ET The Mars Science Laboratory Rover 'Curiosity' continues its sampling and analyzing of the Martian surface.

Fri. Stargazing