• Tonight

    Apr 30

    Lo 43°

    Mostly cloudy, a little rain

    Bicycling Weather
    • Precip
      86%
    • Hours of Precip
      11
    • Wind
      Gust
      29 mph
  • Sun

    May 1

    51°Lo 42°

    Mostly cloudy, a little rain

    Fair for biking
    • Precip
      56%
    • Hours of Precip
      2.5
    • Wind
      Gust
      15 mph
    more
  • Mon

    May 2

    58°Lo 41°

    Partly sunny and warmer

    Excellent for biking
    • Precip
      8%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
    more
  • Tue

    May 3

    70°Lo 48°

    Breezy with some sun

    Very Good for biking
    • Precip
      10%
    • Hours of Precip
      1
    • Wind
      Gust
      30 mph
    more
  • Wed

    May 4

    56°Lo 41°

    Cooler with a shower or two

    Fair for biking
    • Precip
      55%
    • Hours of Precip
      1.5
    • Wind
      Gust
      25 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Rain
Rain
Rain
Rain
Temp (°F) 46° 48° 49° 49° 48° 46° 46° 45°
RealFeel® 41° 43° 45° 46° 41° 38° 36° 35°
Humidity 79% 76% 74% 78% 80% 87% 90% 94%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
21%
 
21%
 
26%
 
49%
 
58%
 
58%
 
78%
 
78%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 9 ENE 10 E 10 E 10 E 12 E 13 ENE 14 ENE 14 ENE
UV Index 1 1 2 3 3 3 2 2
Cloud Cover 97% 98% 99% 99% 100% 100% 100% 100%
Dew Point 39° 40° 41° 42° 42° 42° 43° 44°
Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Apr 30

more Historical Weather Data >
  Today Normal Record 4/30/2015
High 49° 65° 91° (1942) 51°
Low 43° 44° 30° (1873) 38°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:48 AM with 14:02 of sunlight, then sets at 7:50 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:05 AM with 10:41 of moolight, then sets at 12:46 PM

Mount Prospect Weather Report

Chicago: Warmup to follow cool, damp weekend

April 30, 2016; 7:26 PM ET

Following a cool and rainy weekend, warmer conditions will arrive in the Chicago area early next week. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.