• Today

    Oct 21

    54°Lo 38°

    Cooler with sun and clouds

    Poor for skiing
    • Rain
      0 in
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Wed

    Oct 22

    55°Lo 37°

    Plenty of sun

    Poor for skiing
    • Rain
      0 in
    • Precip
      1%
    • Hours of Precip
      0
  • Thu

    Oct 23

    57°Lo 47°

    An afternoon shower in spots

    Poor for skiing
    • Rain
      0.01 in
    • Precip
      40%
    • Hours of Precip
      0.5
    more
  • Fri

    Oct 24

    62°Lo 46°

    Mostly sunny

    Poor for skiing
    • Rain
      0 in
    • Precip
      7%
    • Hours of Precip
      0
    more
  • Sat

    Oct 25

    68°Lo 49°

    Warm with periods of sun

    Poor for skiing
    • Rain
      0 in
    • Precip
      1%
    • Hours of Precip
      0
    more
Next Previous
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  Wed
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Temp (°F) 44° 48° 51° 52° 54° 54° 55° 55°
RealFeel® 44° 49° 54° 57° 59° 58° 57° 54°
Humidity 73% 66% 60% 54% 50% 47% 46% 46%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
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 ESE 5 ESE 5 ESE 5 ESE 5 ESE 6 ESE 6 ESE 6 ESE
UV Index 0 1 2 3 3 3 2 1
Cloud Cover 6% 3% 1% 1% 1% 1% 0% 0%
Dew Point 36° 37° 37° 36° 35° 35° 35° 34°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Oct 22

more Historical Weather Data >
  Today Normal Record 10/22/2013
High 55° 60° 87° (1953) 42°
Low 37° 41° 22° (1982) 29°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:12 AM with 10:48 of sunlight, then sets at 6:00 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:52 AM with 11:35 of moolight, then sets at 5:27 PM

Mount Prospect Weather Report

Cool Weather Ahead for Chicago

October 21, 2014; 6:01 AM ET

Seasonable temperatures will be the rule this week across Chicagoland. more >

Tourism of Doom: Traveling to Endangered Places

Aug 30, 2012; 5:00 AM ET If you're longing to ski the Alps or swim in the Great Barrier Reef, you may be running out of time. A changing climate may beat you to the punch line. Valerie Smock has more.

48 Hour Precipitation Forecast

Wed. Ski Weather