• Today

    Sep 17

    69°Lo 50°

    Mostly sunny and pleasant

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Thu

    Sep 18

    65°Lo 52°

    Mostly sunny and pleasant

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Fri

    Sep 19

    73°Lo 62°

    Pleasant with clouds and sun

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Sat

    Sep 20

    79°Lo 61°

    An afternoon thunderstorm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sun

    Sep 21

    73°Lo 55°

    A morning shower possible

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 73° RealFeel® 71° Precipitation 6%

Day

N

E

S

W

  • S 10 mph
  • Gusts: 19 mph

Pleasant with periods of sunshine

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 62° RealFeel® 56° Precipitation 18%

Night

N

E

S

W

  • SSW 11 mph
  • Gusts: 15 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 16%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 73° 74° 93° (1955) 84°
Low 62° 53° 40° (1991) 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:36 AM with 12:19 of sunlight, then sets at 6:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:17 AM with 14:08 of moolight, then sets at 4:25 PM

Top Story

Mount Prospect Weather Report

Chicago: Cooler, Fall-Like Temperatures to Linger

September 17, 2014; 1:12 AM ET

The cooler, below-average conditions responsible for the fall-like feel will hold through the end of the week over the Chicago area. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

Fri. Snow Day Potential