• Tonight

    Dec 17

    Lo 21°

    Mostly cloudy

    Asthma Weather
    • Hi
      RealFeel
      18°
    • UV
      0 - Low
    • Air Qual.
      Good
    more
  • Thu

    Dec 18

    30°Lo 22°

    Mostly cloudy

    Beneficial weather for asthma
    • Hi
      RealFeel
      31°
    • UV
      1 - Low
    • Air Qual.
      Good
    more
  • Fri

    Dec 19

    33°Lo 25°

    Periods of sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      36°
    • UV
      1 - Low
    • Air Qual.
      Moderate
    more
  • Sat

    Dec 20

    35°Lo 25°

    Mostly cloudy

    Beneficial weather for asthma
    • Hi
      RealFeel
      37°
    • UV
      1 - Low
    • Cloud
      Cover
      82%
    more
  • Sun

    Dec 21

    38°Lo 31°

    Intervals of clouds and sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      33°
    • UV
      1 - Low
    • Cloud
      Cover
      49%
Next Previous
Hi 38° RealFeel® 33° Precipitation 11%

Day

N

E

S

W

  • S 7 mph
  • Gusts: 12 mph

Intervals of clouds and sun

  • Max UV Index: 1 (Low)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 31° RealFeel® 20° Precipitation 14%

Night

N

E

S

W

  • S 9 mph
  • Gusts: 15 mph

Mostly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 38° 34° N/A 36°
Low 31° 20° N/A 29°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:17 AM with 9:06 of sunlight, then sets at 4:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:31 AM with 10:00 of moolight, then sets at 4:31 PM

Prospect Heights Weather Report

Chicago: White Christmas in the Offing

December 17, 2014; 8:33 PM ET

While the next couple of days will be tranquil for the Chicago area, Christmas Eve could deliver enough snow to blanket the city. more >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Sun. Asthma Risk

Sun. UV Index