• Today

    May 3

    79°Lo 59°

    An a.m. shower; partly sunny

    Excellent for lawn mowing
    • Hours of Precip
      2.5
    • Precip
      40%
    • Hi
      RealFeel
      79°
    more
  • Mon

    May 4

    69°Lo 49°

    A couple of thunderstorms

    Poor for lawn mowing
    • Hours of Precip
      16
    • Precip
      64%
    • Hi
      RealFeel
      72°
  • Tue

    May 5

    64°Lo 52°

    Cloudy, a couple of t-storms

    Poor for lawn mowing
    • Hours of Precip
      3.5
    • Precip
      60%
    • Hi
      RealFeel
      66°
    more
  • Wed

    May 6

    78°Lo 58°

    Warmer with spotty showers

    Very Good for lawn mowing
    • Hours of Precip
      3
    • Precip
      69%
    • Hi
      RealFeel
      82°
    more
  • Thu

    May 7

    82°Lo 63°

    Mostly sunny and very warm

    Excellent for lawn mowing
    • Hours of Precip
      0.5
    • Precip
      19%
    • Hi
      RealFeel
      82°
    more
Next Previous
Hi 69° RealFeel® 72° Precipitation 64%

Day

N

E

S

W

  • N 9 mph
  • Gusts: 17 mph

A thick cloud cover and not as warm with a couple of showers and a thunderstorm

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.45 in
  • Rain: 0.45 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs
Lo 49° RealFeel® 44° Precipitation 77%

Night

N

E

S

W

  • NE 7 mph
  • Gusts: 10 mph

Rain and a thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 37%
  • Precipitation: 0.94 in
  • Rain: 0.94 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 12 hrs
  • Hours of Rain: 12 hrs

Temperature History - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2014
High 69° 66° 92° (1952) 58°
Low 49° 45° 32° (1954) 44°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:44 AM with 14:10 of sunlight, then sets at 7:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:33 PM with 10:21 of moolight, then sets at 6:54 AM

Prospect Heights Weather Report

Chicago: Weekend Warmth to Last Into Early Week

May 3, 2015; 1:27 AM ET

The month of May has opened the door for warm air to flow into the Chicago area following a cool end to April. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Mon. Overnight Freeze

Mon. Degree Days

Mon. Evapotranspiration