• Early AM

    Sep 2

    Lo 58°

    Partly to mostly cloudy

    Beach & Pool Weather
    • UV
      6 - High
    • Cloud
      Cover
      61%
    • Precip
      25%
    more
  • Today

    Sep 2

    77°Lo 58°

    Periods of sun; less humid

    Very Good at the beach or pool
    • UV
      6 - High
    • Cloud
      Cover
      48%
    • Precip
      25%
    more
  • Wed

    Sep 3

    80°Lo 66°

    Partly sunny and more humid

    Very Good at the beach or pool
    • UV
      6 - High
    • Cloud
      Cover
      26%
    • Precip
      21%
    more
  • Thu

    Sep 4

    83°Lo 66°

    Times of clouds and sun

    Good at the beach or pool
    • UV
      4 - Moderate
    • Cloud
      Cover
      70%
    • Precip
      25%
  • Fri

    Sep 5

    75°Lo 56°

    Not as warm with a t-storm

    Fair at the beach or pool
    • UV
      4 - Moderate
    • Cloud
      Cover
      70%
    • Precip
      62%
    more
Next Previous
Hi 83° RealFeel® 86° Precipitation 25%

Day

N

E

S

W

  • SSW 12 mph
  • Gusts: 21 mph

Very warm and humid with intervals of clouds and sunshine

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 66° RealFeel® 64° Precipitation 40%

Night

N

E

S

W

  • W 8 mph
  • Gusts: 13 mph

Mainly cloudy, warm and humid; watch for a strong late-night thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 95%
  • Precipitation: 0.1 in
  • Rain: 0.1 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2013
High 83° 79° 93° (2012) 81°
Low 66° 57° 41° (1974) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:22 AM with 13:04 of sunlight, then sets at 7:26 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:10 PM with 10:01 of moolight, then sets at 1:11 AM

Top Story

DeKalb Weather Report

Chicago: Cooler, Less Humid Air to Return by Late Week

September 1, 2014; 8:54 PM ET

While Labor Day marks an unofficial end to the summer, the Chicago area will see warm, humid conditions continue before temperatures slide late in the week. more >

What's that Warning? Warnings at the Beach

Jul 25, 2012; 5:00 AM ET If you're headed to the beach, keep an eye out for any of these watches and warnings issued by the NWS.

Thu. Beach & Pool

Thu. UV Index

Thu. Wind Maps