• Tonight

    May 3

    Lo 57°

    Thunderstorms, severe early

    Hair Frizz Weather
    • Wind
      Gust
      27 mph
    • Precip
      70%
    • Hours of Precip
      7
  • Mon

    May 4

    72°Lo 51°

    Cloudy, a couple of t-storms

    Advisory for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      65%
    • Hours of Precip
      8
    more
  • Tue

    May 5

    67°Lo 51°

    Cloudy, a couple of t-storms

    Watch for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      60%
    • Hours of Precip
      6
    more
  • Wed

    May 6

    81°Lo 58°

    Warmer with a shower or two

    Watch for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      59%
    • Hours of Precip
      2
    more
  • Thu

    May 7

    82°Lo 61°

    Partly sunny and warm

    Watch for hair frizz
    • Wind
      Gust
      24 mph
    • Precip
      25%
    • Hours of Precip
      3.5
    more
Next Previous
Hi 72° RealFeel® 76° Precipitation 70%

Day

N

E

S

W

  • SSW 12 mph
  • Gusts: 26 mph

A few t-storms, some severe this afternoon; otherwise, breezy this morning; mostly cloudy and warm

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 95%
  • Precipitation: 0.67 in
  • Rain: 0.6 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 2.5 hrs
Lo 57° RealFeel® 50° Precipitation 62%

Night

N

E

S

W

  • SSW 10 mph
  • Gusts: 17 mph

Thunderstorms, severe early; mostly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 95%
  • Precipitation: 0.44 in
  • Rain: 0.44 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs

Temperature History - May 3

more Historical Weather Data >
  Today Normal Record 5/3/2014
High 72° 66° 83° (2012) 66°
Low 57° 44° 27° (2005) 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:49 AM with 14:07 of sunlight, then sets at 7:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:37 PM with 10:40 of moolight, then sets at 6:17 AM

DeKalb Weather Report

Chicago: Temperature Roller Coaster in Store for New Week

May 3, 2015; 11:27 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 >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Sun. Hair Frizz

Sun. Wind Maps

Sun. UV Index