• Mon

    May 18

    81°Lo 60°

    An afternoon shower

    Hair Frizz Weather
    • Wind
      Gust
      29 mph
    • Precip
      57%
    • Hours of Precip
      1
    more
  • Tue

    May 19

    73°Lo 56°

    A touch of afternoon rain

    Hair Frizz Weather
    • Wind
      Gust
      17 mph
    • Precip
      55%
    • Hours of Precip
      1
    more
  • Wed

    May 20

    74°Lo 57°

    Warm with periods of rain

    Hair Frizz Weather
    • Wind
      Gust
      5 mph
    • Precip
      74%
    • Hours of Precip
      11.5
    more
  • Thu

    May 21

    73°Lo 57°

    A couple of showers

    Hair Frizz Weather
    • Wind
      Gust
      5 mph
    • Precip
      66%
    • Hours of Precip
      1.5
  • Fri

    May 22

    76°Lo 56°

    Cloudy, a little rain; warm

    Hair Frizz Weather
    • Wind
      Gust
      10 mph
    • Precip
      58%
    • Hours of Precip
      3
    more
Next Previous
Hi 73° RealFeel® 78° Precipitation 66%

Day

N

E

S

W

  • ESE 4 mph
  • Gusts: 5 mph

Mostly cloudy with a couple of showers, mainly early in the day

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.11 in
  • Rain: 0.11 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 57° RealFeel® 58° Precipitation 25%

Night

N

E

S

W

  • SSE 4 mph
  • Gusts: 5 mph

Partly cloudy

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

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2014
High 73° 72° N/A 86°
Low 57° 52° N/A 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:27 AM with 14:46 of sunlight, then sets at 8:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:46 AM with 14:39 of moolight, then sets at 11:25 PM

Dundee 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 >

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.