• Mon

    Aug 25

    87°Lo 71°

    A t-storm around in the p.m.

    Frizz Forecast Weather
    • Wind
      Gust
      11 mph
    • Precip
      40%
    • Hours of Precip
      2.5
  • Tue

    Aug 26

    81°Lo 71°

    A thunderstorm or two

    Frizz Forecast Weather
    • Wind
      Gust
      10 mph
    • Precip
      61%
    • Hours of Precip
      5
    more
  • Wed

    Aug 27

    82°Lo 53°

    A thunderstorm or two

    Frizz Forecast Weather
    • Wind
      Gust
      22 mph
    • Precip
      60%
    • Hours of Precip
      7
    more
  • Thu

    Aug 28

    70°Lo 56°

    Cloudy and cooler

    Frizz Forecast Weather
    • Wind
      Gust
      12 mph
    • Precip
      21%
    • Hours of Precip
      1
    more
  • Fri

    Aug 29

    77°Lo 65°

    Sunshine and some clouds

    Frizz Forecast Weather
    • Wind
      Gust
      18 mph
    • Precip
      3%
    • Hours of Precip
      0
    more
Next Previous
Hi 87° RealFeel® 94° Precipitation 40%

Day

N

E

S

W

  • SW 7 mph
  • Gusts: 11 mph

Partly sunny and humid; a thunderstorm in spots in the afternoon

  • Max UV Index: 6 (High)
  • Thunderstorms: 90%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 71° RealFeel® 70° Precipitation 60%

Night

N

E

S

W

  • SSW 6 mph
  • Gusts: 11 mph

Partly cloudy and humid; a couple of late-night thunderstorms around

  • Max UV Index: N/A
  • Thunderstorms: 90%
  • Precipitation: 0.11 in
  • Rain: 0.11 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Temperature History - Aug 25

more Historical Weather Data >
  Today Normal Record 8/25/2013
High 87° 81° N/A 89°
Low 71° 62° N/A 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:10 AM with 13:27 of sunlight, then sets at 7:37 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:16 AM with 13:10 of moolight, then sets at 7:26 PM

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Chicago Weather Report

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August 20, 2014; 4:24 PM ET

While there may be a mix of sunshine and clouds over the area, Chicago is facing more rounds of thunderstorms over the next several days. more >

The History Behind the UV Index

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