• Today

    Jul 24

    75°Lo 56°

    Mostly sunny and pleasant

    Frizz Forecast Weather
    • Wind
      Gust
      10 mph
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Fri

    Jul 25

    77°Lo 65°

    A couple of thunderstorms

    Frizz Forecast Weather
    • Wind
      Gust
      14 mph
    • Precip
      60%
    • Hours of Precip
      4.5
  • Sat

    Jul 26

    87°Lo 67°

    A t-storm in spots; warmer

    Frizz Forecast Weather
    • Wind
      Gust
      11 mph
    • Precip
      41%
    • Hours of Precip
      3
    more
  • Sun

    Jul 27

    84°Lo 60°

    Periods of sun with a shower

    Frizz Forecast Weather
    • Wind
      Gust
      18 mph
    • Precip
      55%
    • Hours of Precip
      1.5
    more
  • Mon

    Jul 28

    73°Lo 56°

    Partly sunny; breezy, cooler

    Frizz Forecast Weather
    • Wind
      Gust
      25 mph
    • Precip
      7%
    • Hours of Precip
      0
    more
Next Previous
Hi 77° RealFeel® 76° Precipitation 60%

Day

N

E

S

W

  • S 8 mph
  • Gusts: 14 mph

Mostly cloudy with a couple of showers and a thunderstorm

  • Max UV Index: 6 (High)
  • Thunderstorms: 40%
  • Precipitation: 0.2 in
  • Rain: 0.2 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 65° RealFeel® 61° Precipitation 62%

Night

N

E

S

W

  • SSW 7 mph
  • Gusts: 12 mph

Mostly cloudy with a couple of thunderstorms around

  • Max UV Index: N/A
  • Thunderstorms: 90%
  • Precipitation: 0.34 in
  • Rain: 0.34 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs

Temperature History - Jul 25

more Historical Weather Data >
  Today Normal Record 7/25/2013
High 77° 84° 101° (1940) 81°
Low 65° 64° 53° (1911) 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:38 AM with 14:40 of sunlight, then sets at 8:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:38 AM with 14:36 of moolight, then sets at 7:14 PM

Top Story

Arlington Heights Weather Report

Chicago: Cooler, Less Humid to Close Out Week

July 24, 2014; 4:52 AM ET

The second half of the week looks to be noticeably cooler and less humid in the Chicago area. 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.

Fri. Hair Frizz

Fri. Wind Maps

Fri. UV Index