• Early AM

    Sep 2

    Lo 65°

    Partly to mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Sep 2

    81°Lo 63°

    Periods of sun; less humid

    High ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
    more
  • Wed

    Sep 3

    83°Lo 70°

    Partly sunny

    High ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Sep 4

    88°Lo 73°

    Times of clouds and sun

    High ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      66%
    more
  • Fri

    Sep 5

    79°Lo 62°

    Not as warm with t-storms

    Ragweed Pollen Weather
    • Precip
      65%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      87%
Next Previous
Hi 79° RealFeel® 80° Precipitation 65%

Day

N

E

S

W

  • NNE 8 mph
  • Gusts: 13 mph

Variable cloudiness with showers and thunderstorms; not as warm

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.31 in
  • Rain: 0.31 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 5 hrs
  • Hours of Rain: 5 hrs
Lo 62° RealFeel® 57° Precipitation 18%

Night

N

E

S

W

  • NE 7 mph
  • Gusts: 10 mph

Mostly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 5

more Historical Weather Data >
  Today Normal Record 9/5/2013
High 79° 79° 98° (1899) 74°
Low 62° 59° 44° (1988) 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:20 AM with 13:01 of sunlight, then sets at 7:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:00 PM with 10:12 of moolight, then sets at 2:12 AM

Top Story

Arlington Heights 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 >

Fri. Dust & Dander

Fri. Wind Maps