• Today

    Aug 1

    84°Lo 69°

    Mostly sunny and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Sun

    Aug 2

    84°Lo 66°

    A strong thunderstorm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Mon

    Aug 3

    81°Lo 63°

    Clouds and sun; less humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
  • Tue

    Aug 4

    79°Lo 62°

    Partly sunny and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Wed

    Aug 5

    74°Lo 62°

    Partly sunny and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 81° RealFeel® 83° Precipitation 16%

Day

N

E

S

W

  • W 9 mph
  • Gusts: 14 mph

Less humid with periods of sun

  • Max UV Index: 7 (High)
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 63° RealFeel® 62° Precipitation 25%

Night

N

E

S

W

  • N 6 mph
  • Gusts: 12 mph

Mainly clear

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

Temperature History - Aug 3

more Historical Weather Data >
  Today Normal Record 8/3/2014
High 81° 81° N/A 87°
Low 63° 64° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 14:23 of sunlight, then sets at 8:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:07 PM with 12:41 of moolight, then sets at 10:48 AM

Lake Forest Weather Report

Chicago: Cooler Weather to Move in Midweek

August 1, 2015; 9:27 AM ET

After a warm start to the week, a trend toward cooler temperatures can be expected. more >

Mon. Dust & Dander

Mon. Wind Maps