• Today

    Sep 2

    81°Lo 60°

    A thunderstorm in spots

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

    Sep 3

    82°Lo 69°

    Partly sunny

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

    Sep 4

    89°Lo 71°

    Times of clouds and sun

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

    Sep 5

    76°Lo 57°

    A couple of t-storms; cooler

    High ragweed pollen levels
    • Precip
      60%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      76%
    more
  • Sat

    Sep 6

    71°Lo 53°

    Mostly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      11%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      15%
    more
Next Previous
Hi 81° RealFeel® 84° Precipitation 40%

Day

N

E

S

W

  • WSW 4 mph
  • Gusts: 9 mph

A shower or thunderstorm in spots this morning; otherwise, periods of clouds and sunshine

  • Max UV Index: 6 (High)
  • Thunderstorms: 40%
  • 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 60° RealFeel® 59° Precipitation 3%

Night

N

E

S

W

  • N 2 mph
  • Gusts: 3 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Lake Forest Pollen Levels - September 2

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    High

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2013
High 81° 78° N/A 72°
Low 60° 59° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:17 AM with 13:07 of sunlight, then sets at 7:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:09 PM with 10:00 of moolight, then sets at 12:09 AM

Top Story

Lake Forest Weather Report

Chicago: Cooler, Less Humid Air to Return by Late Week

September 2, 2014; 4:05 AM 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 >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps