• Early AM

    May 27

    Lo 61°

    A shower or thunderstorm

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

    May 27

    76°Lo 57°

    An a.m. t-storm; partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
  • Thu

    May 28

    80°Lo 61°

    Sunny, nice and warm

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

    May 29

    81°Lo 54°

    A t-storm in the afternoon

    Low ragweed pollen levels
    • Precip
      55%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      54%
    more
  • Sat

    May 30

    57°Lo 42°

    Cooler with a touch of rain

    Low ragweed pollen levels
    • Precip
      55%
    • Wind
      Speed
      16 mph
    • Cloud
      Cover
      78%
    more
Next Previous
Hi 76° RealFeel® 81° Precipitation 55%

Day

N

E

S

W

  • W 9 mph
  • Gusts: 15 mph

A morning shower or thunderstorm around; otherwise, sun and some clouds

  • Max UV Index: 6 (High)
  • Thunderstorms: 40%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 57° RealFeel® 56° Precipitation 25%

Night

N

E

S

W

  • SW 5 mph
  • Gusts: 8 mph

Mostly clear

  • 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

Lake Forest Pollen Levels - May 27

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - May 27

more Historical Weather Data >
  Today Normal Record 5/27/2014
High 76° 70° N/A 83°
Low 57° 50° N/A 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:20 AM with 14:57 of sunlight, then sets at 8:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:28 PM with 12:10 of moolight, then sets at 2:38 AM

Lake Forest Weather Report

Chicago: Temperatures to Take Dramatic Swing at Late Week

May 27, 2015; 4:24 AM ET

Following the chance for early-week storms, temperatures in the Chicago area will be on a roller coaster leading into the weekend. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps