• Tue

    Sep 30

    56°Lo 43°

    Increasing clouds, showers

    Ragweed Pollen Weather
    • Precip
      65%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      3%
    more
  • Wed

    Oct 1

    59°Lo 41°

    A shower in the afternoon

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      11%
  • Thu

    Oct 2

    59°Lo 51°

    Times of clouds and sun

    Ragweed Pollen Weather
    • Precip
      10%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      59%
    more
  • Fri

    Oct 3

    63°Lo 45°

    Clouds, a shower in the p.m.

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      88%
    more
  • Sat

    Oct 4

    59°Lo 51°

    Mostly cloudy

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      71%
    more
Next Previous
Hi 59° RealFeel® 61° Precipitation 55%

Day

N

E

S

W

  • NNE 4 mph
  • Gusts: 10 mph

Mostly sunny with a shower in the afternoon

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.09 in
  • Rain: 0.09 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 41° RealFeel® 37° Precipitation 55%

Night

N

E

S

W

  • ESE 4 mph
  • Gusts: 11 mph

An evening shower; otherwise, mainly clear

  • Max UV Index: N/A
  • Thunderstorms: 26%
  • Precipitation: 0.09 in
  • Rain: 0.09 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Oct 1

more Historical Weather Data >
  Today Normal Record 10/1/2013
High 59° 66° N/A 81°
Low 41° 42° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:49 AM with 11:48 of sunlight, then sets at 6:37 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:02 PM with 9:59 of moolight, then sets at 11:01 PM

Top Story

Crystal Lake Weather Report

Chicago: Cooler, Fall-Like Temperatures to Linger

September 15, 2014; 9:18 AM ET

The cooler, below-average conditions responsible for the fall-like feel will hold through the end of the week over the Chicago area. more >