• Tonight

    Mar 1

    Lo 8°

    Becoming clear and frigid

    Asthma Weather
    • Hi
      RealFeel
      29°
    • UV
      0 - Low
    • Air Qual.
      Good
  • Mon

    Mar 2

    26°Lo 22°

    Mostly sunny and cold

    Beneficial weather for asthma
    • Hi
      RealFeel
      34°
    • UV
      0 - Moderate
    • Air Qual.
      Good
    more
  • Tue

    Mar 3

    37°Lo 7°

    Snow mixing with rain; breezy

    Neutral weather for asthma
    • Hi
      RealFeel
      25°
    • UV
      0 - Low
    • Air Qual.
      Good
    more
  • Wed

    Mar 4

    15°Lo -3°

    Mainly cloudy and much colder

    Beneficial weather for asthma
    • Hi
      RealFeel
      -2°
    • UV
      0 - Moderate
    • Cloud
      Cover
      76%
    more
  • Thu

    Mar 5

    15°Lo 4°

    Mostly sunny and frigid

    Beneficial weather for asthma
    • Hi
      RealFeel
    • UV
      4 - Moderate
    • Cloud
      Cover
      11%
    more
Next Previous
Hi 26° RealFeel® 29° Precipitation 25%

Day

N

E

S

W

  • WSW 6 mph
  • Gusts: 20 mph

Mostly cloudy and cold

  • Max UV Index: 0 (Low)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 8° RealFeel® -5° Precipitation 0%

Night

N

E

S

W

  • WNW 10 mph
  • Gusts: 17 mph

Frigid; cloudy this evening, then partly cloudy late

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

Temperature History - Mar 1

more Historical Weather Data >
  Today Normal Record 3/1/2014
High 26° 36° N/A 20°
Low 18° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:29 AM with 11:14 of sunlight, then sets at 5:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:15 PM with 14:18 of moolight, then sets at 4:33 AM

Crystal Lake Weather Report

Chicago: Wintry Mix to Precede Harsh Cold

March 1, 2015; 5:52 PM ET

While Chicago will escape the brunt of a snowstorm moving from the Rockies to the Midwest, the city will still see some wintry precipitation early this week. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Sun. Air Quality

Sun. Asthma Risk

Sun. UV Index