• Today

    Aug 4

    81°Lo 55°

    Mostly sunny and pleasant

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      84°
    • UV
      5 - High
    • Cloud
      Cover
      20%
    more
  • Wed

    Aug 5

    82°Lo 61°

    Increasing clouds

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      89°
    • UV
      5 - High
    • Cloud
      Cover
      57%
    more
  • Thu

    Aug 6

    81°Lo 61°

    Mostly cloudy

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      84°
    • UV
      5 - High
    • Cloud
      Cover
      76%
    more
  • Fri

    Aug 7

    81°Lo 64°

    Partly sunny with a t-storm

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      87°
    • UV
      4 - Moderate
    • Cloud
      Cover
      69%
  • Sat

    Aug 8

    85°Lo 64°

    Partly sunny and humid

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      91°
    • UV
      5 - High
    • Cloud
      Cover
      36%
    more
Next Previous
Hi 81° RealFeel® 87° Precipitation 55%

Day

N

E

S

W

  • SE 7 mph
  • Gusts: 10 mph

Periods of clouds and sunshine with a shower or thunderstorm around; humid

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 0.1 in
  • Rain: 0.1 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 64° RealFeel® 65° Precipitation 18%

Night

N

E

S

W

  • SSW 5 mph
  • Gusts: 8 mph

Patchy clouds

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • 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 7

more Historical Weather Data >
  Today Normal Record 8/7/2014
High 81° 80° N/A 79°
Low 64° 59° N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:52 AM with 14:14 of sunlight, then sets at 8:06 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:01 AM with 14:14 of moolight, then sets at 2:15 PM

Mchenry Weather Report

Chicago: Cooler Conditions to Last Through Week

August 4, 2015; 4:40 AM ET

The Chicagoland area will experience cooler weather throughout the week. more >

New Year, New You

Dec 24, 2012; 5:00 AM ET Start 2013 right with these tips on how to set realistic New Year's resolutions!

Fri. Sinus Headache

Fri. UV Index