• Today

    Sep 1

    81°Lo 62°

    A strong afternoon t-storm

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

    Sep 2

    80°Lo 59°

    Periods of sun; less humid

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

    Sep 3

    85°Lo 71°

    Partly sunny

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

    Sep 4

    87°Lo 70°

    Partly sunny, warm and humid

    High ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      69%
    more
  • Fri

    Sep 5

    79°Lo 57°

    Mostly cloudy, t-storms; warm

    Ragweed Pollen Weather
    • Precip
      67%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      83%
    more
Next Previous
Hi 81° RealFeel® 84° Precipitation 55%

Day

N

E

S

W

  • SSW 12 mph
  • Gusts: 23 mph

A strong thunderstorm this afternoon; storms can bring downpours, large hail and damaging winds

  • Max UV Index: 2 (Low)
  • Thunderstorms: 91%
  • Precipitation: 0.17 in
  • Rain: 0.17 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 62° RealFeel® 60° Precipitation 55%

Night

N

E

S

W

  • WNW 4 mph
  • Gusts: 10 mph

Partly cloudy with a shower or thunderstorm early this evening, turning less humid late

  • Max UV Index: N/A
  • Thunderstorms: 91%
  • 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

Mchenry Pollen Levels - September 1

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

    Pollen

    Low

  • Weed

    Pollen

    High

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2013
High 81° 78° N/A 82°
Low 62° 55° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:18 AM with 13:10 of sunlight, then sets at 7:28 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:11 PM with 10:09 of moolight, then sets at 11:20 PM

Top Story

Mchenry Weather Report

Severe Storms to Threaten Chicago on Labor Day

September 1, 2014; 4:02 AM ET

Chicago will become the target of severe thunderstorms as the Labor Day holiday weekend comes to an end, creating dangers for those with outdoor plans. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps