• Tonight

    Aug 21

    Lo 73°

    Showers and a heavier t-storm

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
  • Fri

    Aug 22

    89°Lo 70°

    Clouds and sun with a t-storm

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Aug 23

    86°Lo 70°

    A p.m. t-storm possible

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Sun

    Aug 24

    91°Lo 73°

    Partly sunny, hot and humid

    Moderate ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      48%
    more
  • Mon

    Aug 25

    90°Lo 69°

    An afternoon thunderstorm

    Ragweed Pollen Weather
    • Precip
      51%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      26%
    more
Next Previous
Hi 80° RealFeel® 90° Precipitation 75%

Day

N

E

S

W

  • SSW 6 mph
  • Gusts: 14 mph

Mostly cloudy and humid

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.61 in
  • Rain: 0.61 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 5 hrs
  • Hours of Rain: 5 hrs
Lo 73° RealFeel® 72° Precipitation 67%

Night

N

E

S

W

  • SSW 5 mph
  • Gusts: 12 mph

Showers and a heavier thunderstorm; clouds breaking, warm and humid; watch for flash flooding

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.79 in
  • Rain: 0.79 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs

Streamwood Pollen Levels - August 21

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

    Pollen

    Low

  • Weed

    Pollen

    Moderate

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 80° 82° 99° (1955) 90°
Low 73° 63° 46° (1950) 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:06 AM with 13:38 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:35 AM with 14:39 of moolight, then sets at 5:14 PM

Top Story

Streamwood Weather Report

Chicago: Threat of Thunderstorms Lingers After Heavy Rains Flood Wrigley Field

August 21, 2014; 12:59 PM ET

While there may be a mix of sunshine and clouds over the area, Chicago is facing more rounds of thunderstorms over the next several days. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps