• Today

    Jul 31

    85°Lo 58°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Sat

    Aug 1

    84°Lo 66°

    Mostly sunny and nice

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
  • Sun

    Aug 2

    86°Lo 64°

    A strong thunderstorm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Mon

    Aug 3

    83°Lo 59°

    A morning t-storm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Tue

    Aug 4

    82°Lo 62°

    Nice with clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
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Forecast
Sunny
Sunny
Sunny
Sunny
Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 71° 76° 79° 81° 82° 83° 84° 83°
RealFeel® 73° 79° 84° 85° 86° 87° 87° 84°
Humidity 63% 57% 53% 47% 44% 42% 42% 41%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 7 W 8 WNW 8 WNW 9 W 10 W 10 W 12 W 12 W
UV Index 3 4 6 7 7 7 6 4
Cloud Cover 2% 0% 0% 0% 0% 26% 26% 26%
Dew Point 58° 59° 61° 59° 59° 58° 59° 58°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2014
High 84° 83° N/A 83°
Low 66° 64° N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:47 AM with 14:25 of sunlight, then sets at 8:12 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:55 PM with 11:31 of moolight, then sets at 8:26 AM

St. Charles Weather Report

Chicago: Unsettled Weather to Make Early-Week Return

July 31, 2015; 2:37 PM ET

Temperatures will stay in the 80s, with the daytime high slowly working its way into the low 80s by Monday. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps