• Early AM

    May 4

    Lo 59°

    A couple of showers and thunderstorms

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Today

    May 4

    72°Lo 52°

    Cloudy, a couple of t-storms

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Tue

    May 5

    67°Lo 52°

    Cloudy, a couple of t-storms

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Wed

    May 6

    80°Lo 58°

    Warmer with a shower or two

    Low ragweed pollen levels
    • Precip
      59%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      31%
    more
  • Thu

    May 7

    83°Lo 63°

    Mostly sunny and very warm

    Low ragweed pollen levels
    • Precip
      21%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      24%
    more
Next Previous
Hi 72° RealFeel® 74° Precipitation 64%

Day

N

E

S

W

  • NW 8 mph
  • Gusts: 15 mph

Cloudy with a couple of showers and a thunderstorm

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.48 in
  • Rain: 0.48 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs
Lo 52° RealFeel® 42° Precipitation 74%

Night

N

E

S

W

  • NE 9 mph
  • Gusts: 14 mph

Overcast with a couple of showers and a heavy thunderstorm, mainly later

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 1.12 in
  • Rain: 1.12 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs

St. Charles Pollen Levels - May 4

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2014
High 72° 67° N/A 58°
Low 52° 46° N/A 42°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 14:09 of sunlight, then sets at 7:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:34 PM with 10:22 of moolight, then sets at 6:56 AM

St. Charles Weather Report

Chicago: Temperature Roller Coaster in Store for New Week

May 4, 2015; 12:07 AM ET

The month of May has opened the door for warm air to flow into the Chicago area following a cool end to April. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps