• Today

    Sep 21

    64°Lo 40°

    Cooler with clouds and sun

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

    Sep 22

    66°Lo 46°

    Mostly sunny

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

    Sep 23

    72°Lo 49°

    Mostly sunny and nice

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

    Sep 24

    74°Lo 50°

    Sunny and nice

    Moderate ragweed pollen levels
    • Precip
      10%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      10%
    more
  • Thu

    Sep 25

    76°Lo 51°

    Mostly sunny and beautiful

    Ragweed Pollen Weather
    • Precip
      12%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      25%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9pm
10pm 11pm Mon
12am
1am 2am 3am 4am
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Forecast
Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 54° 52° 50° 49° 47° 45° 44° 43°
RealFeel® 50° 49° 47° 47° 45° 44° 43° 42°
Humidity 75% 77% 80% 83% 85% 86% 87% 88%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Rain
 
20%
 
20%
 
20%
 
20%
 
13%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (mph) 6 N 5 N 4 N 4 N 4 N 4 NNW 3 NNW 3 NNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 9% 11% 11% 11% 11% 11% 11% 11%
Dew Point 46° 45° 44° 44° 43° 41° 41° 40°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 64° 73° N/A 68°
Low 40° 52° N/A 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 12:14 of sunlight, then sets at 6:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:11 AM with 13:19 of moolight, then sets at 5:30 PM

Top Story

Saint Charles Weather Report

Drier Air Heads into Chicago Following Storms

September 21, 2014; 5:00 AM ET

After storms clipped Chicagoland early Sunday, drier air will filter into the area for the rest of the week. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps