, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Today

      Sep 25

      83° /54°F
      A heavy afternoon t-storm
      • Poor
      • for home energy
      • Avg RealFeel: 71°
      • Hi RealFeel: 89°
      • Wind Speed: 10 mph
    • Mon

      Sep 26

      66° /44°
      Breezy with clouds and sun
      • Poor
      • for home energy
      • Avg RealFeel: 54°
      • Hi RealFeel: 65°
      • Wind Speed: 14 mph
      More
    • Tue

      Sep 27

      64° /46°
      Cool with sun and some clouds
      • Poor
      • for home energy
      • Avg RealFeel: 53°
      • Hi RealFeel: 64°
      • Wind Speed: 12 mph
      More
    • Wed

      Sep 28

      63° /52°
      A morning shower in places
      • Poor
      • for home energy
      • Avg RealFeel: 57°
      • Hi RealFeel: 64°
      • Wind Speed: 9 mph
      More
    • Thu

      Sep 29

      69° /52°
      Sunny much of the time
      • Poor
      • for home energy
      • Avg RealFeel: 61°
      • Hi RealFeel: 71°
      • Wind Speed: 8 mph
      More
    Sunday
    5pm
    6pm
    7pm
    8pm
    9pm
    10pm
    11pm
    12am
    Forecast Partly Cloudy Mostly Cloudy T-storms Cloudy T-storms Cloudy Cloudy Cloudy
    Temp (°F) 78° 76° 73° 72° 69° 67° 66° 65°
    RealFeel® 78° 75° 67° 70° 63° 65° 63° 62°
    Wind (mph) 12 S 10 S 9 S 9 SSW 9 WSW 9 W 9 WNW 9 WNW
    precip
    5pm
    6pm
    7pm
    8pm
    9pm
    10pm
    11pm
    12am
    Rain
    43%
    47%
    51%
    43%
    51%
    47%
    33%
    33%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    5pm
    6pm
    7pm
    8pm
    9pm
    10pm
    11pm
    12am
    UV Index 1 0 0 0 0 0 0 0
    Cloud Cover 74% 82% 90% 95% 98% 100% 99% 98%
    Humidity 67% 72% 76% 69% 87% 87% 85% 87%
    Dew Point 67° 66° 65° 62° 65° 63° 61° 61°
    Temp °F
    5pm
    6pm
    7pm
    8pm
    9pm
    10pm
    11pm
    12am
    80° 75° 70° 65°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/25/2015
    High 83° 71° 85° (2007) 75°
    Low 54° 50° 38° (2001) 55°

    Sunrise/Sunset

    • Sunrise: 6:45 AM
    • Sunset: 6:44 PM
    • Duration: 11:59 hr

    Moonrise/Moonset

    • Moonrise: 1:20 AM
    • Moonset: 3:54 PM
    • Duration: 14:34 hr
    Astronomy

    St. Charles Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 25, 2016; 1:13 PM ET

    Gusty winds will accompany a push of chilly air across the Great Lakes from Sunday night through Tuesday. More >

    Sun. Home Energy Efficiency

    Sun. Degree Days

    Sun. UV Index