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Weather for Alton, IL
Last Updated on Dec 17 2014, 7:50 pm CST
Right Now
nskc.png
Clear
28°
Dew Point: 24°
Humidity: 86%
Pressure: 30.30 in
Visibility: 10.00 miles
Winds: Northeast at 5.8 MPH (5 KT)
By the Hour
Dewpoint: 23°
9:00 PM
http://forecast.weather.gov/images/wtf/nbkn.jpg
feels like
32°
Humidity: 69%
Wind: 2 mph
Find Weather

6 Day Forecast
Thursday
High 34°
Low 28°
http://forecast.weather.gov/images/wtf/mix80.jpg
Friday
High 35°
Low 27°
http://forecast.weather.gov/images/wtf/bkn.jpg
Saturday
High 38°
Low 25°
http://forecast.weather.gov/images/wtf/bkn.jpg
Sunday
High 32°
Low 25°
http://forecast.weather.gov/images/wtf/bkn.jpg
Monday
High 35°
Low 27°
http://forecast.weather.gov/images/wtf/ra30.jpg
Tuesday
High 35°
Low 30°
http://forecast.weather.gov/images/wtf/ra40.jpg
    By the Hour
    Dewpoint: 22°
    12:00 AM
    http://forecast.weather.gov/images/wtf/nsn20.jpg
    feels like
    32°
    Humidity: 66%
    Wind: 3 mph
    Dewpoint: 23°
    3:00 AM
    http://forecast.weather.gov/images/wtf/nsn20.jpg
    feels like
    31°
    Humidity: 72%
    Wind: 3 mph
    Dewpoint: 24°
    6:00 AM
    http://forecast.weather.gov/images/wtf/nsn20.jpg
    feels like
    30°
    Humidity: 78%
    Wind: 3 mph
    Dewpoint: 25°
    9:00 AM
    http://forecast.weather.gov/images/wtf/sn80.jpg
    feels like
    28°
    Humidity: 78%
    Wind: 4 mph
    Dewpoint: 26°
    12:00 PM
    http://forecast.weather.gov/images/wtf/mix80.jpg
    feels like
    33°
    Humidity: 75%
    Wind: 3 mph
    Dewpoint: 27°
    3:00 PM
    http://forecast.weather.gov/images/wtf/mix80.jpg
    feels like
    34°
    Humidity: 75%
    Wind: 3 mph
    Dewpoint: 27°
    6:00 PM
    http://forecast.weather.gov/images/wtf/novc.jpg
    feels like
    29°
    Humidity: 81%
    Wind: 4 mph
    Dewpoint: 27°
    9:00 PM
    http://forecast.weather.gov/images/wtf/novc.jpg
    feels like
    31°
    Humidity: 85%
    Wind: 3 mph
    By the Hour
    Dewpoint: 26°
    12:00 AM
    http://forecast.weather.gov/images/wtf/novc.jpg
    feels like
    30°
    Humidity: 85%
    Wind: 3 mph
    Dewpoint: 26°
    3:00 AM
    http://forecast.weather.gov/images/wtf/novc.jpg
    feels like
    30°
    Humidity: 85%
    Wind: 3 mph
    Dewpoint: 25°
    6:00 AM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    feels like
    29°
    Humidity: 85%
    Wind: 3 mph
    Dewpoint: 26°
    9:00 AM
    http://forecast.weather.gov/images/wtf/bkn.jpg
    feels like
    27°
    Humidity: 85%
    Wind: 4 mph
    Dewpoint: 27°
    12:00 PM
    http://forecast.weather.gov/images/wtf/bkn.jpg
    feels like
    31°
    Humidity: 75%
    Wind: 4 mph
    Dewpoint: 27°
    3:00 PM
    http://forecast.weather.gov/images/wtf/bkn.jpg
    feels like
    35°
    Humidity: 72%
    Wind: 3 mph
    Dewpoint: 27°
    6:00 PM
    http://forecast.weather.gov/images/wtf/novc.jpg
    feels like
    29°
    Humidity: 78%
    Wind: 5 mph
    Dewpoint: 27°
    9:00 PM
    http://forecast.weather.gov/images/wtf/novc.jpg
    feels like
    29°
    Humidity: 81%
    Wind: 4 mph
    By the Hour
    Dewpoint: 27°
    12:00 AM
    http://forecast.weather.gov/images/wtf/novc.jpg
    feels like
    28°
    Humidity: 85%
    Wind: 4 mph
    Dewpoint: 27°
    3:00 AM
    http://forecast.weather.gov/images/wtf/novc.jpg
    feels like
    27°
    Humidity: 89%
    Wind: 4 mph
    Dewpoint: 26°
    6:00 AM
    http://forecast.weather.gov/images/wtf/novc.jpg
    feels like
    25°
    Humidity: 88%
    Wind: 4 mph
    Dewpoint: 27°
    9:00 AM
    http://forecast.weather.gov/images/wtf/bkn.jpg
    feels like
    31°
    Humidity: 85%
    Wind: 3 mph
    Dewpoint: 28°
    12:00 PM
    http://forecast.weather.gov/images/wtf/bkn.jpg
    feels like
    36°
    Humidity: 72%
    Wind: 3 mph
    Dewpoint: 28°
    3:00 PM
    http://forecast.weather.gov/images/wtf/bkn.jpg
    feels like
    38°
    Humidity: 67%
    Wind: 3 mph
    Dewpoint: 28°
    6:00 PM
    http://forecast.weather.gov/images/wtf/nsct.jpg
    feels like
    31°
    Humidity: 78%
    Wind: 4 mph
    By the Hour
    Dewpoint: 24°
    12:00 AM
    http://forecast.weather.gov/images/wtf/nsct.jpg
    feels like
    28°
    Humidity: 75%
    Wind: 4 mph
    Dewpoint: 25°
    6:00 AM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    feels like
    25°
    Humidity: 84%
    Wind: 4 mph
    Dewpoint: 29°
    12:00 PM
    http://forecast.weather.gov/images/wtf/bkn.jpg
    feels like
    32°
    Humidity: 73%
    Wind: 6 mph
    Dewpoint: 31°
    6:00 PM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    feels like
    32°
    Humidity: 78%
    Wind: 6 mph
    By the Hour
    Dewpoint: 30°
    12:00 AM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    feels like
    30°
    Humidity: 81%
    Wind: 6 mph
    Dewpoint: 31°
    6:00 AM
    http://forecast.weather.gov/images/wtf/nrasn10.jpg
    feels like
    27°
    Humidity: 92%
    Wind: 7 mph
    Dewpoint: 35°
    12:00 PM
    http://forecast.weather.gov/images/wtf/ra30.jpg
    feels like
    34°
    Humidity: 79%
    Wind: 12 mph
    Dewpoint: 36°
    6:00 PM
    http://forecast.weather.gov/images/wtf/nra30.jpg
    feels like
    35°
    Humidity: 82%
    Wind: 10 mph
    By the Hour
    Dewpoint: 38°
    12:00 AM
    http://forecast.weather.gov/images/wtf/nrasn40.jpg
    feels like
    33°
    Humidity: 96%
    Wind: 9 mph
    Dewpoint: 37°
    6:00 AM
    http://forecast.weather.gov/images/wtf/nrasn40.jpg
    feels like
    34°
    Humidity: 96%
    Wind: 6 mph
    Dewpoint: 36°
    12:00 PM
    http://forecast.weather.gov/images/wtf/ra40.jpg
    feels like
    35°
    Humidity: 82%
    Wind: 10 mph
    Dewpoint: 32°
    6:00 PM
    http://forecast.weather.gov/images/wtf/nrasn40.jpg
    feels like
    30°
    Humidity: 82%
    Wind: 10 mph
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Colored Legend for rainfall intensity    Colored Legend for mixed precipitation intensity    Colored Legend for snowfall intensity
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National Forecast

200 W. Third Street | Alton, IL 62002
Suite 200
618.465.9850