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Weather for Alton, IL
Last Updated on Jan 20 2018, 11:55 pm CST
Right Now
novc.png
Overcast
38°
Dew Point: 37°
Humidity: 100%
Pressure: 29.98 in
Visibility: 7.00 miles
Winds: Southeast at 4.6 MPH (4 KT)
By the Hour
Dewpoint: 43°
3:00 AM
http://forecast.weather.gov/images/wtf/nra20.jpg
feels like
41°
Humidity: 92%
Wind: 9 mph
Dewpoint: 44°
6:00 AM
http://forecast.weather.gov/images/wtf/nra20.jpg
feels like
46°
Humidity: 93%
Wind: 9 mph
Dewpoint: 47°
9:00 AM
http://forecast.weather.gov/images/wtf/ra20.jpg
feels like
49°
Humidity: 93%
Wind: 11 mph
Dewpoint: 50°
12:00 PM
http://forecast.weather.gov/images/wtf/ra20.jpg
feels like
54°
Humidity: 86%
Wind: 13 mph
Dewpoint: 51°
3:00 PM
http://forecast.weather.gov/images/wtf/ra20.jpg
feels like
58°
Humidity: 78%
Wind: 14 mph
Dewpoint: 51°
6:00 PM
http://forecast.weather.gov/images/wtf/nra20.jpg
feels like
53°
Humidity: 93%
Wind: 13 mph
Dewpoint: 52°
9:00 PM
http://forecast.weather.gov/images/wtf/ntsra100.jpg
feels like
53°
Humidity: 97%
Wind: 14 mph
Find Weather

5 Day Forecast
Monday
High 55°
Low 32°
http://forecast.weather.gov/images/wtf/ra40.jpg
Tuesday
High 33°
Low 23°
http://forecast.weather.gov/images/wtf/few.jpg
Wednesday
High 38°
Low 22°
http://forecast.weather.gov/images/wtf/few.jpg
Thursday
High 49°
Low 24°
http://forecast.weather.gov/images/wtf/few.jpg
Friday
High 52°
Low 30°
http://forecast.weather.gov/images/wtf/sct.jpg
    By the Hour
    Dewpoint: 52°
    12:00 AM
    http://forecast.weather.gov/images/wtf/ntsra100.jpg
    feels like
    53°
    Humidity: 96%
    Wind: 15 mph
    Dewpoint: 51°
    3:00 AM
    http://forecast.weather.gov/images/wtf/nra100.jpg
    feels like
    53°
    Humidity: 93%
    Wind: 18 mph
    Dewpoint: 49°
    6:00 AM
    http://forecast.weather.gov/images/wtf/nra100.jpg
    feels like
    51°
    Humidity: 93%
    Wind: 10 mph
    Dewpoint: 46°
    9:00 AM
    http://forecast.weather.gov/images/wtf/ra40.jpg
    feels like
    51°
    Humidity: 83%
    Wind: 11 mph
    Dewpoint: 42°
    12:00 PM
    http://forecast.weather.gov/images/wtf/ra40.jpg
    feels like
    55°
    Humidity: 61%
    Wind: 13 mph
    Dewpoint: 35°
    3:00 PM
    http://forecast.weather.gov/images/wtf/ra40.jpg
    feels like
    50°
    Humidity: 56%
    Wind: 15 mph
    Dewpoint: 33°
    6:00 PM
    http://forecast.weather.gov/images/wtf/nra40.jpg
    feels like
    38°
    Humidity: 65%
    Wind: 13 mph
    Dewpoint: 33°
    9:00 PM
    http://forecast.weather.gov/images/wtf/nra30.jpg
    feels like
    32°
    Humidity: 76%
    Wind: 14 mph
    By the Hour
    Dewpoint: 31°
    12:00 AM
    http://forecast.weather.gov/images/wtf/nra30.jpg
    feels like
    28°
    Humidity: 79%
    Wind: 14 mph
    Dewpoint: 28°
    3:00 AM
    http://forecast.weather.gov/images/wtf/nrasn30.jpg
    feels like
    25°
    Humidity: 75%
    Wind: 15 mph
    Dewpoint: 26°
    6:00 AM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    feels like
    23°
    Humidity: 78%
    Wind: 13 mph
    Dewpoint: 25°
    9:00 AM
    http://forecast.weather.gov/images/wtf/bkn.jpg
    feels like
    23°
    Humidity: 75%
    Wind: 13 mph
    Dewpoint: 25°
    12:00 PM
    http://forecast.weather.gov/images/wtf/sct.jpg
    feels like
    29°
    Humidity: 61%
    Wind: 12 mph
    Dewpoint: 25°
    3:00 PM
    http://forecast.weather.gov/images/wtf/few.jpg
    feels like
    33°
    Humidity: 55%
    Wind: 12 mph
    Dewpoint: 25°
    6:00 PM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    feels like
    29°
    Humidity: 66%
    Wind: 7 mph
    By the Hour
    Dewpoint: 25°
    12:00 AM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    feels like
    25°
    Humidity: 82%
    Wind: 5 mph
    Dewpoint: 23°
    6:00 AM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    feels like
    22°
    Humidity: 85%
    Wind: 5 mph
    Dewpoint: 26°
    12:00 PM
    http://forecast.weather.gov/images/wtf/few.jpg
    feels like
    38°
    Humidity: 53%
    Wind: 7 mph
    Dewpoint: 25°
    6:00 PM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    feels like
    33°
    Humidity: 62%
    Wind: 5 mph
    By the Hour
    Dewpoint: 24°
    12:00 AM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    feels like
    30°
    Humidity: 78%
    Wind: 3 mph
    Dewpoint: 24°
    6:00 AM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    feels like
    24°
    Humidity: 81%
    Wind: 5 mph
    Dewpoint: 30°
    12:00 PM
    http://forecast.weather.gov/images/wtf/few.jpg
    feels like
    49°
    Humidity: 48%
    Wind: 9 mph
    Dewpoint: 30°
    6:00 PM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    feels like
    41°
    Humidity: 55%
    Wind: 9 mph
    By the Hour
    Dewpoint: 31°
    12:00 AM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    feels like
    35°
    Humidity: 70%
    Wind: 9 mph
    Dewpoint: 29°
    6:00 AM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    feels like
    30°
    Humidity: 75%
    Wind: 9 mph
    Dewpoint: 33°
    12:00 PM
    http://forecast.weather.gov/images/wtf/sct.jpg
    feels like
    52°
    Humidity: 48%
    Wind: 12 mph
    Dewpoint: 33°
    6:00 PM
    http://forecast.weather.gov/images/wtf/nra.jpg
    feels like
    47°
    Humidity: 58%
    Wind: 12 mph
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National Forecast

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