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Weather for Alton, IL
Last Updated on Aug 28 2016, 12:55 am CDT
Right Now
nskc.png
Fair
70°
Dew Point: 69°
Humidity: 98%
Pressure: 30.10 in
Visibility: 7.00 miles
Winds: East at 3.5 MPH (3 KT)
By the Hour
Dewpoint: 71°
4:00 AM
http://forecast.weather.gov/images/wtf/ntsra30.jpg
73°
Humidity: 94%
Wind: 3 mph
Dewpoint: 70°
7:00 AM
http://forecast.weather.gov/images/wtf/bkn.jpg
73°
Humidity: 90%
Wind: 3 mph
Dewpoint: 72°
10:00 AM
http://forecast.weather.gov/images/wtf/sct.jpg
81°
Humidity: 75%
Wind: 5 mph
Dewpoint: 71°
1:00 PM
http://forecast.weather.gov/images/wtf/scttsra30.jpg
87°
Humidity: 59%
Wind: 5 mph
Dewpoint: 71°
4:00 PM
http://forecast.weather.gov/images/wtf/scttsra30.jpg
89°
Humidity: 56%
Wind: 6 mph
Dewpoint: 72°
7:00 PM
http://forecast.weather.gov/images/wtf/scttsra30.jpg
86°
Humidity: 63%
Wind: 6 mph
Dewpoint: 72°
10:00 PM
http://forecast.weather.gov/images/wtf/nscttsra20.jpg
79°
Humidity: 79%
Wind: 4 mph
Find Weather

5 Day Forecast
Monday
High 89°
Low 72°
Tuesday
High 87°
Low 72°
Wednesday
High 84°
Low 70°
Thursday
High 82°
Low 64°
Friday
High 82°
Low 62°
    By the Hour
    Dewpoint: 72°
    1:00 AM
    http://forecast.weather.gov/images/wtf/nscttsra20.jpg
    77°
    Humidity: 85%
    Wind: 4 mph
    Dewpoint: 71°
    4:00 AM
    http://forecast.weather.gov/images/wtf/nscttsra20.jpg
    75°
    Humidity: 87%
    Wind: 4 mph
    Dewpoint: 70°
    7:00 AM
    http://forecast.weather.gov/images/wtf/tsra20.jpg
    74°
    Humidity: 87%
    Wind: 4 mph
    Dewpoint: 72°
    10:00 AM
    http://forecast.weather.gov/images/wtf/tsra30.jpg
    81°
    Humidity: 74%
    Wind: 5 mph
    Dewpoint: 72°
    1:00 PM
    http://forecast.weather.gov/images/wtf/tsra30.jpg
    86°
    Humidity: 63%
    Wind: 5 mph
    Dewpoint: 72°
    4:00 PM
    http://forecast.weather.gov/images/wtf/tsra30.jpg
    88°
    Humidity: 59%
    Wind: 6 mph
    Dewpoint: 72°
    7:00 PM
    http://forecast.weather.gov/images/wtf/bkn.jpg
    86°
    Humidity: 63%
    Wind: 6 mph
    Dewpoint: 71°
    10:00 PM
    http://forecast.weather.gov/images/wtf/nsct.jpg
    79°
    Humidity: 76%
    Wind: 5 mph
    By the Hour
    Dewpoint: 71°
    1:00 AM
    http://forecast.weather.gov/images/wtf/nsct.jpg
    76°
    Humidity: 85%
    Wind: 4 mph
    Dewpoint: 70°
    4:00 AM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    75°
    Humidity: 85%
    Wind: 4 mph
    Dewpoint: 69°
    7:00 AM
    http://forecast.weather.gov/images/wtf/tsra10.jpg
    73°
    Humidity: 87%
    Wind: 4 mph
    Dewpoint: 70°
    10:00 AM
    http://forecast.weather.gov/images/wtf/tsra30.jpg
    80°
    Humidity: 71%
    Wind: 4 mph
    Dewpoint: 70°
    1:00 PM
    http://forecast.weather.gov/images/wtf/tsra30.jpg
    85°
    Humidity: 61%
    Wind: 5 mph
    Dewpoint: 70°
    4:00 PM
    http://forecast.weather.gov/images/wtf/tsra30.jpg
    86°
    Humidity: 59%
    Wind: 6 mph
    Dewpoint: 71°
    7:00 PM
    http://forecast.weather.gov/images/wtf/tsra30.jpg
    84°
    Humidity: 66%
    Wind: 5 mph
    By the Hour
    Dewpoint: 70°
    1:00 AM
    http://forecast.weather.gov/images/wtf/ntsra20.jpg
    74°
    Humidity: 88%
    Wind: 4 mph
    Dewpoint: 68°
    7:00 AM
    http://forecast.weather.gov/images/wtf/tsra20.jpg
    71°
    Humidity: 90%
    Wind: 4 mph
    Dewpoint: 70°
    1:00 PM
    http://forecast.weather.gov/images/wtf/tsra30.jpg
    82°
    Humidity: 67%
    Wind: 5 mph
    Dewpoint: 69°
    7:00 PM
    http://forecast.weather.gov/images/wtf/tsra30.jpg
    78°
    Humidity: 74%
    Wind: 6 mph
    By the Hour
    Dewpoint: 68°
    1:00 AM
    http://forecast.weather.gov/images/wtf/ntsra20.jpg
    69°
    Humidity: 96%
    Wind: 7 mph
    Dewpoint: 62°
    7:00 AM
    http://forecast.weather.gov/images/wtf/sct.jpg
    66°
    Humidity: 87%
    Wind: 6 mph
    Dewpoint: 64°
    1:00 PM
    http://forecast.weather.gov/images/wtf/sct.jpg
    79°
    Humidity: 60%
    Wind: 9 mph
    Dewpoint: 63°
    7:00 PM
    http://forecast.weather.gov/images/wtf/sct.jpg
    76°
    Humidity: 64%
    Wind: 7 mph
    By the Hour
    Dewpoint: 62°
    1:00 AM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    67°
    Humidity: 84%
    Wind: 6 mph
    Dewpoint: 60°
    7:00 AM
    http://forecast.weather.gov/images/wtf/sct.jpg
    64°
    Humidity: 87%
    Wind: 6 mph
    Dewpoint: 64°
    1:00 PM
    http://forecast.weather.gov/images/wtf/few.jpg
    79°
    Humidity: 60%
    Wind: 7 mph
    Dewpoint: 65°
    7:00 PM
    http://forecast.weather.gov/images/wtf/few.jpg
    77°
    Humidity: 66%
    Wind: 7 mph
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