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Weather for Alton, IL
Last Updated on Jul 20 2017, 10:50 am CDT
Right Now
sct.png
Partly Cloudy
90°
Dew Point: 77°
Humidity: 67%
Pressure: 30.09 in
Visibility: 10.00 miles
Winds: West at 8.1 MPH (7 KT)
By the Hour
Dewpoint: 72°
1:00 PM
http://forecast.weather.gov/images/wtf/few.jpg
98°
Humidity: 43%
Wind: 10 mph
Dewpoint: 69°
4:00 PM
http://forecast.weather.gov/images/wtf/few.jpg
100°
Humidity: 37%
Wind: 9 mph
Dewpoint: 72°
7:00 PM
http://forecast.weather.gov/images/wtf/few.jpg
97°
Humidity: 45%
Wind: 7 mph
Dewpoint: 73°
10:00 PM
http://forecast.weather.gov/images/wtf/nfew.jpg
87°
Humidity: 63%
Wind: 5 mph
Find Weather

5 Day Forecast
Friday
High 100°
Low 79°
Saturday
High 102°
Low 76°
Sunday
High 95°
Low 70°
Monday
High 89°
Low 66°
Tuesday
High 88°
Low 67°
    By the Hour
    Dewpoint: 72°
    1:00 AM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    84°
    Humidity: 67%
    Wind: 4 mph
    Dewpoint: 73°
    4:00 AM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    79°
    Humidity: 82%
    Wind: 4 mph
    Dewpoint: 73°
    7:00 AM
    http://forecast.weather.gov/images/wtf/few.jpg
    79°
    Humidity: 82%
    Wind: 3 mph
    Dewpoint: 74°
    10:00 AM
    http://forecast.weather.gov/images/wtf/few.jpg
    91°
    Humidity: 58%
    Wind: 4 mph
    Dewpoint: 72°
    1:00 PM
    http://forecast.weather.gov/images/wtf/few.jpg
    98°
    Humidity: 44%
    Wind: 6 mph
    Dewpoint: 70°
    4:00 PM
    http://forecast.weather.gov/images/wtf/few.jpg
    100°
    Humidity: 38%
    Wind: 7 mph
    Dewpoint: 71°
    7:00 PM
    http://forecast.weather.gov/images/wtf/sct.jpg
    96°
    Humidity: 45%
    Wind: 6 mph
    Dewpoint: 72°
    10:00 PM
    http://forecast.weather.gov/images/wtf/nsct.jpg
    87°
    Humidity: 61%
    Wind: 5 mph
    By the Hour
    Dewpoint: 71°
    1:00 AM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    84°
    Humidity: 65%
    Wind: 5 mph
    Dewpoint: 72°
    4:00 AM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    80°
    Humidity: 77%
    Wind: 5 mph
    Dewpoint: 72°
    7:00 AM
    http://forecast.weather.gov/images/wtf/few.jpg
    80°
    Humidity: 77%
    Wind: 5 mph
    Dewpoint: 73°
    10:00 AM
    http://forecast.weather.gov/images/wtf/few.jpg
    91°
    Humidity: 55%
    Wind: 7 mph
    Dewpoint: 71°
    1:00 PM
    http://forecast.weather.gov/images/wtf/sct.jpg
    99°
    Humidity: 41%
    Wind: 9 mph
    Dewpoint: 71°
    4:00 PM
    http://forecast.weather.gov/images/wtf/few.jpg
    102°
    Humidity: 37%
    Wind: 9 mph
    Dewpoint: 71°
    7:00 PM
    http://forecast.weather.gov/images/wtf/scttsra10.jpg
    97°
    Humidity: 44%
    Wind: 7 mph
    By the Hour
    Dewpoint: 72°
    1:00 AM
    http://forecast.weather.gov/images/wtf/ntsra40.jpg
    82°
    Humidity: 72%
    Wind: 4 mph
    Dewpoint: 72°
    7:00 AM
    http://forecast.weather.gov/images/wtf/sct.jpg
    77°
    Humidity: 84%
    Wind: 4 mph
    Dewpoint: 71°
    1:00 PM
    http://forecast.weather.gov/images/wtf/tsra30.jpg
    93°
    Humidity: 49%
    Wind: 5 mph
    Dewpoint: 71°
    7:00 PM
    http://forecast.weather.gov/images/wtf/tsra30.jpg
    89°
    Humidity: 56%
    Wind: 5 mph
    By the Hour
    Dewpoint: 68°
    1:00 AM
    http://forecast.weather.gov/images/wtf/nsct.jpg
    78°
    Humidity: 71%
    Wind: 5 mph
    Dewpoint: 66°
    7:00 AM
    http://forecast.weather.gov/images/wtf/sct.jpg
    71°
    Humidity: 84%
    Wind: 5 mph
    Dewpoint: 64°
    1:00 PM
    http://forecast.weather.gov/images/wtf/few.jpg
    88°
    Humidity: 45%
    Wind: 6 mph
    Dewpoint: 62°
    7:00 PM
    http://forecast.weather.gov/images/wtf/few.jpg
    87°
    Humidity: 44%
    Wind: 6 mph
    By the Hour
    Dewpoint: 62°
    1:00 AM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    72°
    Humidity: 71%
    Wind: 5 mph
    Dewpoint: 61°
    7:00 AM
    http://forecast.weather.gov/images/wtf/sct.jpg
    69°
    Humidity: 76%
    Wind: 5 mph
    Dewpoint: 61°
    1:00 PM
    http://forecast.weather.gov/images/wtf/sct.jpg
    87°
    Humidity: 42%
    Wind: 6 mph
    Dewpoint: 61°
    7:00 PM
    http://forecast.weather.gov/images/wtf/few.jpg
    86°
    Humidity: 44%
    Wind: 6 mph
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