Shop Local - Where you will always get the best deals in the riverbend.
Weather for Alton, IL
Last Updated on Sep 26 2017, 8:47 am CDT
Right Now
skc.png
Clear
73°
Dew Point: 66°
Humidity: 78%
Pressure: 30.01 in
Visibility: 10.00 miles
Winds: Calm
By the Hour
Dewpoint: 67°
10:00 AM
http://forecast.weather.gov/images/wtf/sct.jpg
81°
Humidity: 63%
Wind: 7 mph
Dewpoint: 64°
1:00 PM
http://forecast.weather.gov/images/wtf/sct.jpg
88°
Humidity: 45%
Wind: 10 mph
Dewpoint: 63°
4:00 PM
http://forecast.weather.gov/images/wtf/sct.jpg
89°
Humidity: 42%
Wind: 9 mph
Dewpoint: 65°
7:00 PM
http://forecast.weather.gov/images/wtf/nbkn.jpg
82°
Humidity: 56%
Wind: 5 mph
Dewpoint: 66°
10:00 PM
http://forecast.weather.gov/images/wtf/nbkn.jpg
76°
Humidity: 71%
Wind: 5 mph
Find Weather

5 Day Forecast
Wednesday
High 76°
Low 53°
Thursday
High 77°
Low 53°
Friday
High 78°
Low 49°
Saturday
High 74°
Low 49°
Sunday
High 75°
Low 54°
    By the Hour
    Dewpoint: 65°
    1:00 AM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    72°
    Humidity: 79%
    Wind: 5 mph
    Dewpoint: 63°
    4:00 AM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    68°
    Humidity: 84%
    Wind: 7 mph
    Dewpoint: 60°
    7:00 AM
    http://forecast.weather.gov/images/wtf/bkn.jpg
    65°
    Humidity: 84%
    Wind: 7 mph
    Dewpoint: 59°
    10:00 AM
    http://forecast.weather.gov/images/wtf/bkn.jpg
    68°
    Humidity: 73%
    Wind: 7 mph
    Dewpoint: 56°
    1:00 PM
    http://forecast.weather.gov/images/wtf/bkn.jpg
    74°
    Humidity: 53%
    Wind: 7 mph
    Dewpoint: 53°
    4:00 PM
    http://forecast.weather.gov/images/wtf/sct.jpg
    76°
    Humidity: 44%
    Wind: 9 mph
    Dewpoint: 52°
    7:00 PM
    http://forecast.weather.gov/images/wtf/nsct.jpg
    70°
    Humidity: 53%
    Wind: 7 mph
    Dewpoint: 50°
    10:00 PM
    http://forecast.weather.gov/images/wtf/nsct.jpg
    64°
    Humidity: 60%
    Wind: 6 mph
    By the Hour
    Dewpoint: 49°
    1:00 AM
    http://forecast.weather.gov/images/wtf/nsct.jpg
    59°
    Humidity: 70%
    Wind: 5 mph
    Dewpoint: 49°
    4:00 AM
    http://forecast.weather.gov/images/wtf/nsct.jpg
    56°
    Humidity: 77%
    Wind: 5 mph
    Dewpoint: 48°
    7:00 AM
    http://forecast.weather.gov/images/wtf/sct.jpg
    53°
    Humidity: 83%
    Wind: 5 mph
    Dewpoint: 49°
    10:00 AM
    http://forecast.weather.gov/images/wtf/few.jpg
    66°
    Humidity: 54%
    Wind: 6 mph
    Dewpoint: 46°
    1:00 PM
    http://forecast.weather.gov/images/wtf/few.jpg
    74°
    Humidity: 37%
    Wind: 6 mph
    Dewpoint: 44°
    4:00 PM
    http://forecast.weather.gov/images/wtf/few.jpg
    77°
    Humidity: 31%
    Wind: 7 mph
    Dewpoint: 46°
    7:00 PM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    70°
    Humidity: 42%
    Wind: 5 mph
    By the Hour
    Dewpoint: 48°
    1:00 AM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    59°
    Humidity: 67%
    Wind: 3 mph
    Dewpoint: 48°
    7:00 AM
    http://forecast.weather.gov/images/wtf/few.jpg
    54°
    Humidity: 80%
    Wind: 4 mph
    Dewpoint: 50°
    1:00 PM
    http://forecast.weather.gov/images/wtf/few.jpg
    77°
    Humidity: 39%
    Wind: 9 mph
    Dewpoint: 43°
    7:00 PM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    70°
    Humidity: 38%
    Wind: 7 mph
    By the Hour
    Dewpoint: 44°
    1:00 AM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    56°
    Humidity: 64%
    Wind: 5 mph
    Dewpoint: 45°
    7:00 AM
    http://forecast.weather.gov/images/wtf/few.jpg
    50°
    Humidity: 82%
    Wind: 5 mph
    Dewpoint: 44°
    1:00 PM
    http://forecast.weather.gov/images/wtf/few.jpg
    73°
    Humidity: 36%
    Wind: 6 mph
    Dewpoint: 43°
    7:00 PM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    67°
    Humidity: 42%
    Wind: 5 mph
    By the Hour
    Dewpoint: 45°
    1:00 AM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    56°
    Humidity: 66%
    Wind: 5 mph
    Dewpoint: 45°
    7:00 AM
    http://forecast.weather.gov/images/wtf/few.jpg
    50°
    Humidity: 83%
    Wind: 4 mph
    Dewpoint: 46°
    1:00 PM
    http://forecast.weather.gov/images/wtf/few.jpg
    73°
    Humidity: 39%
    Wind: 6 mph
    Dewpoint: 48°
    7:00 PM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    69°
    Humidity: 47%
    Wind: 6 mph
Interactive Radar Map
Wx Observations
Station Markers
Type:
Elev:
Google Traffic

Set Layer Opacity
 
Opacity
Preferences

Click map to view:
Search for location:
Find:
Enter a place name (i.e. city, state, postal code, etc.) and click "go" for a new location.
Data Compliments of:
NOAA Wunderground Yahoo!

Colored Legend for rainfall intensity    Colored Legend for mixed precipitation intensity    Colored Legend for snowfall intensity
© OpenStreetMap contributors