Shop Local - Where you will always get the best deals in the riverbend.
Weather for Alton, IL
Last Updated on Jan 20 2017, 8:50 am CST
Right Now
fg.png
Fog/Mist
46°
Dew Point: 46°
Humidity: 100%
Pressure: 29.67 in
Visibility: 3.00 miles
Winds: Southeast at 5.8 MPH (5 KT)
By the Hour
Dewpoint: 49°
12:00 PM
http://forecast.weather.gov/images/wtf/ovc.jpg
50°
Humidity: 96%
Wind: 10 mph
Dewpoint: 49°
3:00 PM
http://forecast.weather.gov/images/wtf/ovc.jpg
52°
Humidity: 90%
Wind: 10 mph
Dewpoint: 49°
6:00 PM
http://forecast.weather.gov/images/wtf/nfg.jpg
50°
Humidity: 96%
Wind: 10 mph
Dewpoint: 48°
9:00 PM
http://forecast.weather.gov/images/wtf/nfg.jpg
49°
Humidity: 97%
Wind: 9 mph
Find Weather

5 Day Forecast
Saturday
High 64°
Low 44°
Sunday
High 53°
Low 36°
Monday
High 46°
Low 32°
Tuesday
High 50°
Low 38°
Wednesday
High 46°
Low 29°
    By the Hour
    Dewpoint: 47°
    12:00 AM
    http://forecast.weather.gov/images/wtf/nfg.jpg
    48°
    Humidity: 97%
    Wind: 9 mph
    Dewpoint: 47°
    3:00 AM
    http://forecast.weather.gov/images/wtf/nfg.jpg
    47°
    Humidity: 100%
    Wind: 7 mph
    Dewpoint: 45°
    6:00 AM
    http://forecast.weather.gov/images/wtf/novc.jpg
    47°
    Humidity: 92%
    Wind: 9 mph
    Dewpoint: 48°
    9:00 AM
    http://forecast.weather.gov/images/wtf/bkn.jpg
    51°
    Humidity: 89%
    Wind: 10 mph
    Dewpoint: 49°
    12:00 PM
    http://forecast.weather.gov/images/wtf/sct.jpg
    59°
    Humidity: 69%
    Wind: 11 mph
    Dewpoint: 50°
    3:00 PM
    http://forecast.weather.gov/images/wtf/few.jpg
    63°
    Humidity: 62%
    Wind: 11 mph
    Dewpoint: 48°
    6:00 PM
    http://forecast.weather.gov/images/wtf/nfew.jpg
    57°
    Humidity: 72%
    Wind: 7 mph
    Dewpoint: 49°
    9:00 PM
    http://forecast.weather.gov/images/wtf/novc.jpg
    53°
    Humidity: 86%
    Wind: 5 mph
    By the Hour
    Dewpoint: 47°
    12:00 AM
    http://forecast.weather.gov/images/wtf/nra20.jpg
    51°
    Humidity: 86%
    Wind: 3 mph
    Dewpoint: 45°
    3:00 AM
    http://forecast.weather.gov/images/wtf/nra20.jpg
    49°
    Humidity: 86%
    Wind: 3 mph
    Dewpoint: 44°
    6:00 AM
    http://forecast.weather.gov/images/wtf/nra20.jpg
    47°
    Humidity: 89%
    Wind: 5 mph
    Dewpoint: 44°
    9:00 AM
    http://forecast.weather.gov/images/wtf/ra30.jpg
    46°
    Humidity: 93%
    Wind: 7 mph
    Dewpoint: 45°
    12:00 PM
    http://forecast.weather.gov/images/wtf/ra30.jpg
    50°
    Humidity: 83%
    Wind: 10 mph
    Dewpoint: 42°
    3:00 PM
    http://forecast.weather.gov/images/wtf/ra30.jpg
    52°
    Humidity: 68%
    Wind: 13 mph
    Dewpoint: 41°
    6:00 PM
    http://forecast.weather.gov/images/wtf/novc.jpg
    47°
    Humidity: 79%
    Wind: 12 mph
    By the Hour
    Dewpoint: 36°
    12:00 AM
    http://forecast.weather.gov/images/wtf/novc.jpg
    42°
    Humidity: 79%
    Wind: 13 mph
    Dewpoint: 33°
    6:00 AM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    39°
    Humidity: 79%
    Wind: 11 mph
    Dewpoint: 34°
    12:00 PM
    http://forecast.weather.gov/images/wtf/bkn.jpg
    43°
    Humidity: 70%
    Wind: 10 mph
    Dewpoint: 34°
    6:00 PM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    41°
    Humidity: 76%
    Wind: 6 mph
    By the Hour
    Dewpoint: 33°
    12:00 AM
    http://forecast.weather.gov/images/wtf/nsct.jpg
    37°
    Humidity: 85%
    Wind: 3 mph
    Dewpoint: 32°
    6:00 AM
    http://forecast.weather.gov/images/wtf/nsct.jpg
    34°
    Humidity: 92%
    Wind: 5 mph
    Dewpoint: 38°
    12:00 PM
    http://forecast.weather.gov/images/wtf/ra20.jpg
    45°
    Humidity: 76%
    Wind: 11 mph
    Dewpoint: 40°
    6:00 PM
    http://forecast.weather.gov/images/wtf/nra20.jpg
    46°
    Humidity: 80%
    Wind: 12 mph
    By the Hour
    Dewpoint: 39°
    12:00 AM
    http://forecast.weather.gov/images/wtf/nsct.jpg
    42°
    Humidity: 89%
    Wind: 11 mph
    Dewpoint: 33°
    6:00 AM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    40°
    Humidity: 76%
    Wind: 13 mph
    Dewpoint: 33°
    12:00 PM
    http://forecast.weather.gov/images/wtf/bkn.jpg
    44°
    Humidity: 65%
    Wind: 14 mph
    Dewpoint: 31°
    6:00 PM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    40°
    Humidity: 70%
    Wind: 11 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