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Winter Weather Advisory issued February 13 at 11:40PM CST until February 14 at 6:00PM CST by NWS | ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST SUNDAY... * TIMING...SNOW WILL BECOME WIDESPREAD BY LATE TONIGHT WITH THE BEST SNOWFALL ACCUMULATION RATES EXPECTED DURING SUNDAY MORNING. SNOW IS THEN EXPECTED TO TAPER OFF TO FLURRIES OR LIGHT FREEZING DRIZZLE SUNDAY AFTERNOON. | read more
Weather for Alton, IL
Last Updated on Feb 14 2016, 2:55 am CST
Right Now
novc.png
Overcast
21°
Dew Point: 9°
Humidity: 60%
Pressure: 30.36 in
Visibility: 10.00 miles
Winds: East at 10.4 MPH (9 KT)
By the Hour
Dewpoint: 13°
6:00 AM
http://forecast.weather.gov/images/wtf/nsn30.jpg
20°
Humidity: 74%
Wind: 14 mph
Dewpoint: 15°
9:00 AM
http://forecast.weather.gov/images/wtf/sn90.jpg
22°
Humidity: 74%
Wind: 15 mph
Dewpoint: 21°
12:00 PM
http://forecast.weather.gov/images/wtf/mix90.jpg
27°
Humidity: 78%
Wind: 14 mph
Dewpoint: 22°
3:00 PM
http://forecast.weather.gov/images/wtf/mix90.jpg
29°
Humidity: 75%
Wind: 14 mph
Dewpoint: 24°
6:00 PM
http://forecast.weather.gov/images/wtf/novc.jpg
29°
Humidity: 82%
Wind: 11 mph
Dewpoint: 25°
9:00 PM
http://forecast.weather.gov/images/wtf/novc.jpg
28°
Humidity: 88%
Wind: 10 mph
Find Weather

5 Day Forecast
Monday
High 42°
Low 27°
Tuesday
High 45°
Low 32°
Wednesday
High 42°
Low 29°
Thursday
High 54°
Low 30°
Friday
High 64°
Low 44°
    By the Hour
    Dewpoint: 26°
    12:00 AM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    28°
    Humidity: 92%
    Wind: 7 mph
    Dewpoint: 26°
    3:00 AM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    28°
    Humidity: 92%
    Wind: 5 mph
    Dewpoint: 26°
    6:00 AM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    27°
    Humidity: 96%
    Wind: 5 mph
    Dewpoint: 29°
    9:00 AM
    http://forecast.weather.gov/images/wtf/bkn.jpg
    31°
    Humidity: 92%
    Wind: 7 mph
    Dewpoint: 31°
    12:00 PM
    http://forecast.weather.gov/images/wtf/bkn.jpg
    38°
    Humidity: 76%
    Wind: 9 mph
    Dewpoint: 31°
    3:00 PM
    http://forecast.weather.gov/images/wtf/bkn.jpg
    41°
    Humidity: 67%
    Wind: 7 mph
    Dewpoint: 32°
    6:00 PM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    39°
    Humidity: 76%
    Wind: 6 mph
    Dewpoint: 32°
    9:00 PM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    37°
    Humidity: 82%
    Wind: 6 mph
    By the Hour
    Dewpoint: 32°
    12:00 AM
    http://forecast.weather.gov/images/wtf/nrasn40.jpg
    35°
    Humidity: 88%
    Wind: 6 mph
    Dewpoint: 32°
    3:00 AM
    http://forecast.weather.gov/images/wtf/nrasn40.jpg
    34°
    Humidity: 93%
    Wind: 6 mph
    Dewpoint: 33°
    6:00 AM
    http://forecast.weather.gov/images/wtf/nrasn40.jpg
    33°
    Humidity: 100%
    Wind: 7 mph
    Dewpoint: 34°
    9:00 AM
    http://forecast.weather.gov/images/wtf/rasn40.jpg
    36°
    Humidity: 92%
    Wind: 10 mph
    Dewpoint: 35°
    12:00 PM
    http://forecast.weather.gov/images/wtf/ra40.jpg
    42°
    Humidity: 76%
    Wind: 12 mph
    Dewpoint: 34°
    3:00 PM
    http://forecast.weather.gov/images/wtf/ra40.jpg
    44°
    Humidity: 67%
    Wind: 13 mph
    Dewpoint: 33°
    6:00 PM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    41°
    Humidity: 73%
    Wind: 13 mph
    By the Hour
    Dewpoint: 28°
    12:00 AM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    34°
    Humidity: 78%
    Wind: 9 mph
    Dewpoint: 26°
    6:00 AM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    31°
    Humidity: 82%
    Wind: 7 mph
    Dewpoint: 28°
    12:00 PM
    http://forecast.weather.gov/images/wtf/bkn.jpg
    38°
    Humidity: 67%
    Wind: 6 mph
    Dewpoint: 28°
    6:00 PM
    http://forecast.weather.gov/images/wtf/nbkn.jpg
    38°
    Humidity: 67%
    Wind: 6 mph
    By the Hour
    Dewpoint: 27°
    12:00 AM
    http://forecast.weather.gov/images/wtf/nsct.jpg
    34°
    Humidity: 75%
    Wind: 7 mph
    Dewpoint: 28°
    6:00 AM
    http://forecast.weather.gov/images/wtf/nsct.jpg
    32°
    Humidity: 85%
    Wind: 7 mph
    Dewpoint: 38°
    12:00 PM
    http://forecast.weather.gov/images/wtf/sct.jpg
    48°
    Humidity: 68%
    Wind: 12 mph
    Dewpoint: 40°
    6:00 PM
    http://forecast.weather.gov/images/wtf/nsct.jpg
    51°
    Humidity: 65%
    Wind: 14 mph
    By the Hour
    Dewpoint: 41°
    12:00 AM
    http://forecast.weather.gov/images/wtf/nsct.jpg
    47°
    Humidity: 79%
    Wind: 15 mph
    Dewpoint: 43°
    6:00 AM
    http://forecast.weather.gov/images/wtf/nra10.jpg
    46°
    Humidity: 89%
    Wind: 18 mph
    Dewpoint: 49°
    12:00 PM
    http://forecast.weather.gov/images/wtf/ra20.jpg
    58°
    Humidity: 72%
    Wind: 20 mph
    Dewpoint: 44°
    6:00 PM
    http://forecast.weather.gov/images/wtf/nsct.jpg
    56°
    Humidity: 64%
    Wind: 17 mph
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