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Alton, IL

7-Day Forecast

Tonight
Rain Likely and Patchy Fog
Low: 28°
Rain likely, mainly before 1am.
Patchy fog
between midnight and 2am.
Otherwise, cloudy with a low around 28.
South wind 8 to 15 mph becoming
north after midnight.
Winds could gust as high as 26 mph.
Chance of precipitation is 60%.


Saturday
Mostly Cloudy
High: 29°
Mostly cloudy with a temperature falling to around 25 by 5pm.
North wind 13 to 17 mph
with gusts as high as 26 mph.


Saturday Night
Mostly Cloudy
Low: 13°
Mostly cloudy with a low around 13.
North wind 11 to 15 mph
with gusts as high as 23 mph.


Sunday
Cold
High: 16°
Mostly sunny and cold with a high near 16.
Northwest wind 14 to 17 mph
with gusts as high as 26 mph.


Sunday Night
Mostly Clear
Low:
Mostly clear with a low around 4.
Northwest wind 6 to 11 mph becoming light after midnight.


M.L.King Day
Sunny
High: 21°
Sunny with a high near 21.


Monday Night
Partly Cloudy
Low:
Partly cloudy with a low around 5.


Tuesday
Cold
High: 16°
Sunny and cold with a high near 16.


Tuesday Night
Mostly Clear
Low:
Mostly clear with a low around 8.


Wednesday
Mostly Sunny
High: 34°
Mostly sunny with a high near 34.


Wednesday Night
Mostly Cloudy
Low: 24°
Mostly cloudy with a low around 24.


Thursday
Partly Sunny
High: 37°
Partly sunny with a high near 37.


Thursday Night
Mostly Cloudy
Low: 20°
Mostly cloudy with a low around 20.


Friday
Mostly Sunny
High: 35°
Mostly sunny with a high near 35.


Source: National Weather Service








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