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Alton, IL
 48° 
Last Updated on Nov 27 2020, 3:50 pm CST
Current ConditionsFair
Relative Humidity76%
WindNorthwest at 15.0 MPH
(13 KT)
Pressure30.17 mb
Dewpoint41.0 F (5.0 C)
Wind Chill42 F (6 C)
Visibility10.00 miles

7-Day Forecast

Tonight
Patchy Fog
Low: 29°
Patchy fog after 10pm.
Otherwise, clear with a low around 29.
Northwest wind 5 to 8 mph becoming calm after midnight.


Saturday
Patchy Fog then Sunny
High: 51°
Patchy fog before 8am.
Otherwise, sunny with a high near 51.
Calm wind becoming
southwest around 6 mph in the morning.


Saturday Night
Partly Cloudy
Low: 31°
Partly cloudy with a low around 31.
South wind around 5 mph becoming calm in the evening.


Sunday
Mostly Cloudy then Slight Chance Rain
High: 51°
A 20% chance of rain after noon.
Mostly cloudy with a high near 51.
Calm wind becoming
northwest around 6 mph in the afternoon.


Sunday Night
Slight Chance Rain/Snow then Mostly Cloudy
Low: 26°
A slight chance of rain, mixing with snow after 11pm,
then gradually ending.
Mostly cloudy with a low around 26.
Northwest wind 7 to 15 mph
with gusts as high as 22 mph.
Chance of precipitation is 20%.


Monday
Mostly Sunny
High: 36°
Mostly sunny with a high near 36.


Monday Night
Mostly Clear
Low: 22°
Mostly clear with a low around 22.


Tuesday
Sunny
High: 41°
Sunny with a high near 41.


Tuesday Night
Mostly Clear
Low: 26°
Mostly clear with a low around 26.


Wednesday
Mostly Sunny
High: 46°
Mostly sunny with a high near 46.


Wednesday Night
Mostly Cloudy
Low: 28°
Mostly cloudy with a low around 28.


Thursday
Partly Sunny
High: 43°
Partly sunny with a high near 43.


Thursday Night
Slight Chance Rain
Low: 29°
A 20% chance of rain.
Partly cloudy with a low around 29.


Friday
Slight Chance Rain
High: 44°
A 20% chance of rain.
Mostly sunny with a high near 44.


Source: National Weather Service








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