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Alton, IL
 16° 
Last Updated on Jan 20 2019, 11:50 am CST
Current ConditionsOvercast
Relative Humidity73%
WindNorthwest at 9.2 MPH
(8 KT)
Pressure30.36 mb
Dewpoint8.6 F (-13.0 C)
Wind Chill4 F (-16 C)
Visibility10.00 miles

7-Day Forecast

This Afternoon
Snow Likely
High: 20°
Snow likely, mainly after 2pm.
Cloudy and cold with a high near 20.
North wind around 8 mph.
Chance of precipitation is 60%.
Total daytime snow accumulation of less than one inch possible.


Tonight
Chance Snow then Mostly Cloudy
Low: 14°
A chance of snow before 7pm,
then a chance of flurries
between 7pm and 9pm.
Mostly cloudy with a low around 14.
North wind around 7 mph becoming
east after midnight.
Chance of precipitation is 40%.


M.L.King Day
Mostly Cloudy
High: 27°
Mostly cloudy with a high near 27.
Southeast wind 7 to 17 mph
with gusts as high as 26 mph.


Monday Night
Partly Cloudy
Low: 26°
Partly cloudy with a low around 26.
Southeast wind 13 to 16 mph
with gusts as high as 28 mph.


Tuesday
Slight Chance Wintry Mix then Rain
High: 44°
A slight chance of snow and freezing rain before 7am,
then a slight chance of freezing rain
between 7am and 8am,
then rain after 8am.
High near 44.
South wind 14 to 16 mph
with gusts as high as 30 mph.
Chance of precipitation is 80%.
Little or no ice accumulation expected.
Little or no snow accumulation expected.


Tuesday Night
Rain then Chance Wintry Mix
Low: 27°
Rain before 3am,
then a chance of freezing drizzle
between 3am and 4am,
then a chance of snow and freezing drizzle after 4am.
Low around 27.
Chance of precipitation is 90%.
Little or no ice accumulation expected.
Little or no snow accumulation expected.


Wednesday
Mostly Cloudy
High: 30°
Mostly cloudy with a high near 30.


Wednesday Night
Partly Cloudy
Low: 21°
Partly cloudy with a low around 21.


Thursday
Mostly Sunny then Slight Chance Rain/Snow
High: 35°
A slight chance of rain and snow
between noon and 2pm,
then a slight chance of snow after 2pm.
Mostly sunny with a high near 35.
Chance of precipitation is 20%.


Thursday Night
Partly Cloudy
Low:
Partly cloudy with a low around 8.


Friday
Cold
High: 20°
Mostly sunny and cold with a high near 20.


Friday Night
Mostly Cloudy then Chance Snow
Low: 15°
A 40% chance of snow.
Mostly cloudy with a low around 15.


Saturday
Chance Snow
High: 28°
A 50% chance of snow.
Mostly cloudy with a high near 28.


Source: National Weather Service








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