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Alton, MO
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7-Day Forecast
Tonight
Mostly Cloudy
Low: 17°
Mostly cloudy with a low around 17. Wind chill values as low as 10. South wind around 5 mph becoming calm after midnight.
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Saturday
Becoming Sunny
High: 40°
Partly sunny, then gradually becoming sunny with a high near 40. Wind chill values as low as 17. Calm wind becoming west around 6 mph.
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Saturday Night
Clear
Low: 21°
Clear with a low around 21. Calm wind.
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Sunday
Sunny
High: 53°
Sunny with a high near 53. Wind chill values as low as 22 early. Calm wind becoming southwest around 6 mph in the afternoon.
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Sunday Night
Mostly Clear
Low: 30°
Mostly clear with a low around 30. Southwest wind 3 to 5 mph.
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Monday
Mostly Sunny
High: 61°
Mostly sunny with a high near 61.
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Monday Night
Mostly Clear
Low: 40°
Mostly clear with a low around 40.
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Tuesday
Sunny
High: 65°
Sunny with a high near 65.
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Tuesday Night
Mostly Clear
Low: 39°
Mostly clear with a low around 39.
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Wednesday
Partly Sunny
High: 63°
Partly sunny with a high near 63.
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Wednesday Night
Partly Cloudy
Low: 37°
Partly cloudy with a low around 37.
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Thursday
Mostly Sunny
High: 54°
Mostly sunny with a high near 54.
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Thursday Night
Mostly Clear
Low: 32°
Mostly clear with a low around 32.
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Friday
Mostly Sunny
High: 60°
Mostly sunny with a high near 60.
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Source: National Weather Service
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