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Alton, MO
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7-Day Forecast
Overnight
Isolated T-storms
Low: 64°
Isolated showers and thunderstorms after 4am. Cloudy with a low around 64. South wind around 10 mph with gusts as high as 24 mph. Chance of precipitation is 20%.
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Sunday
Chance Showers then Showers Likely
High: 78°
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy with a high near 78. Southwest wind 9 to 13 mph with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
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Sunday Night
Chance T-storms then Partly Cloudy
Low: 41°
A 30% chance of showers and thunderstorms, mainly before 8pm. Partly cloudy with a low around 41. North wind 7 to 10 mph with gusts as high as 21 mph.
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Monday
Mostly Sunny
High: 61°
Mostly sunny with a high near 61. Wind chill values as low as 35 early. North wind 9 to 11 mph with gusts as high as 22 mph.
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Monday Night
Mostly Clear
Low: 37°
Mostly clear with a low around 37. North wind around 6 mph becoming calm in the evening.
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Tuesday
Areas Frost then Mostly Sunny
High: 68°
Areas of frost before 7am. Otherwise, mostly sunny with a high near 68.
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Tuesday Night
Mostly Cloudy then Chance Showers
Low: 57°
A 40% chance of showers after 1am. Mostly cloudy with a low around 57.
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Wednesday
Showers
High: 77°
Showers likely, then showers and possibly a thunderstorm after 1pm. Mostly cloudy with a high near 77.
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Wednesday Night
Chance T-storms
Low: 55°
A chance of showers and thunderstorms. Mostly cloudy with a low around 55.
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Thursday
Showers Likely
High: 69°
Showers likely with thunderstorms also possible after 1pm. Mostly cloudy with a high near 69.
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Thursday Night
T-storms Likely
Low: 53°
Showers and thunderstorms likely. Mostly cloudy with a low around 53.
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Friday
Chance T-storms then Showers Likely
High: 71°
Showers and thunderstorms likely. Mostly cloudy with a high near 71.
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Friday Night
Heavy Rain
Low: 57°
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy with a low around 57.
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Saturday
Showers Likely
High: 69°
Showers likely and possibly a thunderstorm. Mostly cloudy with a high near 69.
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Source: National Weather Service
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