Weather in Alton, Missouri, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Alton
Overnight |
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Temperature: 70°F Wind Speed: 3 mph Wind Direction: W Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. West wind around 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Monday |
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Temperature: 88°F Wind Speed: 5 mph Wind Direction: W Forecast: A chance of showers and thunderstorms. Partly sunny. High near 88, with temperatures falling to around 85 in the afternoon. Heat index values as high as 95. West wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible. |
Monday Night |
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Temperature: 69°F Wind Speed: 3 mph Wind Direction: W Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. West wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
Tuesday |
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Temperature: 89°F Wind Speed: 3 mph Wind Direction: SW Forecast: A slight chance of showers and thunderstorms before 7am, then showers and thunderstorms likely between 1pm and 4pm, then showers and thunderstorms likely. Mostly sunny, with a high near 89. Heat index values as high as 96. Southwest wind around 3 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
Tuesday Night |
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Temperature: 69°F Wind Speed: 2 mph Wind Direction: W Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 69. West wind around 2 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible. |
Wednesday |
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Temperature: 87°F Wind Speed: 3 mph Wind Direction: W Forecast: A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%. |
Wednesday Night |
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Temperature: 69°F Wind Speed: 2 mph Wind Direction: W Forecast: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. |
Thursday |
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Temperature: 89°F Wind Speed: 3 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. |
Thursday Night |
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Temperature: 70°F Wind Speed: 3 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 70. |
Friday |
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Temperature: 93°F Wind Speed: 3 to 7 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. |
Friday Night |
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Temperature: 70°F Wind Speed: 6 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 70. |
Saturday |
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Temperature: 89°F Wind Speed: 7 mph Wind Direction: W Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 89. |
Saturday Night |
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Temperature: 68°F Wind Speed: 5 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. |
Sunday |
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Temperature: 90°F Wind Speed: 5 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. |