Weather in Alton, Missouri, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Alton
Overnight |
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Temperature: 71°F Wind Speed: 5 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 71. Southwest wind around 5 mph. |
Thursday |
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Temperature: 91°F Wind Speed: 3 to 7 mph Wind Direction: W Forecast: Scattered rain showers before 10am, then a chance of showers and thunderstorms between 10am and 5pm, then scattered showers and thunderstorms. Partly sunny. High near 91, with temperatures falling to around 84 in the afternoon. Heat index values as high as 97. West wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
Thursday Night |
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Temperature: 66°F Wind Speed: 5 mph Wind Direction: NE Forecast: Scattered showers and thunderstorms before 7pm, then scattered showers and thunderstorms. Mostly cloudy. Low around 66, with temperatures rising to around 68 overnight. Northeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
Friday |
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Temperature: 86°F Wind Speed: 2 mph Wind Direction: E Forecast: Scattered rain showers before 7am, then showers and thunderstorms likely between 7am and 10am, then a slight chance of showers and thunderstorms between 10am and 11am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Heat index values as high as 93. East wind around 2 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
Friday Night |
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Temperature: 66°F Wind Speed: 2 mph Wind Direction: SE Forecast: A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 66. Southeast wind around 2 mph. New rainfall amounts less than a tenth of an inch possible. |
Saturday |
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Temperature: 93°F Wind Speed: 0 to 3 mph Wind Direction: SW Forecast: A slight chance of rain showers after 1pm. Sunny, with a high near 93. |
Saturday Night |
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Temperature: 66°F Wind Speed: 1 mph Wind Direction: SE Forecast: A slight chance of rain showers before 7pm. Partly cloudy, with a low around 66. |
Sunday |
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Temperature: 94°F Wind Speed: 0 to 3 mph Wind Direction: S Forecast: Sunny, with a high near 94. |
Sunday Night |
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Temperature: 67°F Wind Speed: 3 mph Wind Direction: SE Forecast: Mostly clear, with a low around 67. |
Monday |
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Temperature: 95°F Wind Speed: 2 to 7 mph Wind Direction: S Forecast: Sunny, with a high near 95. |
Monday Night |
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Temperature: 67°F Wind Speed: 6 mph Wind Direction: S Forecast: Mostly clear, with a low around 67. |
Tuesday |
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Temperature: 95°F Wind Speed: 5 mph Wind Direction: S Forecast: A chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. |
Tuesday Night |
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Temperature: 64°F Wind Speed: 3 mph Wind Direction: NE Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 64. |
Wednesday |
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Temperature: 91°F Wind Speed: 3 mph Wind Direction: SE Forecast: A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. |