Weather in Alton, Missouri, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Alton
This Afternoon |
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Temperature: 88°F Wind Speed: 2 mph Wind Direction: S Forecast: Showers and thunderstorms likely. Partly sunny. High near 88, with temperatures falling to around 86 in the afternoon. Heat index values as high as 95. South wind around 2 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
Tonight |
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Temperature: 69°F Wind Speed: 2 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 69. Heat index values as high as 92. Southwest wind around 2 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
Wednesday |
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Temperature: 89°F Wind Speed: 3 mph Wind Direction: W Forecast: A chance of showers and thunderstorms after 7am. Partly sunny, with a high near 89. Heat index values as high as 97. West wind around 3 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Wednesday Night |
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Temperature: 69°F Wind Speed: 2 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 69. Southwest wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Thursday |
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Temperature: 90°F Wind Speed: 3 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Southwest wind around 3 mph. Chance of precipitation is 30%. |
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. Partly cloudy, with a low around 70. Chance of precipitation is 30%. |
Friday |
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Temperature: 91°F Wind Speed: 3 to 7 mph Wind Direction: S Forecast: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. |
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: 90°F Wind Speed: 8 mph Wind Direction: W Forecast: Showers and thunderstorms likely. Mostly sunny, with a high near 90. |
Saturday Night |
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Temperature: 68°F Wind Speed: 5 mph Wind Direction: SW Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 68. |
Sunday |
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Temperature: 88°F Wind Speed: 2 to 6 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 88. |
Sunday Night |
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Temperature: 67°F Wind Speed: 5 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67. |
Monday |
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Temperature: 90°F Wind Speed: 2 to 6 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 90. |
Monday Night |
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Temperature: 69°F Wind Speed: 5 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. |