Weather in Alton, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Alton
Tonight |
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Temperature: 67°F Wind Speed: 5 mph Wind Direction: N Forecast: Patchy fog after 3am. Mostly clear, with a low around 67. North wind around 5 mph. |
Thursday |
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Temperature: 86°F Wind Speed: 5 mph Wind Direction: NE Forecast: Patchy fog before 9am. Mostly sunny, with a high near 86. Northeast wind around 5 mph. |
Thursday Night |
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Temperature: 71°F Wind Speed: 3 mph Wind Direction: E Forecast: Mostly clear, with a low around 71. East wind around 3 mph. |
Friday |
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Temperature: 94°F Wind Speed: 5 mph Wind Direction: SE Forecast: Sunny, with a high near 94. Heat index values as high as 100. Southeast wind around 5 mph. |
Friday Night |
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Temperature: 74°F Wind Speed: 5 mph Wind Direction: SE Forecast: Mostly clear, with a low around 74. Southeast wind around 5 mph. |
Saturday |
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Temperature: 96°F Wind Speed: 5 mph Wind Direction: S Forecast: Sunny, with a high near 96. |
Saturday Night |
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Temperature: 75°F Wind Speed: 5 mph Wind Direction: SE Forecast: Mostly clear, with a low around 75. |
Sunday |
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Temperature: 97°F Wind Speed: 5 mph Wind Direction: S Forecast: Sunny, with a high near 97. |
Sunday Night |
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Temperature: 75°F Wind Speed: 5 mph Wind Direction: SE Forecast: Partly cloudy, with a low around 75. |
Monday |
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Temperature: 95°F Wind Speed: 2 to 6 mph Wind Direction: SE Forecast: Mostly sunny, with a high near 95. |
Monday Night |
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Temperature: 74°F Wind Speed: 6 mph Wind Direction: SE Forecast: Partly cloudy, with a low around 74. |
Tuesday |
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Temperature: 91°F Wind Speed: 3 to 7 mph Wind Direction: W Forecast: A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%. |
Tuesday Night |
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Temperature: 70°F Wind Speed: 7 mph Wind Direction: NW Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%. |
Wednesday |
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Temperature: 85°F Wind Speed: 5 to 8 mph Wind Direction: NE Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%. |