Weather in Alton, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Alton
Today |
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Temperature: 93°F Wind Speed: 6 to 9 mph Wind Direction: W Forecast: Mostly sunny, with a high near 93. Heat index values as high as 100. West wind 6 to 9 mph. |
Tonight |
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Temperature: 67°F Wind Speed: 2 to 9 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 67. Northwest wind 2 to 9 mph. |
Thursday |
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Temperature: 88°F Wind Speed: 3 to 9 mph Wind Direction: NW Forecast: Mostly sunny, with a high near 88. Northwest wind 3 to 9 mph. |
Thursday Night |
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Temperature: 63°F Wind Speed: 2 to 9 mph Wind Direction: N Forecast: Mostly clear, with a low around 63. North wind 2 to 9 mph. |
Friday |
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Temperature: 86°F Wind Speed: 2 to 6 mph Wind Direction: N Forecast: Sunny, with a high near 86. North wind 2 to 6 mph. |
Friday Night |
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Temperature: 62°F Wind Speed: 5 mph Wind Direction: E Forecast: Mostly clear, with a low around 62. |
Saturday |
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Temperature: 89°F Wind Speed: 2 to 7 mph Wind Direction: SE Forecast: Mostly sunny, with a high near 89. |
Saturday Night |
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Temperature: 68°F Wind Speed: 7 mph Wind Direction: SE Forecast: Partly cloudy, with a low around 68. |
Sunday |
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Temperature: 94°F Wind Speed: 6 to 12 mph Wind Direction: S Forecast: Sunny, with a high near 94. |
Sunday Night |
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Temperature: 73°F Wind Speed: 9 mph Wind Direction: S Forecast: Mostly clear, with a low around 73. |
Monday |
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Temperature: 96°F Wind Speed: 7 to 10 mph Wind Direction: S Forecast: Mostly sunny, with a high near 96. |
Monday Night |
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Temperature: 75°F Wind Speed: 5 to 8 mph Wind Direction: S Forecast: Mostly clear, with a low around 75. |
Tuesday |
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Temperature: 95°F Wind Speed: 3 to 7 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 95. |
Tuesday Night |
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Temperature: 75°F Wind Speed: 6 mph Wind Direction: S Forecast: Partly cloudy, with a low around 75. |