Weather in Alton, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Alton
Overnight |
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Temperature: 38°F Wind Speed: 6 mph Wind Direction: SE Forecast: Mostly cloudy, with a low around 38. Southeast wind around 6 mph. |
Sunday |
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Temperature: 65°F Wind Speed: 6 to 14 mph Wind Direction: S Forecast: Mostly sunny. High near 65, with temperatures falling to around 61 in the afternoon. South wind 6 to 14 mph, with gusts as high as 23 mph. |
Sunday Night |
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Temperature: 55°F Wind Speed: 7 to 12 mph Wind Direction: S Forecast: A chance of rain showers after 9pm. Mostly cloudy, with a low around 55. South wind 7 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. |
Monday |
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Temperature: 60°F Wind Speed: 7 to 15 mph Wind Direction: W Forecast: Isolated rain showers before 9am. Mostly cloudy. High near 60, with temperatures falling to around 47 in the afternoon. West wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. |
Monday Night |
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Temperature: 28°F Wind Speed: 5 to 13 mph Wind Direction: NW Forecast: Mostly clear, with a low around 28. Northwest wind 5 to 13 mph. |
Tuesday |
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Temperature: 43°F Wind Speed: 6 mph Wind Direction: W Forecast: Mostly sunny, with a high near 43. |
Tuesday Night |
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Temperature: 33°F Wind Speed: 5 mph Wind Direction: SE Forecast: Mostly cloudy, with a low around 33. |
Wednesday |
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Temperature: 46°F Wind Speed: 8 mph Wind Direction: SE Forecast: A chance of rain after noon. Mostly cloudy, with a high near 46. Chance of precipitation is 40%. |
Wednesday Night |
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Temperature: 34°F Wind Speed: 8 mph Wind Direction: NE Forecast: Rain likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%. |
Thanksgiving Day |
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Temperature: 43°F Wind Speed: 9 to 13 mph Wind Direction: N Forecast: A chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 40%. |
Thursday Night |
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Temperature: 27°F Wind Speed: 10 mph Wind Direction: N Forecast: A chance of rain. Partly cloudy, with a low around 27. Chance of precipitation is 30%. |
Friday |
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Temperature: 39°F Wind Speed: 9 to 13 mph Wind Direction: NW Forecast: Mostly sunny, with a high near 39. |
Friday Night |
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Temperature: 22°F Wind Speed: 8 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 22. |
Saturday |
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Temperature: 39°F Wind Speed: 6 to 10 mph Wind Direction: W Forecast: Partly sunny, with a high near 39. |