Weather in Alton, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Alton
Overnight |
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Temperature: 24°F Wind Speed: 14 to 20 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 24. Northwest wind 14 to 20 mph, with gusts as high as 32 mph. |
Friday |
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Temperature: 38°F Wind Speed: 8 to 17 mph Wind Direction: W Forecast: Sunny, with a high near 38. West wind 8 to 17 mph, with gusts as high as 30 mph. |
Friday Night |
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Temperature: 31°F Wind Speed: 8 to 12 mph Wind Direction: SE Forecast: Partly cloudy. Low around 31, with temperatures rising to around 35 overnight. Southeast wind 8 to 12 mph. |
Saturday |
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Temperature: 55°F Wind Speed: 12 mph Wind Direction: SW Forecast: Mostly sunny. High near 55, with temperatures falling to around 49 in the afternoon. Southwest wind around 12 mph. |
Saturday Night |
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Temperature: 27°F Wind Speed: 5 to 9 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 27. Northwest wind 5 to 9 mph. |
Sunday |
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Temperature: 42°F Wind Speed: 6 mph Wind Direction: N Forecast: Mostly sunny. High near 42, with temperatures falling to around 38 in the afternoon. |
Sunday Night |
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Temperature: 28°F Wind Speed: 7 mph Wind Direction: SE Forecast: Partly cloudy, with a low around 28. |
Monday |
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Temperature: 47°F Wind Speed: 7 to 10 mph Wind Direction: SE Forecast: Partly sunny, with a high near 47. |
Monday Night |
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Temperature: 40°F Wind Speed: 6 to 9 mph Wind Direction: S Forecast: Mostly cloudy, with a low around 40. |
Tuesday |
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Temperature: 62°F Wind Speed: 8 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 62. |
Tuesday Night |
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Temperature: 48°F Wind Speed: 6 mph Wind Direction: SE Forecast: Mostly cloudy, with a low around 48. |
Wednesday |
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Temperature: 67°F Wind Speed: 6 to 10 mph Wind Direction: S Forecast: Mostly cloudy, with a high near 67. |
Wednesday Night |
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Temperature: 53°F Wind Speed: 8 mph Wind Direction: S Forecast: Mostly cloudy, with a low around 53. |
Christmas Day |
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Temperature: 68°F Wind Speed: 7 to 12 mph Wind Direction: S Forecast: Mostly sunny, with a high near 68. |