7-Day Forecast Summary
7-Day Detailed Weather Forecast for Alton
This Afternoon |
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Temperature: 57°F Wind Speed: 5 mph Wind Direction: NE Forecast: Cloudy, with a high near 57. Northeast wind around 5 mph. |
Tonight |
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Temperature: 46°F Wind Speed: 5 mph Wind Direction: NE Forecast: A slight chance of showers and thunderstorms between 1am and 2am, then a chance of showers and thunderstorms. Cloudy. Low around 46, with temperatures rising to around 49 overnight. Northeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
Thursday |
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Temperature: 56°F Wind Speed: 5 to 10 mph Wind Direction: N Forecast: Showers and thunderstorms before 9am, then rain showers and patchy fog. Cloudy, with a high near 56. North wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible. |
Thursday Night |
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Temperature: 40°F Wind Speed: 15 to 25 mph Wind Direction: NW Forecast: A slight chance of rain showers before 7pm. Mostly cloudy, with a low around 40. Northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%. |
Friday |
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Temperature: 52°F Wind Speed: 10 to 25 mph Wind Direction: NNW Forecast: Mostly sunny, with a high near 52. North northwest wind 10 to 25 mph, with gusts as high as 35 mph. |
Friday Night |
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Temperature: 31°F Wind Speed: 0 to 10 mph Wind Direction: NNW Forecast: Widespread frost after 1am. Clear, with a low around 31. North northwest wind 0 to 10 mph. |
Saturday |
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Temperature: 60°F Wind Speed: 5 to 15 mph Wind Direction: SSW Forecast: Widespread frost before 8am. Sunny, with a high near 60. |
Saturday Night |
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Temperature: 42°F Wind Speed: 15 mph Wind Direction: S Forecast: Clear, with a low around 42. |
Sunday |
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Temperature: 66°F Wind Speed: 10 to 20 mph Wind Direction: SSW Forecast: Sunny, with a high near 66. |
Sunday Night |
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Temperature: 45°F Wind Speed: 0 to 10 mph Wind Direction: S Forecast: Partly cloudy, with a low around 45. |
Monday |
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Temperature: 68°F Wind Speed: 0 to 5 mph Wind Direction: SE Forecast: Mostly sunny, with a high near 68. |
Monday Night |
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Temperature: 47°F Wind Speed: 5 mph Wind Direction: SSE Forecast: Mostly clear, with a low around 47. |
Tuesday |
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Temperature: 72°F Wind Speed: 5 to 15 mph Wind Direction: SSE Forecast: Sunny, with a high near 72. |
Tuesday Night |
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Temperature: 53°F Wind Speed: 10 mph Wind Direction: SSE Forecast: Mostly clear, with a low around 53. |
