7-Day Forecast Summary
7-Day Detailed Weather Forecast for Collinsville
Overnight |
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Temperature: 73°F Wind Speed: 10 mph Wind Direction: S Forecast: Mostly clear, with a low around 73. South wind around 10 mph. |
Tuesday |
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Temperature: 92°F Wind Speed: 10 to 15 mph Wind Direction: S Forecast: Sunny, with a high near 92. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 25 mph. |
Tuesday Night |
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Temperature: 73°F Wind Speed: 10 to 15 mph Wind Direction: S Forecast: A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
Wednesday |
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Temperature: 81°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 7am, then showers and thunderstorms between 7am and 10am, then showers and thunderstorms likely between 10am and 4pm, then showers and thunderstorms. Mostly cloudy, with a high near 81. South wind 5 to 10 mph. Chance of precipitation is 90%. |
Wednesday Night |
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Temperature: 68°F Wind Speed: 5 mph Wind Direction: SE Forecast: Showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind around 5 mph. Chance of precipitation is 90%. |
Thursday |
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Temperature: 81°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: Showers and thunderstorms. Partly sunny, with a high near 81. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. |
Thursday Night |
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Temperature: 54°F Wind Speed: 10 to 25 mph Wind Direction: NW Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 54. Northwest wind 10 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. |
Friday |
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Temperature: 63°F Wind Speed: 20 to 25 mph Wind Direction: N Forecast: A slight chance of rain showers before 7am. Mostly sunny, with a high near 63. North wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 20%. |
Friday Night |
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Temperature: 44°F Wind Speed: 5 to 15 mph Wind Direction: N Forecast: Mostly clear, with a low around 44. North wind 5 to 15 mph, with gusts as high as 25 mph. |
Saturday |
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Temperature: 65°F Wind Speed: 0 to 5 mph Wind Direction: NE Forecast: Sunny, with a high near 65. Northeast wind 0 to 5 mph. |
Saturday Night |
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Temperature: 46°F Wind Speed: 0 to 5 mph Wind Direction: SE Forecast: Mostly clear, with a low around 46. Southeast wind 0 to 5 mph. |
Sunday |
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Temperature: 74°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Sunny, with a high near 74. South wind 5 to 10 mph. |
Sunday Night |
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Temperature: 54°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Partly cloudy, with a low around 54. South wind 5 to 10 mph. |
Monday |
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Temperature: 79°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Mostly sunny, with a high near 79. South wind 5 to 10 mph. |

