Weather in Collinsville, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Collinsville
Overnight |
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Temperature: 78°F Wind Speed: 3 mph Wind Direction: SE Forecast: Partly cloudy, with a low around 78. Southeast wind around 3 mph. |
Monday |
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Temperature: 95°F Wind Speed: 2 to 7 mph Wind Direction: S Forecast: Sunny, with a high near 95. Heat index values as high as 109. South wind 2 to 7 mph. |
Monday Night |
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Temperature: 74°F Wind Speed: 2 to 6 mph Wind Direction: SE Forecast: A slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 74. Heat index values as high as 103. Southeast wind 2 to 6 mph. Chance of precipitation is 20%. |
Tuesday |
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Temperature: 92°F Wind Speed: 2 to 6 mph Wind Direction: W Forecast: A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 10am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 103. West wind 2 to 6 mph. Chance of precipitation is 30%. |
Tuesday Night |
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Temperature: 73°F Wind Speed: 5 mph Wind Direction: NW Forecast: A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Northwest wind around 5 mph. Chance of precipitation is 40%. |
Wednesday |
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Temperature: 86°F Wind Speed: 5 to 9 mph Wind Direction: N Forecast: A chance of rain showers before 10am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%. |
Wednesday Night |
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Temperature: 67°F Wind Speed: 8 mph Wind Direction: NE Forecast: A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 67. Chance of precipitation is 20%. |
Thursday |
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Temperature: 86°F Wind Speed: 8 mph Wind Direction: N Forecast: Mostly sunny, with a high near 86. |
Thursday Night |
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Temperature: 67°F Wind Speed: 2 to 7 mph Wind Direction: NE Forecast: Mostly clear, with a low around 67. |
Friday |
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Temperature: 87°F Wind Speed: 2 to 6 mph Wind Direction: NE Forecast: Sunny, with a high near 87. |
Friday Night |
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Temperature: 67°F Wind Speed: 5 mph Wind Direction: N Forecast: Mostly clear, with a low around 67. |
Saturday |
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Temperature: 87°F Wind Speed: 2 to 7 mph Wind Direction: NW Forecast: Sunny, with a high near 87. |
Saturday Night |
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Temperature: 63°F Wind Speed: 6 mph Wind Direction: N Forecast: Mostly clear, with a low around 63. |
Sunday |
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Temperature: 82°F Wind Speed: 5 to 8 mph Wind Direction: NW Forecast: Sunny, with a high near 82. |