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Collinsville, IL
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7-Day Forecast
This Afternoon
Scattered T-storms
High: 73°
Scattered showers and thunderstorms, mainly after 4pm. Mostly cloudy with a high near 73. South wind around 10 mph. Chance of precipitation is 40%.
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Tonight
T-storms
Low: 61°
Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Low around 61. East wind 7 to 10 mph becoming southwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%.
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Thursday
Showers Likely then T-storms
High: 73°
Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 73. South wind 11 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
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Thursday Night
Scattered T-storms
Low: 57°
Scattered showers and thunderstorms before 4am, then isolated showers. Mostly cloudy with a low around 57. West wind 6 to 9 mph. Chance of precipitation is 30%.
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Friday
Chance Showers
High: 72°
A 40% chance of showers, mainly after 1pm. Mostly sunny with a high near 72. West wind 6 to 10 mph.
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Friday Night
Slight Chance T-storms then Slight Chance Showers
Low: 50°
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy with a low around 50. Chance of precipitation is 20%.
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Saturday
Sunny
High: 68°
Sunny with a high near 68.
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Saturday Night
Mostly Clear
Low: 47°
Mostly clear with a low around 47.
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Sunday
Sunny
High: 70°
Sunny with a high near 70.
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Sunday Night
Mostly Clear
Low: 50°
Mostly clear with a low around 50.
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Monday
Sunny
High: 75°
Sunny with a high near 75.
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Monday Night
Mostly Clear
Low: 53°
Mostly clear with a low around 53.
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Tuesday
Sunny
High: 79°
Sunny with a high near 79.
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Source: National Weather Service
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