Collinsville, IL

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Weather Forecast for Collinsville

Tonight

A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Cloudy during the early evening, then gradual clearing, with a low around 48. Northwest wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 50%.

Friday

Sunny, with a high near 67. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 30 mph.

Friday Night

Increasing clouds, with a low around 45. Northwest wind 5 to 9 mph becoming calm in the evening.

Saturday

A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 68. South wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

Saturday Night

Partly cloudy, with a low around 43. Southwest wind 13 to 15 mph becoming northwest after midnight. Winds could gust as high as 29 mph.

Sunday

Mostly sunny, with a high near 62.

Sunday Night

A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 51.

Monday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

Monday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.

Tuesday

A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 70.

Tuesday Night

A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 56.

Wednesday

A 30 percent chance of showers. Mostly cloudy, with a high near 77.

Wednesday Night

A 30 percent chance of showers. Mostly cloudy, with a low around 62.

Thursday

A 50 percent chance of showers. Mostly cloudy, with a high near 76.