I-70 weather conditions near Collinsville, Illinois
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Current Weather Conditions
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7 day weather forecast
Current condition: A Few Clouds 89°F 2025-07-08T11:53:00-05:00 
This Afternoon 2025-07-08, T-storms Likely. Showers and thunderstorms likely, mainly after 4pm. Increasing clouds, with a high near 89. South wind 7 to 9 mph. Chance of precipitation is 60%.Tonight 2025-07-08, T-storms Likely then Mostly Cloudy. Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and midnight. Mostly cloudy, with a low around 69. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Wednesday 2025-07-09, Partly Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. Northwest wind 3 to 5 mph.
Wednesday Night 2025-07-09, Mostly Clear. Mostly clear, with a low around 70. Light and variable wind.Thursday 2025-07-10, Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Light and variable wind.
Thursday Night 2025-07-10, Partly Cloudy. Partly cloudy, with a low around 72.
Friday 2025-07-11, Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92.
Friday Night 2025-07-11, Chance T-storms. A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.Saturday 2025-07-12, Slight Chance T-storms then Chance T-storms. A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89.
Saturday Night 2025-07-12, Chance T-storms. A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 70.
Sunday 2025-07-13, Chance T-storms. A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Sunday Night 2025-07-13, Slight Chance Showers. A 20 percent chance of showers. Partly cloudy, with a low around 69.Monday 2025-07-14, Slight Chance T-storms then Chance Showers. A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.