I-70 weather conditions near Collinsville, Illinois
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Mostly Cloudy 75°F 2025-06-16T12:53:00-05:00 
This Afternoon 2025-06-16, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 82. Southeast wind around 6 mph.
Tonight 2025-06-16, Mostly Cloudy. Mostly cloudy, with a low around 68. Southeast wind around 5 mph becoming calm in the evening.- Tuesday 2025-06-17, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 89. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night 2025-06-17, Slight Chance Showers then Mostly Cloudy. A slight chance of showers between 10pm and midnight. Partly cloudy, with a low around 72. South wind around 7 mph. Chance of precipitation is 20%.
Wednesday 2025-06-18, Chance Showers then Showers Likely. A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 87. Southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Wednesday Night 2025-06-18, Chance T-storms then Chance Showers. A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69.
Juneteenth 2025-06-19, Sunny. Sunny, with a high near 86.
Thursday Night 2025-06-19, Mostly Clear. Mostly clear, with a low around 68.- Friday 2025-06-20, Sunny. Sunny, with a high near 90.
- Friday Night 2025-06-20, Mostly Clear. Mostly clear, with a low around 75.
- Saturday 2025-06-21, Sunny. Sunny, with a high near 95.
- Saturday Night 2025-06-21, Mostly Clear. Mostly clear, with a low around 77.
- Sunday 2025-06-22, Sunny. Sunny, with a high near 94.