I-70 weather conditions near I-70 IL exit 21, Illinois
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 86°F 2025-08-10T10:50:00-05:00 
Today 2025-08-10, Slight Chance Showers. A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 90. South wind around 11 mph.Tonight 2025-08-10, Slight Chance Showers then Mostly Clear. A 20 percent chance of showers before 8pm. Mostly clear, with a low around 71. South wind 5 to 7 mph.
Monday 2025-08-11, Slight Chance T-storms then Sunny. A slight chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 89. South wind 5 to 9 mph. Chance of precipitation is 20%.
Monday Night 2025-08-11, Mostly Clear then Slight Chance T-storms. A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday 2025-08-12, Chance T-storms. A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming southwest around 6 mph in the morning.
Tuesday Night 2025-08-12, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.- Wednesday 2025-08-13, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88.
Wednesday Night 2025-08-13, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70.
Thursday 2025-08-14, Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 88.- Thursday Night 2025-08-14, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 71.
Friday 2025-08-15, Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Friday Night 2025-08-15, Partly Cloudy. Partly cloudy, with a low around 73.