I-255 IL weather conditions near Saint Louis, Missouri
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Current Weather Conditions
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7 day weather forecast
Current condition: Overcast 74°F 2025-07-14T08:53:00-05:00 
Today 2025-07-14, Slight Chance T-storms. A slight chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 87. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.
Tonight 2025-07-14, Mostly Cloudy. Mostly cloudy, with a low around 72. Light east wind.Tuesday 2025-07-15, Partly Sunny then Chance T-storms. A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night 2025-07-15, Slight Chance T-storms then Slight Chance Showers. 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 73. Light southwest wind. Chance of precipitation is 20%.
Wednesday 2025-07-16, Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming southwest around 6 mph in the morning.
Wednesday Night 2025-07-16, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75.Thursday 2025-07-17, Sunny then Chance T-storms. A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95.
Thursday Night 2025-07-17, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 74.
Friday 2025-07-18, Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 91.
Friday Night 2025-07-18, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.- Saturday 2025-07-19, Chance T-storms. A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
- Saturday Night 2025-07-19, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Sunday 2025-07-20, Mostly Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.