I-255 IL weather conditions near Saint Louis, Missouri
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 76°F 2025-07-07T23:53:00-05:00 - Overnight 2025-07-08, Partly Cloudy. Partly cloudy, with a low around 71. Calm wind.
Tuesday 2025-07-08, Patchy Fog then Scattered T-storms. Scattered showers and thunderstorms, mainly after 3pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night 2025-07-08, Scattered T-storms then Mostly Cloudy. Scattered showers and thunderstorms before 11pm, then isolated showers between 11pm and midnight. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 50%.
Wednesday 2025-07-09, Scattered T-storms. Scattered showers and thunderstorms after 10am. Partly sunny, with a high near 88. Light west wind. Chance of precipitation is 30%.- Wednesday Night 2025-07-09, Partly Cloudy. Partly cloudy, with a low around 71. Calm wind.
Thursday 2025-07-10, Slight Chance Showers then Slight Chance T-storms. A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
- Thursday Night 2025-07-10, Partly Cloudy. Partly cloudy, with a low around 73.
Friday 2025-07-11, Mostly Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95.
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, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91.
Saturday Night 2025-07-12, Chance T-storms. A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.- Sunday 2025-07-13, Chance T-storms. A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Sunday Night 2025-07-13, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Monday 2025-07-14, Chance T-storms. A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.