I-270 MO weather conditions near Saint Louis, Missouri

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast 52°F 2026-05-05T12:51:00-05:00
• This Afternoon 2026-05-05, Showers Likely. Showers likely, with thunderstorms also possible after 4pm. Cloudy, with a high near 57. North wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
• Tonight 2026-05-05, Showers then Chance Showers. Showers and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 4am. Low around 46. North wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 90%.
• Wednesday 2026-05-06, Slight Chance Showers then Partly Sunny. A 20 percent chance of showers between 9am and 11am. Partly sunny, with a high near 60. North wind 6 to 8 mph.
• Wednesday Night 2026-05-06, Partly Cloudy. Partly cloudy, with a low around 44. North wind around 6 mph becoming calm in the evening.
• Thursday 2026-05-07, Sunny. Sunny, with a high near 66. Calm wind becoming northwest 5 to 7 mph in the morning.
• Thursday Night 2026-05-07, Mostly Clear. Mostly clear, with a low around 48.
• Friday 2026-05-08, Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76.
• Friday Night 2026-05-08, Chance Showers. A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 53.
• Saturday 2026-05-09, Sunny. Sunny, with a high near 79.
• Saturday Night 2026-05-09, Partly Cloudy then Chance Showers. A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 58.
• Sunday 2026-05-10, Showers Likely. Showers likely and possibly a thunderstorm. Partly sunny, with a high near 75. Chance of precipitation is 60%.
• Sunday Night 2026-05-10, Chance Showers. A 30 percent chance of showers. Partly cloudy, with a low around 50.
• Monday 2026-05-11, Mostly Sunny. Mostly sunny, with a high near 74.