I-55 weather conditions near Saint Louis, Missouri

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast 37°F 2025-12-06T00:51:00-06:00
• Overnight 2025-12-06, Mostly Cloudy. Mostly cloudy, with a low around 31. West wind 3 to 6 mph.
• Saturday 2025-12-06, Mostly Sunny. Mostly sunny, with a high near 43. Calm wind becoming southeast around 6 mph in the afternoon.
• Saturday Night 2025-12-06, Slight Chance Rain. A slight chance of rain between 11pm and 2am. Cloudy, with a low around 35. Southeast wind around 7 mph becoming south after midnight. Chance of precipitation is 20%.
• Sunday 2025-12-07, Slight Chance Rain then Cloudy. A 20 percent chance of rain before noon. Mostly cloudy, with a temperature rising to near 40 by noon, then falling to around 32 during the remainder of the day. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
• Sunday Night 2025-12-07, Slight Chance Snow then Mostly Cloudy. A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19. North wind 5 to 9 mph.
• Monday 2025-12-08, Mostly Sunny. Mostly sunny, with a high near 33.
• Monday Night 2025-12-08, Partly Cloudy. Partly cloudy, with a low around 25.
• Tuesday 2025-12-09, Mostly Sunny. Mostly sunny, with a high near 50.
• Tuesday Night 2025-12-09, Mostly Cloudy. Mostly cloudy, with a low around 39.
• Wednesday 2025-12-10, Partly Sunny. Partly sunny, with a high near 46.
• Wednesday Night 2025-12-10, Mostly Cloudy. Mostly cloudy, with a low around 27.
• Thursday 2025-12-11, Slight Chance Snow then Slight Chance Rain/Snow. A slight chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 20%.
• Thursday Night 2025-12-11, Mostly Cloudy. Mostly cloudy, with a low around 24.
• Friday 2025-12-12, Mostly Sunny. Mostly sunny, with a high near 30.