I-55 weather conditions near Arnold, Missouri

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast 48°F 2025-11-19T20:53:00-06:00
• Tonight 2025-11-19, Cloudy then Chance Rain and Patchy Fog. A 30 percent chance of rain, mainly after 5am. Patchy fog after 4am. Otherwise, cloudy, with a low around 47. Southeast wind 3 to 5 mph.
• Thursday 2025-11-20, Chance Rain and Areas Fog. A 50 percent chance of rain, mainly after 3pm. Areas of fog before 9am. Otherwise, cloudy, with a high near 61. Southeast wind 3 to 7 mph.
• Thursday Night 2025-11-20, Rain and Patchy Fog. Rain likely and possibly a thunderstorm, then rain after 9pm. Patchy fog between midnight and 1am. Low around 54. Light east wind. Chance of precipitation is 90%.
• Friday 2025-11-21, Rain. Rain. High near 64. Light and variable wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 90%.
• Friday Night 2025-11-21, Chance Rain then Mostly Cloudy. A 50 percent chance of rain before midnight. Mostly cloudy, with a low around 45. North wind around 6 mph becoming calm in the evening.
• Saturday 2025-11-22, Mostly Sunny. Mostly sunny, with a high near 59.
• Saturday Night 2025-11-22, Partly Cloudy. Partly cloudy, with a low around 40.
• Sunday 2025-11-23, Mostly Sunny. Mostly sunny, with a high near 63.
• Sunday Night 2025-11-23, Mostly Cloudy then Slight Chance Rain. A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 45.
• Monday 2025-11-24, Chance Rain. A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 60.
• Monday Night 2025-11-24, Rain Likely. Rain likely. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
• Tuesday 2025-11-25, Chance Rain. A 40 percent chance of rain. Mostly cloudy, with a high near 58.
• Tuesday Night 2025-11-25, Mostly Cloudy. Mostly cloudy, with a low around 39.
• Wednesday 2025-11-26, Mostly Sunny. Mostly sunny, with a high near 51.