I-55 weather conditions near Arnold, Missouri
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fog/Mist 53°F 2025-11-21T20:53:00-06:00 
Tonight 2025-11-21, Chance Rain and Patchy Fog. A 30 percent chance of rain, mainly before 1am. Patchy fog. Otherwise, cloudy, with a low around 46. North wind 5 to 7 mph.Saturday 2025-11-22, Patchy Fog then Mostly Sunny. Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 59. North wind 5 to 7 mph becoming light and variable in the afternoon.
Saturday Night 2025-11-22, Mostly Clear. Mostly clear, with a low around 41. Southwest wind 3 to 5 mph.
Sunday 2025-11-23, Sunny. Sunny, with a high near 62. Calm wind.
Sunday Night 2025-11-23, Mostly Cloudy. Mostly cloudy, with a low around 43. Light southeast wind.Monday 2025-11-24, Chance Rain then Rain. Rain, mainly after noon. High near 58. Chance of precipitation is 80%.
Monday Night 2025-11-24, Rain then Chance Rain. Rain, mainly before midnight. Low around 50. Chance of precipitation is 80%.
Tuesday 2025-11-25, Mostly Cloudy then Slight Chance Rain. A 20 percent chance of rain after noon. Partly sunny, with a high near 63.
Tuesday Night 2025-11-25, Partly Cloudy. Partly cloudy, with a low around 35.
Wednesday 2025-11-26, Mostly Sunny. Mostly sunny, with a high near 50.- Wednesday Night 2025-11-26, Partly Cloudy. Partly cloudy, with a low around 29.
- Thanksgiving Day 2025-11-27, Mostly Sunny. Mostly sunny, with a high near 48.
Thursday Night 2025-11-27, Mostly Cloudy then Slight Chance Rain. A 20 percent chance of rain. Mostly cloudy, with a low around 30.
Friday 2025-11-28, Slight Chance Rain. A 20 percent chance of rain. Mostly sunny, with a high near 47.