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: Partly Cloudy 62°F 2025-09-06T23:53:00-05:00 
Overnight 2025-09-07, Mostly Clear. Mostly clear, with a low around 50. North wind 3 to 5 mph.
Sunday 2025-09-07, Sunny. Sunny, with a high near 77. North wind 3 to 8 mph.
Sunday Night 2025-09-07, Clear. Clear, with a low around 46. North wind around 5 mph becoming calm in the evening.
Monday 2025-09-08, Sunny. Sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.- Monday Night 2025-09-08, Mostly Clear. Mostly clear, with a low around 49. Light southeast wind.
- Tuesday 2025-09-09, Sunny. Sunny, with a high near 85.
- Tuesday Night 2025-09-09, Mostly Clear. Mostly clear, with a low around 57.
- Wednesday 2025-09-10, Sunny. Sunny, with a high near 91.
- Wednesday Night 2025-09-10, Mostly Clear. Mostly clear, with a low around 62.
- Thursday 2025-09-11, Sunny. Sunny, with a high near 93.
- Thursday Night 2025-09-11, Mostly Clear. Mostly clear, with a low around 62.
- Friday 2025-09-12, Sunny. Sunny, with a high near 92.
- Friday Night 2025-09-12, Mostly Clear. Mostly clear, with a low around 63.
Saturday 2025-09-13, Mostly Sunny. Mostly sunny, with a high near 92.