I-55 weather conditions near Saint Mary, Missouri

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast 26°F 2025-12-01T05:35:00-06:00
• Today 2025-12-01, Mostly Cloudy then Chance Snow. A 40 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 32. East wind around 5 mph becoming calm in the morning.
• Tonight 2025-12-01, Snow/Sleet then Chance Snow. Snow and sleet before midnight, then a chance of snow between midnight and 2am. Low around 22. Calm wind becoming northwest 5 to 7 mph after midnight. Chance of precipitation is 90%. New snow and sleet accumulation of 1 to 2 inches possible.
• Tuesday 2025-12-02, Becoming Sunny. Mostly cloudy through mid morning, then gradual clearing, with a high near 35. Northwest wind 5 to 7 mph becoming calm in the afternoon.
• Tuesday Night 2025-12-02, Mostly Clear. Mostly clear, with a low around 21. Calm wind becoming south around 5 mph after midnight.
• Wednesday 2025-12-03, Mostly Sunny. Mostly sunny, with a high near 43. South wind 5 to 8 mph.
• Wednesday Night 2025-12-03, Mostly Cloudy. Mostly cloudy, with a low around 19.
• Thursday 2025-12-04, Partly Sunny. Partly sunny, with a high near 28.
• Thursday Night 2025-12-04, Mostly Cloudy then Chance Snow. A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 19.
• Friday 2025-12-05, Chance Snow then Chance Rain. A chance of snow before noon, then a chance of rain. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
• Friday Night 2025-12-05, Slight Chance Rain then Mostly Cloudy. A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 26.
• Saturday 2025-12-06, Partly Sunny. Partly sunny, with a high near 44.
• Saturday Night 2025-12-06, Mostly Cloudy. Mostly cloudy, with a low around 27.
• Sunday 2025-12-07, Partly Sunny. Partly sunny, with a high near 39.