I-55 weather conditions near Festus, Missouri
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 66°F 2025-09-21T03:56:00-05:00 
Overnight 2025-09-21, Mostly Cloudy. Mostly cloudy, with a low around 64. Light south wind.Sunday 2025-09-21, Chance Showers and Patchy Fog then Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Patchy fog between 7am and 8am. Otherwise, mostly cloudy, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the morning.
Sunday Night 2025-09-21, T-storms. Showers and thunderstorms before 1am, then showers and possibly a thunderstorm, mainly after 1am. Low around 65. Calm wind becoming south around 5 mph. Chance of precipitation is 80%.
Monday 2025-09-22, Showers. Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 82. South wind 3 to 6 mph. Chance of precipitation is 80%.
Monday Night 2025-09-22, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday 2025-09-23, Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.- Tuesday Night 2025-09-23, Showers Likely. A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Wednesday 2025-09-24, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
Wednesday Night 2025-09-24, Chance T-storms. A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Thursday 2025-09-25, Chance Showers. A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Thursday Night 2025-09-25, Slight Chance Showers. A 20 percent chance of showers. Partly cloudy, with a low around 57.
Friday 2025-09-26, Chance Showers. A 30 percent chance of showers. Mostly sunny, with a high near 77.- Friday Night 2025-09-26, Partly Cloudy. Partly cloudy, with a low around 56.
Saturday 2025-09-27, Sunny. Sunny, with a high near 79.