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Defiance, MO Weather Forecast
Defiance, MO Weather Forecast Date: 944 AM CDT Wed Oct 28 2026
The area/counties/county of: Madison County Il, including the cities of: Alton, Edwardsville, Belleville, Cahokia, Saint Charles, and Saint Louis.or toggle through each period.
Rest of Today... Sunny. Highs in the upper 70s. South winds 5 to 10 mph.
Tonight... Mostly clear. Lows in the mid 50s. South winds 5 to 10 mph.
Thursday... Sunny. Highs in the lower 80s. Southwest winds around 5 mph.
Thursday Night... Partly cloudy. Lows in the upper 50s. Northwest winds around 5 mph, becoming northeast after midnight.
Friday... Mostly sunny. Highs in the upper 70s. Southeast winds around 5 mph.
Friday Night... Mostly cloudy. Lows in the upper 50s.
Saturday... Mostly cloudy. A slight chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 20%.
Saturday Night... Mostly cloudy with a 50% chance of showers. Lows in the mid 50s. Highs in the lower 70s.
Sunday... Mostly cloudy with a 50% chance of showers. Lows in the mid 50s. Highs in the lower 70s.
Sunday Night... Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 50s. Chance of rain 20%.
Monday... Mostly cloudy with a 50% chance of showers. Highs in the lower 70s.
Monday Night... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. Lows in the mid 50s. Chance of rain 60%.
POP = Probability of Precipitation
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