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Newport, IL Weather Forecast
Newport, IL Weather Forecast Date: 1127 AM CDT Tue Oct 13 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.
This Afternoon... Sunny. Highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 100.
Tonight... Mostly clear in the evening, then mostly cloudy with showers likely with a chance of thunderstorms after midnight. Lows in the lower 70s. South winds 5 to 10 mph, becoming west after midnight. Chance of rain 70%.
Wednesday... A chance of thunderstorms. Showers. Patchy fog. Much cooler with highs in the upper 70s. Northwest winds around 5 mph. Chance of rain 90%.
Wednesday Night... Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 70%.
Thursday... Showers with a chance of thunderstorms in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Southeast winds 5 to 10 mph, becoming southwest in the afternoon. Chance of rain near 100%.
Thursday Night... Mostly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Much cooler with lows in the upper 40s. Chance of rain 50%.
Friday... Mostly sunny and breezy. Much cooler with highs in the lower 60s.
Friday Night... Mostly clear. Lows in the upper 30s. Highs in the lower 60s.
Saturday... Mostly clear. Lows in the upper 30s. Highs in the lower 60s.
Saturday Night... Clear. Lows in the upper 30s.
Sunday... Sunny. Highs in the lower 70s.
Sunday Night... Partly cloudy. Lows in the upper 40s. Highs in the mid 70s.
POP = Probability of Precipitation
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