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Weldon Spring, MO 7-Day Night Weather Forecast
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Weldon Spring, MO Weather Forecast
Weldon Spring, MO Weather Forecast Date: 553 PM CDT Sat Sep 05 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.
Tonight... Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. Northeast winds around 5 mph. Gusts up to 20 mph after midnight. Chance of rain 20%. Heat index values up to 104 early this evening.
Sunday... Mostly sunny. Highs in the lower 90s. Northeast winds 5 to 10 mph.
Sunday Night... Mostly clear. Lows in the mid 60s. Northeast winds 5 to 10 mph.
Labor Day... Sunny. Highs around 90. East winds around 5 mph.
Monday Night... Mostly clear. Lows in the mid 60s. East winds around 5 mph.
Tuesday... Mostly clear. Hot. Highs in the upper 90s. Lows in the lower 70s. Heat index values up to 105.
Wednesday... Mostly clear. Hot. Highs in the upper 90s. Lows in the lower 70s. Heat index values up to 105.
Wednesday Night... Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 50%. Heat index values up to 100 early in the evening.
Thursday... Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning. Not as warm with highs in the mid 80s. Chance of rain 50%.
Thursday Night... Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 20%.
Friday... Mostly sunny. A slight chance of showers in the morning. Highs in the upper 80s. Chance of rain 20%.
Friday Night... Partly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 30%.
POP = Probability of Precipitation
Weldon Spring Radar Loop
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