| NWS Forecast for: Madison County Issued by: National Weather Service Saint Louis, MO Last Update: 253 PM CDT Tue Jul 21 2026 |  |
Tonight: Mostly clear. Cooler with lows in the upper 60s. North winds 10 to 15 mph. Wednesday: Mostly sunny. Cooler with highs in the lower 80s. North winds 5 to 10 mph. Wednesday Night: Mostly cloudy in the evening, then clearing. Lows in the lower 60s. Northeast winds 5 to 10 mph. Thursday: Sunny. Highs in the lower 80s. Northeast winds around 5 mph. Thursday Night: Partly cloudy. Lows in the lower 60s. East winds around 5 mph. Friday: Partly sunny in the morning, then becoming mostly cloudy. A chance of showers and thunderstorms. Highs in the upper 70s. Chance of rain 50 percent. Friday Night: Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 20 percent. Saturday: Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 20 percent. Saturday Night And Sunday: Mostly clear. Hot. Lows around 70. Highs in the mid 90s. Heat index values up to 110. Sunday Night: Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. Monday: Mostly sunny. Hot with highs in the upper 90s. Heat index values up to 110. Monday Night: Mostly clear with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 110 early in the evening. Tuesday: Sunny. Highs in the lower 90s. | |
| Zone Forecast: Madison County | |
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