| NWS Forecast for: Madison County Issued by: National Weather Service Saint Louis, MO Last Update: 838 AM CDT Wed Jul 1 2026 | |
Today: Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 108. Tonight: Clear with lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 107 early in the evening. Thursday: Sunny, hot with highs in the mid 90s. Southwest winds around 5 mph. Heat index values up to 110. Thursday Night: Mostly clear. Humid with lows in the upper 70s. South winds around 5 mph. Heat index values up to 108 early in the evening. Friday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. South winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 109. Friday Night: Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. Independence Day And Saturday Night: Partly cloudy. A chance of showers and thunderstorms. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 40 percent. Heat index values up to 105. Sunday: Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105. Sunday Night Through Tuesday: Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 105. | |
| Zone Forecast: Madison County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |