| NWS Forecast for: Madison County Issued by: National Weather Service Saint Louis, MO Last Update: 223 AM CDT Sun Oct 18 2026 |  |
Rest Of Tonight: Clear. Areas of frost. Lows in the lower 30s. Light and variable winds. Sunday: Widespread frost in the morning. Sunny. Not as cool with highs around 70. Southeast winds around 5 mph. Sunday Night: Clear. Lows in the upper 30s. Light and variable winds. Monday: Sunny. Highs in the lower 70s. Light and variable winds, becoming southeast around 5 mph in the afternoon. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 40. Light and variable winds. Tuesday Through Wednesday: Mostly clear. Highs in the upper 70s. Lows in the lower 40s. Wednesday Night Through Friday: Clear. Lows in the mid 40s. Highs in the lower 80s. Friday Night: Mostly clear. Lows in the mid 40s. Saturday: Mostly sunny. Highs around 80. | |
| Zone Forecast: Madison County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |