| NWS Forecast for: Warren County Issued by: National Weather Service Saint Louis, MO Last Update: 809 PM CDT Tue Oct 20 2026 | |
| Tonight: Mostly clear this evening, then becoming partly cloudy. Lows in the upper 40s. Southeast winds around 5 mph. Wednesday: Mostly sunny. Highs in the mid 70s. Southwest winds around 5 mph. Wednesday Night: Mostly clear. Lows in the upper 40s. Southwest winds around 5 mph, becoming northwest after midnight. Thursday: Sunny. Highs in the mid 70s. East winds around 5 mph. Thursday Night: Clear. Lows in the upper 40s. East winds around 5 mph in the evening, becoming light and variable. Friday: Sunny. Highs in the mid 70s. Friday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. Saturday And Saturday Night: Partly cloudy. Highs in the upper 70s. Lows in the lower 50s. Sunday And Sunday Night: Mostly cloudy. Highs in the upper 70s. Lows in the lower 50s. Monday And Monday Night: Mostly cloudy. Highs in the lower 70s. Lows in the upper 40s. Tuesday: Mostly sunny. Highs in the upper 60s. | |
| Zone Forecast: Warren County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |