| NWS Forecast for: Warren County Issued by: National Weather Service Saint Louis, MO Last Update: 558 PM CDT Sat Aug 22 2026 | |
| Tonight: Mostly clear. Lows in the lower 60s. North winds around 5 mph this evening, becoming light and variable. Sunday: Sunny. Highs in the lower 80s. Northwest winds around 5 mph. Sunday Night: Partly cloudy. Lows around 60. Light and variable winds. Monday: Mostly sunny. Highs in the lower 80s. Southeast winds around 5 mph. Monday Night: Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. East winds around 5 mph. Chance of rain 20 percent. Tuesday: Mostly sunny. Highs in the mid 80s. Tuesday Night: Partly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 20 percent. Wednesday: Partly sunny. Highs in the mid 80s. Wednesday Night Through Friday: Mostly clear. Lows in the mid 60s. Highs in the mid 80s. Friday Night: Partly cloudy. Lows in the mid 60s. Saturday: Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the mid 80s. Chance of rain 20 percent. | |
| Zone Forecast: Warren County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |