| NWS Forecast for: Washington County Issued by: National Weather Service Saint Louis, MO Last Update: 508 AM CST Wed Nov 12 2025 | |
| Today: Sunny. Highs in the mid 60s. Northwest winds 5 to 10 mph. Tonight: Mostly clear. Lows in the upper 30s. West winds around 5 mph in the evening, becoming light and variable. Thursday: Partly sunny. Highs in the mid 60s. South winds around 5 mph. Thursday Night: Partly cloudy. Not as cool with lows in the lower 50s. South winds around 5 mph. Friday: Sunny. Highs in the mid 70s. Southwest winds 5 to 10 mph. Friday Night And Saturday: Partly cloudy. Lows in the upper 50s. Highs in the upper 70s. Saturday Night: Partly cloudy. Cooler with lows in the mid 40s. Sunday: Sunny, cooler with highs in the mid 60s. Sunday Night: Mostly clear in the evening, then partly cloudy with a slight chance of rain and thunderstorms after midnight. Lows in the lower 40s. Chance of rain 20 percent. Monday: Mostly sunny with a chance of rain with a slight chance of thunderstorms. Highs in the lower 60s. Chance of rain 50 percent. Monday Night: Mostly cloudy with a 50 percent chance of rain. Lows in the lower 40s. Tuesday: Mostly sunny. A slight chance of rain in the morning. Highs in the lower 60s. Chance of rain 20 percent. | |
| Zone Forecast: Washington County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |